Sarstedt GS 212 User manual

Instructions for Use
GS 212 Gas Sampler
SARSTEDT no: 90.170.310

2 3
GS 212 Gas SamplerGS 212 Gas Sampler
8 Collecting a sample 18
8.1 Inputting parameters 18
8.2 Preselecting volumes or duration 18
8.3 Selecting the start time 19
8.4 Conguringow 19
8.5 Starting the measurement 20
8.6 Outputting measurement protocols 21
8.7 Displaying the results on the display 21
8.8 Printing the measurement protocol 22
8.9 Starting/ending the measurement memory 22
8.10 Deleting the measurement memory 22
8.11 After the measurement 22
9 Ports 23
9.1 Remote control 23
9.2 The RS 232 port 23
9.3 Error messages 24
10 Maintenance and servicing 24
10.1 Service address 24
10.2 Cleaning 25
11 Index 26
12 Contamination questionnaire 27
Contents
1 Device data 4
2 Manufacturer address 4
3 Important information 4
3.1 Explanation of symbols 5
3.2 Device-specicsafetyinformation 5
3.3 Obligation of the operator 6
3.4 Obligation of the personnel 6
4 Additional information 7
4.1 Warranty and liability 7
4.2 Decommissioning / disposal 7
5 Device description 8
6 Transport, installation and connection 10
6.1 Scope of delivery 10
6.2 Unpacking 10
6.3 Technical data 11
6.4 Installation 12
6.5 Commissioning 12
6.6 Filling the absorber vessel 12
6.7 Assembling the absorber vessel 12
7 Operation 13
7.1 Operating elements 13
7.2 Switchingthegassampleron 14
7.3 Conguringtheoptions 15
7.4 Conguringthedateandtime 16
7.5 Printing out all saved measurement protocols 17
7.6 Resetting the sample number to “0” 17
7.7 Seal inspection 17

4 5
GS 212 Gas SamplerGS 212 Gas Sampler
1 Device data
(to be completed during installation)
Type:
Serial no:
Place of installation:
Installation date:
Inventory no:
2 Manufacturer address
DESAGA GmbH /SARSTEDT GROUP
IndenZiegelwiesen1-7
D-69168 Wiesloch
Phone: [phone] / 92 88 22
Fax: [phone] / 92 88 92
3 Important information
Please read the safety information in these Instructions for Use before commissioning the device!
Knowledge of the contents of these Instructions for Use is a basic prerequisite to ensure correct
handling and error-free operation of the device.
Please keep the Instructions for Use as a reference for information on your device.
Copyright:
SARSTEDT AG & Co. KG is the copyright holder of these Instructions for Use.
The Instructions for Use are intended only for the operating personnel and for the purchaser of the device.
TheseInstructionsforUsemaynotbereproducedordistributedinwholeorinpartwithoutthewrittenconsent
of SARSTEDT AG & Co.
Violations can have criminal consequences.
Technical modications reserved!
Wiesloch, February 2010
DESAGA GmbH /SARSTEDT GROUP
3.1 Explanation of symbols
TheseInstructionsforUsecontainthefollowingimportantsymbolstoindicatehazardsandoperatingerrors.
This "Important" sign means that in this section:
• Important information is provided.
• An immediate or potentially imminent danger to the life and health of persons is described.
• Information about dangerous situations can be found.
Failure to observe this symbol may result in minor to serious or life-threatening
injuries or damage to property.
Warning of dangerous electrical voltage!
This "info symbol" indicates information on the proper use of the device or general information
to provide a better understanding.
Failure to observe the information can result in the device being operated incorrectly or even
damaged.
Further symbols contain information about the topic depicted by the symbol, for example,
accidentpreventionregulations,powersupply,maintenanceordisposal.
3.2 Device-specicsafetyinformation
This device has been built according to the latest engineering standards and the recognised
safety regulations.
  Takenoteoftherelevantsafetyinformationandguidelinesaswellasoccupationalsafetyand
accident prevention regulations for use in the laboratory.
Nevertheless,risksforusersandthirdpartiesaswellasdamagetothedeviceorothermaterial
assets can still arise during operation.
The device should be used only:
• For its intended use.
  • Inaawlessconditionintermsofsafety.
  Thedevicemaynotbeusedforoperationinareaswherethereisariskofexplosions.
  Duringthedevice’swarrantyperiod,onlythecompanySARSTEDTAG&Co.KGorpersons
authorised by the company SARSTEDT AG & Co. KG may repair it.
  Improperhandlingorrepairswillrenderanywarrantyclaimsvoid.
  ThedeviceisalaboratorydeviceandcomplieswiththeEN61010Europeanstandardfor
laboratory equipment.

6 7
GS 212 Gas SamplerGS 212 Gas Sampler
  Thedeviceisoperatedwithavoltageof230V~,±10%,50-60Hz.
  Asaresult,itisessentialthatthefollowinginformationbeobserved:
  • Nowaterorotherliquidmayenterthedevice.
  • Whenconnectingthedevicetothemainspower,onlythesuppliedpowercordmaybeused.
• The connection cable must be inspected for damage before commissioning.
• Damaged cables may not be used under any circumstances.
  • Thedevicemayonlybeconnectedtothevoltagespeciedonthetypelabel.
• Damaged devices or cables may not be used.
  • Removethepowercordfromtheplugsocketifthedevicewillnotbeusedforalongperiod
oftimeorwhenitiscleaned.
The device may be operated or supplemented only using the accessories described in these
Instructions for Use.
  Werecommendinspectingthedeviceeverytwoyearsinaccordancewiththevalidaccident
prevention regulations (repeat inspection of electrical components).
3.3 Obligation of the operator
Thedevice’soperatorundertakestocommissiononlypersonswhohavereadandunderstoodthese
InstructionsforUsewithusingthedevice.Thisshouldbeconrmedwiththeirsignature.
Checkstoensurepersonnelareawareofworkplacesafetyshouldbecarriedoutatregularintervals.
3.4 Obligation of the personnel
Beforecommissioning,personsworkingwiththedeviceforthersttimeundertaketo:
• Read through these Instructions for Use.
• Complywiththeapplicableaccidentpreventionregulationsandrequirements.
4 Additional information
4.1 Warranty and liability
In general, the “Delivery and Payment Terms” of SARSTEDT AG & Co. KG. apply.
These are noted on the back of the invoice.
Warrantyandliabilityclaimsareexcludediftheyareattributabletooneormoreofthefollowingcauses:
• Improper use of the device.
• Improper installation, commissioning, operation and maintenance of the device.
• Operation of the device in the event of defective safety equipment or improperly installed or inoperable
safety and protective devices.
• Failure to observe the Instructions for Use regarding transport, storage, assembly, commissioning,
operation, maintenance, set-up and disposal.
• Unauthorised changes to the device.
• Disasters caused by foreign bodies and force majeure.
• Improperly performed repairs.
4.2 Decommissioning / Disposal
• The device must be disposed of properly by an approved specialist company or the local
wastedisposalcompany.
  • Substancesusedinconnectionwiththisdevicemustbehandledanddisposedofina
proper and professional manner.
   TheseInstructionsforUseconsistofthefollowingmaterial:
Spine binder and cover sheet are PVC, the rest is made from paper.
This can be separated by removing the spine binder.

8 9
GS 212 Gas SamplerGS 212 Gas Sampler
5 Device description
DESAGA gas samplers are used to:
• Determine the emission and immission of pollutants
• Inspectairqualityintheworkplace
• Examine process gases
• Conduct analyses during laboratory experiments.
Thedevicecontainsallcomponentsnecessarytoconveytheowofthegassample,conguretheowspeed,
measureandcongurethegasvolumeandconditionthegassampletotheambientconditions.
Figure 1: Gas ow chart in the GS 212
Themaximumvalueisdependentontheowresistanceofthesensors,ltersandseparatorsactiveinthegas
path.ThiscoverstheareawhichisincludedinnumerousVDIguidelinesandvariousnationalandinternational
regulations.Withsuitablelters,thegassamplercanalsobeusedtotakedustandaerosolsamples.
Thegasvolumeismeasuredwithadrygasmeter.Thegasleavesitsopenoutletunderambientpressure.
Beforeitentersthegasmeter,itowsthroughacoolerthatafanblowswithambientair.Inthegascooler,the
gastemperature,whichincreasesinthepump,isbroughtbackdowntotheambienttemperature.
Afteritleavesthegasmeter,thegasowsaroundaplatinumresistancethermometer.Thegastemperatureis
measuredwithanaccuracyof0.2°C.
The sample gas is sucked from the
gassamplerthroughthedustlterand
separator,whichcollectthepollutantsto
beidentied.Inthegassampler,itrst
passesthroughanabsorbervesselwhere
corrosive components and moisture are
removed from it through activated carbon
or silica gel. This protects the device’s
components.Allingof300mlofsilicagel
at20°Cabsorbsthemoisturefrom1000l
of gas. Corrosion-resistant glass frits in the
inlet and outlet of the absorber vessel serve
asanadditionaldustlter.
Thegasthenowsthroughapump,
a control valve and a rotameter. This
achievessamplegasowsfrom1to12l/
min.
Bedienungsanleitung Gasprobennehmer GS 212
V 2.0 / 02.2010 Seite D-7
Mikrocomputer
M
M
Messspeicher
Kalender Uhr
RS 232
Schwebekörper
Durchflussmesser
Volumenmessmodul
Temperatur-
sensor
Kühler
Extern
Auslass
Einlass
Absorber
Pumpe
Lüfter
Filter
Regulierventil
Puffer-
batterie
Display und
Folientastatur
Puffer
5. Beschreibung des Gerätes
DESAGA Gasprobenehmer werden eingesetzt zur:
•Bestimmung der Emission und Immission von Schadstoffen
•Prüfung der Luftqualität am Arbeitsplatz
•Untersuchung von Prozessgasen
•Analyse bei Laborexperimenten
Das Gerät enthält in kompakter Bauform alle notwendigen Komponenten zur Förderung des
Gasprobenstromes, zur Einstellung der Strömungsgeschwindigkeit, zur Messung und Einstellung des
Gasvolumens und zur Konditionierung der Gasprobe auf Umgebungsbedingungen.
Das Probengas wird vom
Gasprobenehmer durch Staubfilter und
Abscheider gesaugt, die die zu
bestimmenden Schadstoffe sammeln.
Im Gasprobenehmer passiert es zuerst
ein Absorbergefäß, in dem es durch
Aktivkohle oder Kieselgel von
korrodierenden Komponenten und
Feuchtigkeit befreit wird. Dadurch
werden die Gerätekomponenten
geschützt. Eine Füllung mit 300 ml
Kieselgel nimmt bei 20 °C die
Feuchtigkeit aus 1000 l Gas auf.
Korrosionsbeständige Glasfritten im
Ein- und im Auslass des
Absorbergefäßes dienen als
zusätzliche Staubfilter.
Das Gas strömt danach durch eine
Pumpe, ein Regulierventil und einen
Schwebekörper-Durchflussmesser.
Probengasströme von 0,2 bis 12 l/min
werden erzielt.
Abbildung 1: Gaslaufplan im GS 212
Der maximale Wert hängt vom Strömungswiderstand der Sonden, Filter und Abscheider ab, die in
den Gasweg eingeschaltet sind. Es wird der Bereich abgedeckt, der in zahlreichen VDI-Richtlinien
und in verschiedenen nationalen und internationalen Vorschriften angegeben ist. Mit geeigneten
Filtern kann der Gasprobenehmer auch zur Entnahme von Staub- und Aerosol-Proben eingesetzt
werden.
Das Gasvolumen wird mit einer Trockengasuhr gemessen. Das Gas verlässt ihren offenen Ausgang
unter Umgebungsdruck.
Vor Eintritt in die Gasuhr durchströmt es einen Kühler, den ein Lüfter mit Umgebungsluft anströmt. Im
Gaskühler wird die Gastemperatur, die in der Pumpe erhöht wird, wieder auf den Umgebungswert
gebracht.
Nach dem Verlassen der Gasuhr umströmt das Gas ein Platinwiderstandsthermometer. Die
Gastemperatur wird mit einer Genauigkeit von 0,2 °C gemessen.
The gas volume is measured under ambient conditions. To convert to
• standardconditions(pressure=1013hPa,temperature=0°C)and
• MAKlitres(pressure=1013hPa,temperature=20°C),
thefollowingformulaeapply(forthecalculation,youmustdeterminetheactualairpressureduringthe
measurement yourself!):
Conversion to standard litres: Conversion to MAK litres:
with:
measured volume
air pressure during measurement
temperature during measurement
All measurement data is stored for up to 20 measurements. The measurement protocol contains the date, time,
a6-digitsamplenumber,thevolume,durationandtemperatureinthegasmeteraswellasanyerrormessages.
The measurement protocol can be displayed on the display or via an installed RS 232 port.
Samplesareassignedtothemeasurementprotocolviathesampleserialnumber,whichautomaticallyincreases
upon each sampling process.
A measurement can be started via keyboard, via the built-in remote control socket or at a predetermined time.
The GS 212 Gas Sampler operates at 15 V DC and a maximum of 2.4 A.
Anycarbatterywillsuceforthis.
TheGN230/12powersupplyfromDESAGAallowsoperationona230V50-60Hzsupplynetwork.
Bedienungsanleitung Gasprobennehmer GS 212
Seite D-8 V 2.0 / 02.2010
Das Gasvolumen wird bei Umgebungsbedingungen gemessen. Für die Umrechnung auf:
•Normbedingungen (Druck = 1013 hPa, Temperatur = 0 °C) und auf
•MAK-Liter (Druck = 1013 hPa, Temperatur = 20 °C)
Gelten die folgenden Formeln: (für die Berechnung müssen Sie den tatsächlichen Luftdruck bei der
Messung selbst bestimmen!)
Umrechnung in Normliter:
(
N
V
Normvolumen)
1013273
273
M
M
MN
p
t
V
V
×
+
×=
Umrechnung in MAK-Liter:
(
K
V
MAK Volumen)
1013273
293
M
M
MK
p
t
VV ×
+
×=
mit:
-
M
V
gemessenes Volumen
-
M
p
Luftdruck bei der Messung
-
M
t
Temperatur bei der Messung
Für bis zu 20 Messungen werden sämtliche Messdaten gespeichert. Das Messprotokoll enthält
Datum, Uhrzeit, eine 6-stellige Probenummer, Volumen, Dauer, Temperatur in der Gasuhr und eine
eventuelle Störungsmeldung. Das Messprotokoll kann im Display angezeigt, oder über die
eingebaute RS 232 Schnittstelle ausgegeben werden.
Die Zuordnung Probe - Messprotokoll geschieht über die laufende Probenummer, die automatisch
bei jeder Probenahme erhöht wird.
Eine Messung wird über die Tastatur, über die eingebaute Fernbedienungssbuchse oder zu einer
vorgegebenen Zeit gestartet.
Der Gasprobenehmer GS 212 wird mit einer 12 V Gleichspannung bei maximal 2 A betrieben. Jede
PKW Batterie genügt dazu.
Das Netzteil GN 230/12 von DESAGA erlaubt den Betrieb am 230 V 50-60 Hz Versorgungsnetz, mit
dem Batteriekoffer GB 12 von DESAGA ist ein Einsatz im freien Feld möglich.
Bedienungsanleitung Gasprobennehmer GS 212
Seite D-8 V 2.0 / 02.2010
Das Gasvolumen wird bei Umgebungsbedingungen gemessen. Für die Umrechnung auf:
•Normbedingungen (Druck = 1013 hPa, Temperatur = 0 °C) und auf
•MAK-Liter (Druck = 1013 hPa, Temperatur = 20 °C)
Gelten die folgenden Formeln: (für die Berechnung müssen Sie den tatsächlichen Luftdruck bei der
Messung selbst bestimmen!)
Umrechnung in Normliter:
(
N
V
Normvolumen)
1013273
273 M
M
MN
p
t
VV ×
+
×=
Umrechnung in MAK-Liter:
(
K
V
MAK Volumen)
1013273
293
M
M
MK
p
t
V
V
×
+
×=
mit:
-
M
V
gemessenes Volumen
-
M
p
Luftdruck bei der Messung
-
M
t
Temperatur bei der Messung
Für bis zu 20 Messungen werden sämtliche Messdaten gespeichert. Das Messprotokoll enthält
Datum, Uhrzeit, eine 6-stellige Probenummer, Volumen, Dauer, Temperatur in der Gasuhr und eine
eventuelle Störungsmeldung. Das Messprotokoll kann im Display angezeigt, oder über die
eingebaute RS 232 Schnittstelle ausgegeben werden.
Die Zuordnung Probe - Messprotokoll geschieht über die laufende Probenummer, die automatisch
bei jeder Probenahme erhöht wird.
Eine Messung wird über die Tastatur, über die eingebaute Fernbedienungssbuchse oder zu einer
vorgegebenen Zeit gestartet.
Der Gasprobenehmer GS 212 wird mit einer 12 V Gleichspannung bei maximal 2 A betrieben. Jede
PKW Batterie genügt dazu.
Das Netzteil GN 230/12 von DESAGA erlaubt den Betrieb am 230 V 50-60 Hz Versorgungsnetz, mit
dem Batteriekoffer GB 12 von DESAGA ist ein Einsatz im freien Feld möglich.
Bedienungsanleitung Gasprobennehmer GS 212
Seite D-8 V 2.0 / 02.2010
Das Gasvolumen wird bei Umgebungsbedingungen gemessen. Für die Umrechnung auf:
•Normbedingungen (Druck = 1013 hPa, Temperatur = 0 °C) und auf
•MAK-Liter (Druck = 1013 hPa, Temperatur = 20 °C)
Gelten die folgenden Formeln: (für die Berechnung müssen Sie den tatsächlichen Luftdruck bei der
Messung selbst bestimmen!)
Umrechnung in Normliter:
(
N
V
Normvolumen)
1013273
273 M
M
MN
p
t
VV ×
+
×=
Umrechnung in MAK-Liter:
(
K
V
MAK Volumen)
1013273
293
M
M
MK
p
t
VV ×
+
×=
mit:
-
M
V
gemessenes Volumen
-
M
p
Luftdruck bei der Messung
-
M
t
Temperatur bei der Messung
Für bis zu 20 Messungen werden sämtliche Messdaten gespeichert. Das Messprotokoll enthält
Datum, Uhrzeit, eine 6-stellige Probenummer, Volumen, Dauer, Temperatur in der Gasuhr und eine
eventuelle Störungsmeldung. Das Messprotokoll kann im Display angezeigt, oder über die
eingebaute RS 232 Schnittstelle ausgegeben werden.
Die Zuordnung Probe - Messprotokoll geschieht über die laufende Probenummer, die automatisch
bei jeder Probenahme erhöht wird.
Eine Messung wird über die Tastatur, über die eingebaute Fernbedienungssbuchse oder zu einer
vorgegebenen Zeit gestartet.
Der Gasprobenehmer GS 212 wird mit einer 12 V Gleichspannung bei maximal 2 A betrieben. Jede
PKW Batterie genügt dazu.
Das Netzteil GN 230/12 von DESAGA erlaubt den Betrieb am 230 V 50-60 Hz Versorgungsnetz, mit
dem Batteriekoffer GB 12 von DESAGA ist ein Einsatz im freien Feld möglich.
Display and
membrane
keyboard
Microcomputer
Volume measuring
module
Rotameterow
meter
Buer
Temperature
sensor
Outlet
External
RS 232
Inlet Calendar Clock
Buer
battery
Absorber Measurement
memory
Filter
Fan
Control valve
Pump
Cooler
(VNStandard volume) (VKMAK volume)

10 11
GS 212 Gas SamplerGS 212 Gas Sampler
6 Transport, installation and connection
6.1 Scope of delivery
Standard delivery contents DESAGA no.
1 GS 212 Gas Sampler including sheet metal cover 170310
1 Absorbervessel(unlled)consistingof:
1 Glass vessel
2 Plastic connectors
2 Seals for plastic connectors
2 Glass frits
2 Seals for glass frits
1 Instructions for Use
Accessories / consumables DESAGA no.
1 Absorber vessel GS 212/312 170191
If you have any questions about other DESAGA devices or the DESAGA supply programme, please contact:
DESAGA GmbH / SARSTEDT GROUP
PO Box 1220
51582 Nümbrecht, Germany
Phone: [phone] / 305 0
Fax: [phone] / 305 282
or your local SARSTEDT sales agent.
6.2 Unpacking
• Please check that the packaging and device are undamaged.
• In the event of transport damage, contact the carrier immediately! Observe the reporting
deadline of the individual transport companies (rail, post, parcel services or carrier).
This is only 24 hours in some cases.
• Inspect delivery contents
• Defects and damage must be reported immediately to SARSTEDT AG & Co. KG!
6.3 Technical data
Manufacturer data:
Device: GS 212 Gas Sampler
Manufacturer: DESAGA GmbH /
SARSTEDT GROUP
Address: IndenZiegelwiesen1-7
69168 Wiesloch, Germany
Device data:
Measurements: Width: 410 mm
Depth: 220 mm
Height: 330 mm
Weight: 11 kg
General data:
Electrical connection: Powersupply: 100-240V~0.4A,47–63Hz
Adapter: 15 V DC, max 2.4 A
Fuse: 2 A F
Ambient conditions during operation:
Temperature: +0°Cto+50°C
Relative humidity: max80%,non-condensing
Congurable parameters:
Flowrate: congurablemanually/
mechanically 1 - approx. 12 l/m
Flowquantity: 1 - 9999 l
Flowtime: 1 - 999 min or 10 - 9990 min
Start time: 0:00 - 23:59
Measurement value:
Volume: 1–9999.0l±2%
Duration: 1:00–999:00minor1:00–999:00Dmin
Temperature: -10–+80°C(±0.2°C)
Absorber vessel volume: 350 ml
Data output:
Output: via display and RS 232 port
Report memory: for 20 measurements

12 13
GS 212 Gas SamplerGS 212 Gas Sampler
7 Operation
7.1 Operating elements
Figure 3: Operating elements
Bedienungsanleitung Gasprobennehmer GS 212
V 2.0 / 02.2010 Seite D-11
Aufstellen
•Das Gerät auf eine feste, erschütterungsfreie und ebene Fläche stellen.
•Zu anderen Gegenständen und Geräten ausreichenden Abstand halten.
•Während des Betriebes darf kein Kontakt mit anderen Geräten oder
Gegenständen stattfinden.
Inbetriebnahme
Achtung vor der ersten Inbetriebnahme!
•Vorhandene Netzspannung und angegebene Netzspannung auf
Übereinstimmung prüfen.
•Zulässige Umgebungsbedingungen für das Gerät beachten.
Füllen des Absorbergefäßes
Füllen Sie das Absorbergefäß mit einem geeigneten Absorptionsmedium:
- Orangegel für feuchte Gase
- und/oder Aktivkohle für korrodierende Gase.
Montage des Absorbergefäßes
Kunststoffverschraubung
Drücken Sie die größere der beiden
Dichtungen in die Kunststoffver-
schraubung.
Dichtung der
Kunststoffverschraubung
Drücken Sie die Fritte in die Dichtung
der Fritte (rote Gummidichtung).
Dichtung der Fritte
Setzen Sie die Gummidichtung für die
Fritte mit eingesetzter Fritte in die
Kunststoffverschraubung und drehen
Sie diese auf die Absorberflasche.
Fritte
Wiederholen Sie den Vorgang
gegebenen Falls für die zweite Öffnung
der Absorberflasche.
Abbildung 2: Absorbergefäss
Bedienungsanleitung Gasprobennehmer GS 212
Seite D-12 V 2.0 / 02.2010
7. Bedienung
Bedienungselemente
Arretierung für das
Absorbergefäß
Auslass
Verschlüsse für
Gehäusedeckel
Stativhalter
Lüftungsschlitze
Display
Regler des
Schwebekörper
Durchflussmessers
Folientastatur
Absorbergefäß
Serielle Schnittstelle
RS 232
Buchse für externe
Steuerung
Anschluss für Netzteil
Hauptschalter
Sicherung 2 A F
Einlass
Abb. 3: Bedienungselemente
Plasticscrewconnection
Plastic connection seal
Frit seal
Frit
Inlet
Connectionforpowersupply
Absorber vessel
Rotameterowmeter
Stand holder
Lock for absorber vessel
Outlet Closures for casing
cover
Ventilation slots
Display
Membrane keyboard
RS 232 serial interface
Socket for external
control
Mainswitch
2 A F fuse
6.4 Installation
  • Placethedeviceonarm,vibration-freeandlevelsurface.
  • Maintainasucientdistancetootherobjectsanddevices.
  • Whilethedeviceisinoperation,itmustnotcomeintocontactwithotherdevicesorobjects.
6.5 Commissioning
Please note the following before initial commissioning!
  • Checktoseewhetherthereissucientmainsvoltageandcheckthespeciedmainsvoltage
for conformity.
• Take note of the device’s permissible ambient conditions.
6.6 Filling the absorber vessel
Filltheabsorbervesselwithasuitableabsorptionagent:
• orange gel for moist gases
• and/or activated carbon for corrosive gases.
6.7 Assembling the absorber vessel
• Pressthelargerofthetwosealsintotheplasticconnection.
• Press the frit into the frit seal (red rubber seal).
• Placetherubbersealforthefritwiththefritinsertedintotheplasticconnectionandtwistitontothe
absorber bottle.
• Repeat this process for the second opening on the absorber bottle if necessary.
Figure 2: Absorber vessel

14 15
GS 212 Gas SamplerGS 212 Gas Sampler
7.2 Switchingthegassampleron
Turnthemainswitchon.
Youwillseethefollowingdisplayforafewsecondsduringinitialisation:
V1.7e: EPROM program version number
Thenthemainmenuwillappear.Therstlinewilldisplay:
• the relevant measurement memory (M00, in example no. 0, i.e. no protocol
present)
• the time (11:55) and date (15.11).
The second line contains a list of the various sub-menus. You can access your desired menu item by using the
functionkeys[F1]to[F4]locatedbelow.
The abbreviations mean:
STRT: to start a measurement
PAR: to input measurement parameters
AUS: to output the measurement protocol
OPT: for options
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-13
Switching on the gas sampler
Switch on the main switch. The following display appears for a few seconds during initialization:
D E S A G A
GS 212 = (V1.7e)
V1.7e: EPROM program version number
Then the main menu appears. The first line shows:
M00 11:55/15.11.
STRT PAR OUT OPT
•the corresponding measuring memory (M00, in the example no. 0,
i.e. no report available)
•the time (11:55) and the date (15.11).
The second line lists the different sub-menus. The desired menu item is called with the function
keys [F1] to [F4] below.
The abbreviations have the following meaning:
STRT: for start of measurement;
PAR: for input of measuring parameters
OUT: for output of measuring report
OPT: for options
D E S A G A
GS 212 = (V1.7e)
M00 11:55/15.11.
STRT PAR OUT OPT
Volume:0000.0 L
L MIN °C --
* PARAMETERS
PRE -- -- CON
M00 11:55/15.11.
DISP PRN END DEL
* OPTIONS: *
NUM PRA CLK INST
[F1] L: Show volume PRE:Enter pre-selection
- Duration
- Volume
DISP: Show results NUM: Reset sample
number
[F2] Min: Show duration PRN: Print results PRA: Print all
[F3] °C: Show temperature END: Selection end/start CLK: Set time and date
- Hour
- Minute
- Day
- Month
- Year
[F4] CON: Choose operation
- Time
- Manual
DEL: Delete memory
INST: Installation (options)
- Deka-Min.: yes / no
- Prn>Delete: yes / no
- Autom. print: yes / no
- Texts: German / English
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-13
Switching on the gas sampler
Switch on the main switch. The following display appears for a few seconds during initialization:
D E S A G A
GS 212 = (V1.7e)
V1.7e: EPROM program version number
Then the main menu appears. The first line shows:
M00 11:55/15.11.
STRT PAR OUT OPT
•the corresponding measuring memory (M00, in the example no. 0,
i.e. no report available)
•the time (11:55) and the date (15.11).
The second line lists the different sub-menus. The desired menu item is called with the function
keys [F1] to [F4] below.
The abbreviations have the following meaning:
STRT: for start of measurement;
PAR: for input of measuring parameters
OUT: for output of measuring report
OPT: for options
D E S A G A
GS 212 = (V1.7e)
M00 11:55/15.11.
STRT PAR OUT OPT
Volume:0000.0 L
L MIN °C --
* PARAMETERS
PRE -- -- CON
M00 11:55/15.11.
DISP PRN END DEL
* OPTIONS: *
NUM PRA CLK INST
[F1] L: Show volume PRE:Enter pre-selection
- Duration
- Volume
DISP: Show results NUM: Reset sample
number
[F2] Min: Show duration PRN: Print results PRA: Print all
[F3] °C: Show temperature END: Selection end/start CLK: Set time and date
- Hour
- Minute
- Day
- Month
- Year
[F4] CON: Choose operation
- Time
- Manual
DEL: Delete memory
INST: Installation (options)
- Deka-Min.: yes / no
- Prn>Delete: yes / no
- Autom. print: yes / no
- Texts: German / English
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-13
Switching on the gas sampler
Switch on the main switch. The following display appears for a few seconds during initialization:
D E S A G A
GS 212 = (V1.7e)
V1.7e: EPROM program version number
Then the main menu appears. The first line shows:
M00 11:55/15.11.
STRT PAR OUT OPT
•the corresponding measuring memory (M00, in the example no. 0,
i.e. no report available)
•the time (11:55) and the date (15.11).
The second line lists the different sub-menus. The desired menu item is called with the function
keys [F1] to [F4] below.
The abbreviations have the following meaning:
STRT: for start of measurement;
PAR: for input of measuring parameters
OUT: for output of measuring report
OPT: for options
D E S A G A
GS 212 = (V1.7e)
M00 11:55/15.11.
STRT PAR OUT OPT
Volume:0000.0 L
L MIN °C --
* PARAMETERS
PRE -- -- CON
M00 11:55/15.11.
DISP PRN END DEL
* OPTIONS: *
NUM PRA CLK INST
[F1]
L: Show volume PRE:Enter pre-selection
- Duration
- Volume
DISP: Show results NUM: Reset sample
number
[F2]
Min: Show duration PRN: Print results PRA: Print all
[F3]
°C: Show temperature END: Selection end/start CLK: Set time and date
- Hour
- Minute
- Day
- Month
- Year
[F4]
CON: Choose operation
- Time
- Manual
DEL: Delete memory
INST: Installation (options)
- Deka-Min.: yes / no
- Prn>Delete: yes / no
- Autom. print: yes / no
- Texts: German / English
7.3 Conguringtheoptions
Select [F4] (OPT) to proceed to the Options sub-menu.
There, you can:
• Reset the sample number to “0”,
• print out all measurement protocols,
• set the time and date,
• and carry out the installation.
Thefollowingdisplaywillappear:
NUM: Reset the sample number to “0”
DRA: Print out all measurement protocols
UHR: Set the time and date
INST: Installation
In the “Options” menu, select [F4] (INST) to perform the installation.
Thedefaultsettingneedbeconguredonlyonce;allparameterswillremainsaved.
When“Decamin:yes”isinputted,thesamplingtimewillbecountedupslowerbyafactorof10.Thisallowsfor
longersamplingwithoutanyow.
Maximumsamplingwhenselecting:
• Minutes: 999 min = 16 h 39 min or 9999 l
• Decaminutes: 999 Dmin = 166 h 30 min or 9999 l
It is advised that decaminutes be selected for longer sampling.
Continue using the [\/] key, go back using the [/\] key, cancel using the [ESC] key.
Selecting “Dru → Loesch:yes”willautomaticallydeletethecontentofthemeasurementmemoryafterithas
been output via the RS 232 port = to a serial printer, for example = and thus also recorded.
Ifyouselect“no”,themeasurementprotocolwillremainsaved.
Continue using the [\/] key, go back using the [/\] key, cancel using the [ESC] key.
Operating Instructions Gas Sampler GS 212
Page E-14 V 2.0 / 02.2010
Setting the options
- Choose [F4] (OPT), to access the "options" sub-menu.
- There you can:
•reset the sample number to "0",
•print out all measuring reports,
•set time and date
•and run the installation
- The following display appears on the screen:
* OPTIONS: *
NUM PRA CLK INST
NUM Reset the sample number to "0"
PRA: Print out all measuring reports
CLK: Set time and date
INST: Installation
In the "Options" menu press key [F4] (INST) to run the installation.
This basic setting only needs to be performed once, all parameters remain saved.
* OPTIONS * * OPTIONS *
Deka-Min: no < [ENTER] > Deka-Min: yes
If you enter "Deka-Min: yes" the sampling time counts up slower by factor 10. This enables longer
sampling in case of minor flow rates.
Maximum sampling when selecting:
•Minutes: 999 min = 16 h 39 min or 9999 l
•Deka-minutes: 999 Dmin = 166 h 30 min or 9999 l
It is most to choose Deka-minutes when a longer sampling time is required.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
PRN→DEL: no < [ENTER] > PRN→DEL: yes
If you set "Prn
→ Del: yes", the content of the measuring memory is automatically deleted, after it has
been output (and this recorded) via the RS 232 interface - e.g. to a serial printer.
If you choose "no", the measuring report will remain stored.
Continue with key [\/], back with key [/\], cancel with [ESC].
Operating Instructions Gas Sampler GS 212
Page E-14 V 2.0 / 02.2010
Setting the options
- Choose [F4] (OPT), to access the "options" sub-menu.
- There you can:
•reset the sample number to "0",
•print out all measuring reports,
•set time and date
•and run the installation
- The following display appears on the screen:
* OPTIONS: *
NUM PRA CLK INST
NUM Reset the sample number to "0"
PRA: Print out all measuring reports
CLK: Set time and date
INST: Installation
In the "Options" menu press key [F4] (INST) to run the installation.
This basic setting only needs to be performed once, all parameters remain saved.
* OPTIONS * * OPTIONS *
Deka-Min: no < [ENTER] > Deka-Min: yes
If you enter "Deka-Min: yes" the sampling time counts up slower by factor 10. This enables longer
sampling in case of minor flow rates.
Maximum sampling when selecting:
•Minutes: 999 min = 16 h 39 min or 9999 l
•Deka-minutes: 999 Dmin = 166 h 30 min or 9999 l
It is most to choose Deka-minutes when a longer sampling time is required.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
PRN→DEL: no < [ENTER] > PRN→DEL: yes
If you set "Prn
→ Del: yes", the content of the measuring memory is automatically deleted, after it has
been output (and this recorded) via the RS 232 interface - e.g. to a serial printer.
If you choose "no", the measuring report will remain stored.
Continue with key [\/], back with key [/\], cancel with [ESC].
Operating Instructions Gas Sampler GS 212
Page E-14 V 2.0 / 02.2010
Setting the options
- Choose [F4] (OPT), to access the "options" sub-menu.
- There you can:
•reset the sample number to "0",
•print out all measuring reports,
•set time and date
•and run the installation
- The following display appears on the screen:
* OPTIONS: *
NUM PRA CLK INST
NUM Reset the sample number to "0"
PRA: Print out all measuring reports
CLK: Set time and date
INST: Installation
In the "Options" menu press key [F4] (INST) to run the installation.
This basic setting only needs to be performed once, all parameters remain saved.
* OPTIONS * * OPTIONS *
Deka-Min: no < [ENTER] > Deka-Min: yes
If you enter "Deka-Min: yes" the sampling time counts up slower by factor 10. This enables longer
sampling in case of minor flow rates.
Maximum sampling when selecting:
•Minutes: 999 min = 16 h 39 min or 9999 l
•Deka-minutes: 999 Dmin = 166 h 30 min or 9999 l
It is most to choose Deka-minutes when a longer sampling time is required.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
PRN→DEL: no < [ENTER] > PRN→DEL: yes
If you set "Prn
→ Del: yes", the content of the measuring memory is automatically deleted, after it has
been output (and this recorded) via the RS 232 interface - e.g. to a serial printer.
If you choose "no", the measuring report will remain stored.
Continue with key [\/], back with key [/\], cancel with [ESC].
L: Showvolume
Min: Showduration
°C: Showtemperature
PRE: Enter pre-selection
- duration
- volume
DISP:Showresults
PRN: Print results
END: End/start selection
CON: Select operation
- time
- manual
DEL: Delete memory
NUM: Reset sample no
PRA: Print all
CLK: Conguretimeanddate
- hour
- minute
- day
- month
- year
INST: Installation
(options)
- decamin.: yes / no
- dru>delete: yes / no
- autom. print: yes / no
- texts: German / English

16 17
GS 212 Gas SamplerGS 212 Gas Sampler
Selecting “yes” for this option is advised only if a gas sampler is stationary and a serial data printer or storage
device has been connected to the RS 232 port of the GS 212 Gas Sampler.
Oncemeasurementiscomplete,themeasurementprotocolwillbeautomaticallyoutputif“yes”isselected.
Continue using the [\/] key, go back using the [/\] key, cancel using the [ESC] key.
The menu text can be displayed in either German or English.
Go back using the [/\] key, cancel using the [ESC] key.
7.4 Conguringthetimeanddate
IntheOptionsmenu,select[F3](UHR)tocongurethetimeanddate
on the built-in clock.
      Justlikethemeasurementmemory,theclockisbueredviaabuilt-in
battery.
      Inputthehourvalueofthecurrenttimeandconrmyourinputviathe
[ENTER] key.
      Inputtheminutevalueandconrmyourinputviathe[ENTER]key.
      Inputthedayandconrmyourinputviathe[ENTER]key.
      Inputthemonthandconrmyourinputviathe[ENTER]key.
      Inputtheyearandconrmyourinputviathe[ENTER]key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-15
* OPTIONS * * OPTIONS *
aut.Print: no < [ENTER] > aut.Print: yes
Entering "yes" for this option only makes sense when a gas sampler is installed stationary and a
serial data printer or data storage device is connected to the RS 232 interface of the gas sampler
GS 212.
With "yes" the measuring report is automatically output after each measurement.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
Texts: German < [ENTER] > Texts: English
The menu texts can be displayed in German or English.
Back with key [/\], cancel with [ESC].
Setting time and date
* OPTIONS: *
NUM PRA CLK INST
In the options menu press key [F] (CLK) to set the time
and date of the installed clock.
Just like the measuring memory, the clock is also
buffered by an installed battery.
* OPTIONS: *
Hour: 10
Enter the hour value of the current time and confirm the
input with the [ENTER]-key.
* OPTIONS: *
Minutes: 13
Enter the minute value of the current time and confirm
the input with the [ENTER]-key.
* OPTIONS: *
Day: 13
Enter the day and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Month: 11
Enter the month and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Year: 96
Enter the year and confirm the input with the
[ENTER]-key.
7.5 Printing out all saved measurement protocols
In the Options menu, select [F2] (DRA) to print out all saved
measurement protocols one after the other.
      Ifthereisnoprinterconnected,youwillstillnotreceiveanerror
message.
The printing process can be cancelled at any point using the [ESC]
key.
7.6 Returning the sample number to “0”
In addition to the measurement memory number, each sample is allocated a sample serial number.
Thisnumberwillbeincreasedautomaticallyforeachsamplingprocedure.
In the Options menu, select [F1] (NUM) to reset the sample serial
number.
Press the [ENTER] key to reset the sample number to “0”.
Press the [ESC] key to avoid resetting the sample number.
7.7 Seal inspection
• Turnthedeviceotoinspecttheseal.
• Pressthe[F4]keyandkeepitpressedwhileyouswitchthedeviceonviathemainswitch.
• Checkthesealbyrmlyclosingtheinletofthegassamplerusingyournger.
• Thepumpwillstartautomatically.
• Thedisplaywillshowthetimethattheone-minutetesthasbeenrunning.Thedevicewillsimultaneously
integrate(addup)theamountofairwhichhasowedthroughit.
• Afterashortwhile,oncetheairinthesystemhasbeenextracted,thevolumedisplaymaynolongerchange.
• Thetestwillendautomaticallyafteroneminute.Watchthedisplayduringthisperiod.
• Veryslowlyopentheairinlet.Otherwise,dependingonthevacuumcreatedduringthesealinspection,a
glassfritmayjumpoutofitsholderinthescrewcap.ItcanbereinsertedasdescribedinChapter“3.2Filling
the absorber vessel”.
Operating Instructions Gas Sampler GS 212
Page E-16 V 2.0 / 02.2010
Printing out all saved measuring reports
* OPTIONS *
NUM PRA CLK INST
In the "Options" menu press key [F2] (PRA) to
successively print out all saved measuring reports.
M01 10:31/15.11.
Printing ...
If no printer is connected, no error message will be
displayed.
The printing process can be aborted at any point by
simply pressing the [ESC] key.
Resetting the sample number to "0"
* OPTIONS *
NUM PRA CLK INST
In addition to the number of the measuring memory, each
sample has a successive sample number assigned to it.
This number automatically increases with each sampling.
In the "Options" menu press key [F1] (NUM) to reset the
successive sample number.
SampleNo: 001243
Delete →ENTER
Press the [ENTER] key to reset the sample number to
"0".
Press the [ESC] key to stop resetting the sample number.
Leak testing
- For leak testing switch off the unit.
- Press key [F4] and hold it while you switch on the unit by the main switch.
- Check for leaks by closing the gas sampler inlet tightly with a finger.
- The pump starts automatically.
- The display shows the progressing time (in seconds) of the one minute test. At the same time the
unit integrates (summarizes) the air quantity that has flown through.
- After a short while - after the air has been extracted from the system - the volume display should no
longer change.
- The test stops automatically after one minute. Watch the display over this time.
- Open the air inlet very slowly. Otherwise a fritted-glass filter may pop out of its holder in the screw
cap - caused by the vacuum generated during the leak test. It must be reinserted as described in
chapter "3.2 Filling the absorber vessel".
Operating Instructions Gas Sampler GS 212
Page E-16 V 2.0 / 02.2010
Printing out all saved measuring reports
* OPTIONS *
NUM PRA CLK INST
In the "Options" menu press key [F2] (PRA) to
successively print out all saved measuring reports.
M01 10:31/15.11.
Printing ...
If no printer is connected, no error message will be
displayed.
The printing process can be aborted at any point by
simply pressing the [ESC] key.
Resetting the sample number to "0"
* OPTIONS *
NUM PRA CLK INST
In addition to the number of the measuring memory, each
sample has a successive sample number assigned to it.
This number automatically increases with each sampling.
In the "Options" menu press key [F1] (NUM) to reset the
successive sample number.
SampleNo: 001243
Delete →ENTER
Press the [ENTER] key to reset the sample number to
"0".
Press the [ESC] key to stop resetting the sample number.
Leak testing
- For leak testing switch off the unit.
- Press key [F4] and hold it while you switch on the unit by the main switch.
- Check for leaks by closing the gas sampler inlet tightly with a finger.
- The pump starts automatically.
- The display shows the progressing time (in seconds) of the one minute test. At the same time the
unit integrates (summarizes) the air quantity that has flown through.
- After a short while - after the air has been extracted from the system - the volume display should no
longer change.
- The test stops automatically after one minute. Watch the display over this time.
- Open the air inlet very slowly. Otherwise a fritted-glass filter may pop out of its holder in the screw
cap - caused by the vacuum generated during the leak test. It must be reinserted as described in
chapter "3.2 Filling the absorber vessel".
Operating Instructions Gas Sampler GS 212
Page E-16 V 2.0 / 02.2010
Printing out all saved measuring reports
* OPTIONS *
NUM PRA CLK INST
In the "Options" menu press key [F2] (PRA) to
successively print out all saved measuring reports.
M01 10:31/15.11.
Printing ...
If no printer is connected, no error message will be
displayed.
The printing process can be aborted at any point by
simply pressing the [ESC] key.
Resetting the sample number to "0"
* OPTIONS *
NUM PRA CLK INST
In addition to the number of the measuring memory, each
sample has a successive sample number assigned to it.
This number automatically increases with each sampling.
In the "Options" menu press key [F1] (NUM) to reset the
successive sample number.
SampleNo: 001243
Delete →ENTER
Press the [ENTER] key to reset the sample number to
"0".
Press the [ESC] key to stop resetting the sample number.
Leak testing
- For leak testing switch off the unit.
- Press key [F4] and hold it while you switch on the unit by the main switch.
- Check for leaks by closing the gas sampler inlet tightly with a finger.
- The pump starts automatically.
- The display shows the progressing time (in seconds) of the one minute test. At the same time the
unit integrates (summarizes) the air quantity that has flown through.
- After a short while - after the air has been extracted from the system - the volume display should no
longer change.
- The test stops automatically after one minute. Watch the display over this time.
- Open the air inlet very slowly. Otherwise a fritted-glass filter may pop out of its holder in the screw
cap - caused by the vacuum generated during the leak test. It must be reinserted as described in
chapter "3.2 Filling the absorber vessel".
Operating Instructions Gas Sampler GS 212
Page E-16 V 2.0 / 02.2010
Printing out all saved measuring reports
* OPTIONS *
NUM PRA CLK INST
In the "Options" menu press key [F2] (PRA) to
successively print out all saved measuring reports.
M01 10:31/15.11.
Printing ...
If no printer is connected, no error message will be
displayed.
The printing process can be aborted at any point by
simply pressing the [ESC] key.
Resetting the sample number to "0"
* OPTIONS *
NUM PRA CLK INST
In addition to the number of the measuring memory, each
sample has a successive sample number assigned to it.
This number automatically increases with each sampling.
In the "Options" menu press key [F1] (NUM) to reset the
successive sample number.
SampleNo: 001243
Delete →ENTER
Press the [ENTER] key to reset the sample number to
"0".
Press the [ESC] key to stop resetting the sample number.
Leak testing
- For leak testing switch off the unit.
- Press key [F4] and hold it while you switch on the unit by the main switch.
- Check for leaks by closing the gas sampler inlet tightly with a finger.
- The pump starts automatically.
- The display shows the progressing time (in seconds) of the one minute test. At the same time the
unit integrates (summarizes) the air quantity that has flown through.
- After a short while - after the air has been extracted from the system - the volume display should no
longer change.
- The test stops automatically after one minute. Watch the display over this time.
- Open the air inlet very slowly. Otherwise a fritted-glass filter may pop out of its holder in the screw
cap - caused by the vacuum generated during the leak test. It must be reinserted as described in
chapter "3.2 Filling the absorber vessel".
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-15
* OPTIONS * * OPTIONS *
aut.Print: no < [ENTER] > aut.Print: yes
Entering "yes" for this option only makes sense when a gas sampler is installed stationary and a
serial data printer or data storage device is connected to the RS 232 interface of the gas sampler
GS 212.
With "yes" the measuring report is automatically output after each measurement.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
Texts: German < [ENTER] > Texts: English
The menu texts can be displayed in German or English.
Back with key [/\], cancel with [ESC].
Setting time and date
* OPTIONS: *
NUM PRA CLK INST
In the options menu press key [F] (CLK) to set the time
and date of the installed clock.
Just like the measuring memory, the clock is also
buffered by an installed battery.
* OPTIONS: *
Hour: 10
Enter the hour value of the current time and confirm the
input with the [ENTER]-key.
* OPTIONS: *
Minutes: 13
Enter the minute value of the current time and confirm
the input with the [ENTER]-key.
* OPTIONS: *
Day: 13
Enter the day and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Month: 11
Enter the month and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Year: 96
Enter the year and confirm the input with the
[ENTER]-key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-15
* OPTIONS * * OPTIONS *
aut.Print: no < [ENTER] > aut.Print: yes
Entering "yes" for this option only makes sense when a gas sampler is installed stationary and a
serial data printer or data storage device is connected to the RS 232 interface of the gas sampler
GS 212.
With "yes" the measuring report is automatically output after each measurement.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
Texts: German < [ENTER] > Texts: English
The menu texts can be displayed in German or English.
Back with key [/\], cancel with [ESC].
Setting time and date
* OPTIONS: *
NUM PRA CLK INST
In the options menu press key [F] (CLK) to set the time
and date of the installed clock.
Just like the measuring memory, the clock is also
buffered by an installed battery.
* OPTIONS: *
Hour: 10
Enter the hour value of the current time and confirm the
input with the [ENTER]-key.
* OPTIONS: *
Minutes: 13
Enter the minute value of the current time and confirm
the input with the [ENTER]-key.
* OPTIONS: *
Day: 13
Enter the day and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Month: 11
Enter the month and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Year: 96
Enter the year and confirm the input with the
[ENTER]-key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-15
* OPTIONS * * OPTIONS *
aut.Print: no < [ENTER] > aut.Print: yes
Entering "yes" for this option only makes sense when a gas sampler is installed stationary and a
serial data printer or data storage device is connected to the RS 232 interface of the gas sampler
GS 212.
With "yes" the measuring report is automatically output after each measurement.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
Texts: German < [ENTER] > Texts: English
The menu texts can be displayed in German or English.
Back with key [/\], cancel with [ESC].
Setting time and date
* OPTIONS: *
NUM PRA CLK INST
In the options menu press key [F] (CLK) to set the time
and date of the installed clock.
Just like the measuring memory, the clock is also
buffered by an installed battery.
* OPTIONS: *
Hour: 10
Enter the hour value of the current time and confirm the
input with the [ENTER]-key.
* OPTIONS: *
Minutes: 13
Enter the minute value of the current time and confirm
the input with the [ENTER]-key.
* OPTIONS: *
Day: 13
Enter the day and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Month: 11
Enter the month and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Year: 96
Enter the year and confirm the input with the
[ENTER]-key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-15
* OPTIONS * * OPTIONS *
aut.Print: no < [ENTER] > aut.Print: yes
Entering "yes" for this option only makes sense when a gas sampler is installed stationary and a
serial data printer or data storage device is connected to the RS 232 interface of the gas sampler
GS 212.
With "yes" the measuring report is automatically output after each measurement.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
Texts: German < [ENTER] > Texts: English
The menu texts can be displayed in German or English.
Back with key [/\], cancel with [ESC].
Setting time and date
* OPTIONS: *
NUM PRA CLK INST
In the options menu press key [F] (CLK) to set the time
and date of the installed clock.
Just like the measuring memory, the clock is also
buffered by an installed battery.
* OPTIONS: *
Hour: 10
Enter the hour value of the current time and confirm the
input with the [ENTER]-key.
* OPTIONS: *
Minutes: 13
Enter the minute value of the current time and confirm
the input with the [ENTER]-key.
* OPTIONS: *
Day: 13
Enter the day and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Month: 11
Enter the month and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Year: 96
Enter the year and confirm the input with the
[ENTER]-key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-15
* OPTIONS * * OPTIONS *
aut.Print: no < [ENTER] > aut.Print: yes
Entering "yes" for this option only makes sense when a gas sampler is installed stationary and a
serial data printer or data storage device is connected to the RS 232 interface of the gas sampler
GS 212.
With "yes" the measuring report is automatically output after each measurement.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
Texts: German < [ENTER] > Texts: English
The menu texts can be displayed in German or English.
Back with key [/\], cancel with [ESC].
Setting time and date
* OPTIONS: *
NUM PRA CLK INST
In the options menu press key [F] (CLK) to set the time
and date of the installed clock.
Just like the measuring memory, the clock is also
buffered by an installed battery.
* OPTIONS: *
Hour: 10
Enter the hour value of the current time and confirm the
input with the [ENTER]-key.
* OPTIONS: *
Minutes: 13
Enter the minute value of the current time and confirm
the input with the [ENTER]-key.
* OPTIONS: *
Day: 13
Enter the day and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Month: 11
Enter the month and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Year: 96
Enter the year and confirm the input with the
[ENTER]-key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-15
* OPTIONS * * OPTIONS *
aut.Print: no < [ENTER] > aut.Print: yes
Entering "yes" for this option only makes sense when a gas sampler is installed stationary and a
serial data printer or data storage device is connected to the RS 232 interface of the gas sampler
GS 212.
With "yes" the measuring report is automatically output after each measurement.
Continue with key [\/], back with key [/\], cancel with [ESC].
* OPTIONS * * OPTIONS *
Texts: German < [ENTER] > Texts: English
The menu texts can be displayed in German or English.
Back with key [/\], cancel with [ESC].
Setting time and date
* OPTIONS: *
NUM PRA CLK INST
In the options menu press key [F] (CLK) to set the time
and date of the installed clock.
Just like the measuring memory, the clock is also
buffered by an installed battery.
* OPTIONS: *
Hour: 10
Enter the hour value of the current time and confirm the
input with the [ENTER]-key.
* OPTIONS: *
Minutes: 13
Enter the minute value of the current time and confirm
the input with the [ENTER]-key.
* OPTIONS: *
Day: 13
Enter the day and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Month: 11
Enter the month and confirm the input with the
[ENTER]-key.
* OPTIONS: *
Year: 96
Enter the year and confirm the input with the
[ENTER]-key.

18 19
GS 212 Gas SamplerGS 212 Gas Sampler
8 Collecting a sample
8.1 Inputting parameters
To carry out a measurement, connect the outlet of the sensors or separators to the gas sampler inlet. The
dimensions and the material of the connections are frequently included in the regulations.
Beforesampling,theparameterslistedbelowmustbeinput.
• Volume or duration
• Flowrate(manuallyontheregulatorvalveoftherotameter)and
• Manual start or programmed start time
Theparameterswillremainsavedevenafterthedeviceisswitchedo.Thisallowsyoutostartmeasurements
withthesameparameterswithouthavingtoinputthemonceagain.
In the main menu, select the [F2] (PAR) key to input the parameters for the measurement.
[F1]: VOR: Pre-selection: Volume or duration
      [F4]: BED: Startmanuallyoratspecictime
8.2 Preselecting volume or duration
Youcanchoosebetweenavolume-basedortime-basedmeasurement.
• Inputeitheraspecicvolumeinlitres.
 Oncethisvolumehasbeenreached,themeasurementwillendautomatically.
• Orinputatimeinminutes(ordecaminutes).Oncethetimeisup,themeasurementwillendautomatically.
Thedevicewillalsoturnitselfoifeitherthetimeof999minutes(inthecaseofdecaminutes,999minutesx
10) or the volume of 9999 l is reached.
Select the [F1] (VOR) key for pre-selection.
Continue using the [\/] key Continue using the [\/] key
Input: 1 - 9999 l Input: 1 - 999 min for “decamin” 1 - 999 Dmin =
10 - 9990 min
• Conrmyourinputusingthe[ENTER]key.
• Delete it using the [DEL] key.
• Cancel it using the [ESC] key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-17
Sampling procedure
Input of parameters
Connect the output of the probes or separators with the inlet of the gas sampler to perform a
measurement. The dimensions and materials of connections are very often contained in the
regulations.
The following parameters must be entered before sampling.
•Volume and duration
•Flow rate (manual on rotameter control valve) and
•manual start or programmed start time
The parameter remain saved even after switching off the device. This way you can start
measurements with identical parameters without having to enter these.
- In the main menu press key [F2] (PAR) to enter the parameters for the measurement.
* PARAMETER: *
PRE -- -- CON
[F1]: PRE: Pre-selection Volume or duration
[F4]: CON: Start manually or by time
Pre-selection of volume or duration
You can choose between a volume controlled or a time controlled measurement
•You either enter a certain volume in litres. Once this volume is reached, the measurement will be
stopped automatically.
•Or you enter a time in minutes (or Deka-minutes). The measurement is automatically stopped
when this time has expired In addition, the unit will switch off automatically if either the time of 999
min (in case of Deka-minutes 999 min x 10) or the volume of 9999 l has been reached.
- Press key [F1] (PRE) for pre-selection.
* PARAMETERS * * PARAMETERS *
Select: Volume < [ENTER] > Select: time
Continue with key [\/] Continue with key [\/]
* PARAMETERS * * PARAMETERS *
Volume: 10 l < [ENTER] > Time: 10 min
Input: 1 - 9999 l Input: 1 - 999 min
with "Deka-Min" 1 -999 Dmin
= 10 - 9990 min
Confirm the input with the [ENTER] key
- Delete with the [DEL] key.
- Cancel with the [ESC] key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-17
Sampling procedure
Input of parameters
Connect the output of the probes or separators with the inlet of the gas sampler to perform a
measurement. The dimensions and materials of connections are very often contained in the
regulations.
The following parameters must be entered before sampling.
•Volume and duration
•Flow rate (manual on rotameter control valve) and
•manual start or programmed start time
The parameter remain saved even after switching off the device. This way you can start
measurements with identical parameters without having to enter these.
- In the main menu press key [F2] (PAR) to enter the parameters for the measurement.
* PARAMETER: *
PRE -- -- CON
[F1]: PRE: Pre-selection Volume or duration
[F4]: CON: Start manually or by time
Pre-selection of volume or duration
You can choose between a volume controlled or a time controlled measurement
•You either enter a certain volume in litres. Once this volume is reached, the measurement will be
stopped automatically.
•Or you enter a time in minutes (or Deka-minutes). The measurement is automatically stopped
when this time has expired In addition, the unit will switch off automatically if either the time of 999
min (in case of Deka-minutes 999 min x 10) or the volume of 9999 l has been reached.
- Press key [F1] (PRE) for pre-selection.
* PARAMETERS * * PARAMETERS *
Select: Volume < [ENTER] > Select: time
Continue with key [\/] Continue with key [\/]
* PARAMETERS * * PARAMETERS *
Volume: 10 l < [ENTER] > Time: 10 min
Input: 1 - 9999 l Input: 1 - 999 min
with "Deka-Min" 1 -999 Dmin
= 10 - 9990 min
Confirm the input with the [ENTER] key
- Delete with the [DEL] key.
- Cancel with the [ESC] key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-17
Sampling procedure
Input of parameters
Connect the output of the probes or separators with the inlet of the gas sampler to perform a
measurement. The dimensions and materials of connections are very often contained in the
regulations.
The following parameters must be entered before sampling.
•Volume and duration
•Flow rate (manual on rotameter control valve) and
•manual start or programmed start time
The parameter remain saved even after switching off the device. This way you can start
measurements with identical parameters without having to enter these.
- In the main menu press key [F2] (PAR) to enter the parameters for the measurement.
* PARAMETER: *
PRE -- -- CON
[F1]: PRE: Pre-selection Volume or duration
[F4]: CON: Start manually or by time
Pre-selection of volume or duration
You can choose between a volume controlled or a time controlled measurement
•You either enter a certain volume in litres. Once this volume is reached, the measurement will be
stopped automatically.
•Or you enter a time in minutes (or Deka-minutes). The measurement is automatically stopped
when this time has expired In addition, the unit will switch off automatically if either the time of 999
min (in case of Deka-minutes 999 min x 10) or the volume of 9999 l has been reached.
- Press key [F1] (PRE) for pre-selection.
* PARAMETERS * * PARAMETERS *
Select: Volume < [ENTER] > Select: time
Continue with key [\/] Continue with key [\/]
* PARAMETERS * * PARAMETERS *
Volume: 10 l < [ENTER] > Time: 10 min
Input: 1 - 9999 l Input: 1 - 999 min
with "Deka-Min" 1 -999 Dmin
= 10 - 9990 min
Confirm the input with the [ENTER] key
- Delete with the [DEL] key.
- Cancel with the [ESC] key.
8.3 Selecting the start time
You can start the measurement either:
• manually by pressing the [F1] key (STRT in the main menu)
• or at a pre-programmed time.
To select the start time, press the [F3] (BED) key in the “Parameters” menu.
Go back using the [ESC] key Continue using the [\/] key
Input: 0 - 23
      Conrmusing[ENTER]
Go back using the [ESC] key Continue using the [\/] key
Input: 0 - 59
           Conrmusing[ENTER]
To have the measurement automatically start at 11:55, you must press the [F1] key for STRT in the
main menu.
Thefollowingmessagewillthenappear:
8.4 Conguringow
• Closetheregulatorvalveoftherotameterbyturningitclockwise.
• Onceyouhavestartedyourmeasurement,watchtherotameterandwashbottles.
• Congurethedesiredowrateusingtheregulatorvalve.
• Thechartbesidetherotameterwillindicatetheowvalue.
Operating Instructions Gas Sampler GS 212
Page E-18 V 2.0 / 02.2010
Choosing the start time
The measurement can be started either:
•manually by pressing key [F1] (STRT) in the main menu
•or at a pre-programmed time.
- For choosing the start time press key [F3] (OPR) in the "Parameter" menu..
* PARAMETERS * * PARAMETERS *
Start: Manual < [ENTER] > Start: Clock
Back with key [ESC] Continue with key [\/]
* PARAMETERS * Input: 0 - 23
Hours: 11Confirm with [ENTER]
Back with key [ESC] Continue with key [\/]
* PARAMETERS * Input: 0 - 59
Minutes: 55Confirm with [ENTER]
For the measurement to be started automatically at 11.55 you must press key [F1] (STRT) in the
main menu.
The following message appears:
M00 08:12/29.10.
→Start at 11:55
Adjusting the flow
Close the rotameter control valve by turning it clockwise.
After stating the measurement watch the flow meter and the washing flasks.
Set the desired flow rate by the control valve.
The scale next to the rotameter informs about the flow value.
Operating Instructions Gas Sampler GS 212
Page E-18 V 2.0 / 02.2010
Choosing the start time
The measurement can be started either:
•manually by pressing key [F1] (STRT) in the main menu
•or at a pre-programmed time.
- For choosing the start time press key [F3] (OPR) in the "Parameter" menu..
* PARAMETERS * * PARAMETERS *
Start: Manual < [ENTER] > Start: Clock
Back with key [ESC] Continue with key [\/]
* PARAMETERS * Input: 0 - 23
Hours: 11
Confirm with [ENTER]
Back with key [ESC] Continue with key [\/]
* PARAMETERS * Input: 0 - 59
Minutes: 55Confirm with [ENTER]
For the measurement to be started automatically at 11.55 you must press key [F1] (STRT) in the
main menu.
The following message appears:
M00 08:12/29.10.
→Start at 11:55
Adjusting the flow
Close the rotameter control valve by turning it clockwise.
After stating the measurement watch the flow meter and the washing flasks.
Set the desired flow rate by the control valve.
The scale next to the rotameter informs about the flow value.
Operating Instructions Gas Sampler GS 212
Page E-18 V 2.0 / 02.2010
Choosing the start time
The measurement can be started either:
•manually by pressing key [F1] (STRT) in the main menu
•or at a pre-programmed time.
- For choosing the start time press key [F3] (OPR) in the "Parameter" menu..
* PARAMETERS * * PARAMETERS *
Start: Manual < [ENTER] > Start: Clock
Back with key [ESC] Continue with key [\/]
* PARAMETERS * Input: 0 - 23
Hours: 11Confirm with [ENTER]
Back with key [ESC] Continue with key [\/]
* PARAMETERS * Input: 0 - 59
Minutes: 55
Confirm with [ENTER]
For the measurement to be started automatically at 11.55 you must press key [F1] (STRT) in the
main menu.
The following message appears:
M00 08:12/29.10.
→Start at 11:55
Adjusting the flow
Close the rotameter control valve by turning it clockwise.
After stating the measurement watch the flow meter and the washing flasks.
Set the desired flow rate by the control valve.
The scale next to the rotameter informs about the flow value.
Operating Instructions Gas Sampler GS 212
Page E-18 V 2.0 / 02.2010
Choosing the start time
The measurement can be started either:
•manually by pressing key [F1] (STRT) in the main menu
•or at a pre-programmed time.
- For choosing the start time press key [F3] (OPR) in the "Parameter" menu..
* PARAMETERS * * PARAMETERS *
Start: Manual < [ENTER] > Start: Clock
Back with key [ESC] Continue with key [\/]
* PARAMETERS * Input: 0 - 23
Hours: 11Confirm with [ENTER]
Back with key [ESC] Continue with key [\/]
* PARAMETERS * Input: 0 - 59
Minutes: 55Confirm with [ENTER]
For the measurement to be started automatically at 11.55 you must press key [F1] (STRT) in the
main menu.
The following message appears:
M00 08:12/29.10.
→Start at 11:55
Adjusting the flow
Close the rotameter control valve by turning it clockwise.
After stating the measurement watch the flow meter and the washing flasks.
Set the desired flow rate by the control valve.
The scale next to the rotameter informs about the flow value.

20 21
GS 212 Gas SamplerGS 212 Gas Sampler
8.5 Starting the measurement
Start sampling in the main menu using the [F1] [STRT) key.
Iftheentirememoryislledwithmeasurementprotocols,youwillnotbeabletostartameasurement.
Dependingonthepre-set“Start:Manual”or“Start:Time”parameters,themeasurementwilleitherstart
immediatelyorthefollowingmessagewillappear:
     Inthisexample,themeasurementwouldstartat11:55.
Ifmanualstarthasbeenpre-selected,themeasurementwillstartimmediatelyandoneofthefollowingthree
displayswillappear(dependingonwhetheryouhaveselected“pre-selection”,“volume”or“duration”,“minutes”
or “decaminutes”):
     Duringthemeasurement,thetimeandvolumewillbeautomaticallycounted.
You can also display the parameters volume, duration and temperature using
the [F1] - [F3] function keys.
[F1]: L: Display of collected volume
[F2]: MIN: Display of elapsed time
[F3]: °C: Displayoftemperatureingasmeter
[ESC]: Cancel measurement
Whilepressingoneoftheotherbuttons,thepre-setvolumeordurationwillbedisplayed.
Oncethespeciedvolumeorspeciedtimehasbeenreached,thepumpwillswitchoandthemeasurement
willend.
Pressingthe[ESC]keywillstopthemeasurementprematurely.
Thenthefollowingmessagewillappear:
[F1]: END: End the measurement
[F4]: CONT: Continue the measurement
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-19
Starting the measurement
Start sampling by pressing key [F1] (STRT) in the main menu.
No further measurements can be started when the memory is filled with measuring reports.
Depending on the parameter pre-selection "Start:* Adjust according to device work load. Manual" or
"Start: Time" the measurement will start immediately or the following message will appear:
M00 08:12/29.10.
In this example the measurement would start at 11:55.
→Start at 11:55
If manual starting was pre-selected, the measurement will start immediately and one of the following
three displays will appear (depending on whether you have chosen "Pre-selection", "Volume" or
"Duration", "Minutes" or "Deka-minutes").
Volume: 0000.2l Time:000:01 min Time:000:00Dmin
L MIN °C -- L MIN °C -- L MIN °C --
Time:000:01 min During the measurement both the time and the volume will
automatically be counted.
L MIN °C -- Apart from this, you can at any time view the parameters "Volume",
"Duration" and "Temperature" by simply pressing the function keys
[F1] - [F3].
[F1]: L: Displays the already collected volume
[F2]: MIN: Displays the time that has already elapsed
[F3]: °C: Displays the temperature in the gas meter
[ESC]: Aborts the measurement
Pressing any other key displays the specified volume or duration.
Once the specified volume or time has been reached, the pump will switch off, the measurement is
finished.
By pressing the [ESC] key the measurement is prematurely stopped.
The following message finally appears:
Time:004:15 min [F1]: END: Finishing the measurement
END -- -- CONT [F4]: CONT: Continues the measurement
8.6 Issuing the measurement protocol
In the main menu, select the [F3] (OFF) key to output the measurement protocol.
Thiswilldirectyoutoasub-menu.
Thismenuwillallowyoutodothefollowingwiththeresultsofyourmeasurements:
• havethemshownonthedisplay,
• or output them via the installed RS 232 port (print out protocol).
You can select measurement memory M01 - M20 via the [\/] and [/\] cursor keys.
Youcanalsousethe[F3]keytojumpbetweenthestartandtheendofthemeasurementmemory.
8.7 Displaying the results on the display
In the previously selected sub-menu for displaying or printing measurement protocols, select the [F1]
(DISP) key to view the measurement protocol on the display.
Display example (scroll using the [\/] or [/\]) keys:
Average temperature over the entire measurement period.
Return to the “Output” menu using the [ESC] key.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-19
Starting the measurement
Start sampling by pressing key [F1] (STRT) in the main menu.
No further measurements can be started when the memory is filled with measuring reports.
Depending on the parameter pre-selection "Start:* Adjust according to device work load. Manual" or
"Start: Time" the measurement will start immediately or the following message will appear:
M00 08:12/29.10. In this example the measurement would start at 11:55.
→Start at 11:55
If manual starting was pre-selected, the measurement will start immediately and one of the following
three displays will appear (depending on whether you have chosen "Pre-selection", "Volume" or
"Duration", "Minutes" or "Deka-minutes").
Volume: 0000.2l Time:000:01 min Time:000:00Dmin
L MIN °C -- L MIN °C -- L MIN °C --
Time:000:01 min During the measurement both the time and the volume will
automatically be counted.
L MIN °C -- Apart from this, you can at any time view the parameters "Volume",
"Duration" and "Temperature" by simply pressing the function keys
[F1] - [F3].
[F1]: L: Displays the already collected volume
[F2]: MIN: Displays the time that has already elapsed
[F3]: °C: Displays the temperature in the gas meter
[ESC]: Aborts the measurement
Pressing any other key displays the specified volume or duration.
Once the specified volume or time has been reached, the pump will switch off, the measurement is
finished.
By pressing the [ESC] key the measurement is prematurely stopped.
The following message finally appears:
Time:004:15 min [F1]: END: Finishing the measurement
END -- -- CONT [F4]: CONT: Continues the measurement
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-19
Starting the measurement
Start sampling by pressing key [F1] (STRT) in the main menu.
No further measurements can be started when the memory is filled with measuring reports.
Depending on the parameter pre-selection "Start:* Adjust according to device work load. Manual" or
"Start: Time" the measurement will start immediately or the following message will appear:
M00 08:12/29.10. In this example the measurement would start at 11:55.
→Start at 11:55
If manual starting was pre-selected, the measurement will start immediately and one of the following
three displays will appear (depending on whether you have chosen "Pre-selection", "Volume" or
"Duration", "Minutes" or "Deka-minutes").
Volume: 0000.2l Time:000:01 min Time:000:00Dmin
L MIN °C -- L MIN °C -- L MIN °C --
Time:000:01 min
During the measurement both the time and the volume will
automatically be counted.
L MIN °C --
Apart from this, you can at any time view the parameters "Volume",
"Duration" and "Temperature" by simply pressing the function keys
[F1] - [F3].
[F1]: L: Displays the already collected volume
[F2]: MIN: Displays the time that has already elapsed
[F3]: °C: Displays the temperature in the gas meter
[ESC]: Aborts the measurement
Pressing any other key displays the specified volume or duration.
Once the specified volume or time has been reached, the pump will switch off, the measurement is
finished.
By pressing the [ESC] key the measurement is prematurely stopped.
The following message finally appears:
Time:004:15 min [F1]: END: Finishing the measurement
END -- -- CONT [F4]: CONT: Continues the measurement
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-19
Starting the measurement
Start sampling by pressing key [F1] (STRT) in the main menu.
No further measurements can be started when the memory is filled with measuring reports.
Depending on the parameter pre-selection "Start:* Adjust according to device work load. Manual" or
"Start: Time" the measurement will start immediately or the following message will appear:
M00 08:12/29.10. In this example the measurement would start at 11:55.
→Start at 11:55
If manual starting was pre-selected, the measurement will start immediately and one of the following
three displays will appear (depending on whether you have chosen "Pre-selection", "Volume" or
"Duration", "Minutes" or "Deka-minutes").
Volume: 0000.2l Time:000:01 min Time:000:00Dmin
L MIN °C -- L MIN °C -- L MIN °C --
Time:000:01 min During the measurement both the time and the volume will
automatically be counted.
L MIN °C -- Apart from this, you can at any time view the parameters "Volume",
"Duration" and "Temperature" by simply pressing the function keys
[F1] - [F3].
[F1]: L: Displays the already collected volume
[F2]: MIN: Displays the time that has already elapsed
[F3]: °C: Displays the temperature in the gas meter
[ESC]: Aborts the measurement
Pressing any other key displays the specified volume or duration.
Once the specified volume or time has been reached, the pump will switch off, the measurement is
finished.
By pressing the [ESC] key the measurement is prematurely stopped.
The following message finally appears:
Time:004:15 min
[F1]: END: Finishing the measurement
END -- -- CONT
[F4]: CONT: Continues the measurement
Operating Instructions Gas Sampler GS 212
Page E-20 V 2.0 / 02.2010
Output of measuring reports
In the main menu press key [F3] (OUT) to output the measuring reports.
This brings you to a sub-menu.
In this menu you can display the results of your measurements
•on the screen,
•or print them out via the installed RS 232 interface (report printout).
The measuring memory M01 - M20 is selected with the cursor keys [\/] and [/\].
You can also use the key [F3] to jump between beginning and end of the measuring memory.
On-screen display of results
In the previously selected sub-menu for displaying or printing the measuring report choose key [F1]
(DISP) to view the measuring report.
Example of the on-screen display (leaf through with keys [\/] and [/\]):
M00 10:35/10.09.
SampleNo.: 000047
-- Preselect: --
Time: 2 min
-- Measures: --
Volume:0023.1 L
Temp.: 26.9 °C
Temperature averaged over the entire
measuring period.
-- Remark: --
Aborted at 10.32
after 001:56 min
- Press the [ESC]-key to return to the "Output" menu.

22 23
GS 212 Gas SamplerGS 212 Gas Sampler
8.8 Printing the measurement protocol
Using the [F2] (DRU) key, you can output the measurement protocol to a serial data printer or a computer in the
“Output” menu via the built-in RS 232 port (if you are using a computer, you must use a terminal program!). The
dataoutputviatheportwillbethesameasthedatashownonthedisplay.
8.9 Start/end of measurement memory
Youcanusethe[F3](ANF/END)keytojumpbetweenthestartandtheendofthemeasurementmemory.
8.10 Deleting the measurement memory
Inthe“Output”menu,youcanusethe[F4](LOE)keytodeletethecontentofthemeasurementmemoryshown
on the display.
Caution:Nosubsequentquerywillappear;assoonasyoupressthe[F4]button,thecontentofthe
measurementmemorywillbedeleted!
Iftheentirememoryislledwithmeasurementprotocols,youwillnotbeabletostartameasurement.
8.11 After the measurement
Remove the collection vessel and seal it carefully.
Mark the vessel clearly and note the marking in the protocol.
Store the vessel carefully for transport and analysis.
Turnthemainswitchoanddisconnectthesamplingdevicefromthepowersupply.
Checktoseewhethertheabsorptionmediuminthevesselisdepletedandreplenishit.
9 Ports
9.1 Remote control
Thesocket(5:“EXTERNAL”)allowsremotecontrolviathefollowingsignals:
1: Start pull to ground for 100 ms.
2: Ground
3: Stop pull to ground for 100 ms.
4: Pause pull to ground for the duration of the pause.
5:  On  pulltogroundwhileon.
6: Status + 5V during sampling
7: + 5V maximum load 10 mA.
8: n.c.
9.2 The RS 232 port
TheGS212GasSamplerisequippedwithanRS232C-compatibleserialport.ThecorrespondingD-sub
socket is located on the front of the device.
ThisallowstheGS212toconnecttoaPCorserialdataprinter.
(If you are using a computer, you must use a terminal program!)
Thedataistransferredviathefollowingcables:
Pin 1: DCD
Pin 2: RXD
Pin 3: TXD
Pin 4: DTR
Pin 5: GND
Pin 6: DSR
Pin 7: RTS
Pin 8: CTS
Pin 9: n.c.
ThedataistransferredinanASCIIformatwiththefollowingprotocol:
Data rate: 9600 Baud
Parity: no
Start bits: 1
Stop bits: 1
Code: 8 bits/character
Adatawordthereforelooksasfollows:
Bit1=lowestvalue
EachprintlinenisheswithCR+LF.
Operating Instructions Gas Sampler GS 212
Page E-22 V 2.0 / 02.2010
Interfaces
Remote control
The socket (5: "EXTERNAL") enables remote controlling with the following signals:
1: Start for 100 ms after drawing to ground.
2: Ground
3: Stop for 100 ms after drawing to ground.
4: Pause for the duration of the pause drawing to ground
5: On for the duration of the On-phase drawing to ground
6: Status + 5V during sampling.
7: + 5V maximum load 10 mA.
8: n.c.
The RS 232 interface
The gas sampler GS 212 is equipped with a RS 232 C compatible serial interface. The associated D-
Sub socket is located on the front of the unit.
With this interface the GS 212 can be connected to a PC or a serial data printer.
(If you use a computer you must use a terminal program!)
Data transfer takes place through the following lines:
Pin 1: DCD
Pin 2: RXD
Pin 3: TXD
Pin 4: DTR
Pin 5: GND
Pin 6: DSR
Pin 7: RTS
Pin 8: CTS
Pin 9: n.c.
Data are transferred in ASCII format with the following protocol:
Baud rate 9600 baud
Parity: no
Start bit: 1
Stop bit: 1
Code: 8 bit/character
A data word therefore appears as follows:
Start Bit 1 to Bit 8 Stop
Bit 1 = lowest valence
Each printed line is ended with CR + LF

24 25
GS 212 Gas SamplerGS 212 Gas Sampler
9.3 Error messages
Thefollowingerrormessagescanappearonthedisplayorbeprintedoutinthemeasurementprotocol:
The following can appear on the display:
     Thiserrorwillappeariftheoperatingvoltageduringameasurementistoolow.
Check the charge level on the connected battery.
     Thiswillappearafter7yearsattheearliest,whenthebuilt-inbatterybecomes
tooweaktosavethedata.
Please send the device to DESAGA GmbH, Wiesloch, to have the battery
exchanged.
The following is printed in the measurement protocol:
     Cancelled:Themeasurementwascancelledwiththe[ESC]keyorviaremote
control (after 1:15 minutes of sampling time).
     Failed:Therewasamainsfailureduringthemeasurement(after1:20min).
10.2 Cleaning
It is essential that the device be switched o before cleaning.
Risk of contamination!
Be sure to observe the instructions for cleaning the device. Careless cleaning or failure to
observe the regulations can result in malfunctions!
• Disinfect the device before cleaning it.
  • Disconnecttheappliancefromthepowersupplyforcleaning.
  • Donotallowanyliquidtoenterthedeviceduringcleaning.
  • Cleanpartsofthecasewithadampcloth.
   Youcanuseasoapsolution.Carefullydrythedeviceafterwards.
  • Neveruseabrasivecleaners,aggressivecleanersorsolvents(withtheexceptionofalcohol).
• If the device is very dirty, isopropyl alcohol can be used.
Example of a disinfectant:
Use an aqueous solution to disinfect the device:
  25gethanol96%,35g1-propanol,0.1gglyoxalad100gaquadest.Applythesolution
andallowafewminutesforittotakeeectdependingontheextentofthecontamination.If
necessary,moistenrepeatedlywiththedisinfectantsolution.
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-23
Error messages
The following error messages may be displayed and / or printed out in the measuring report.
Displayed on-screen:
Supply voltage This error message appears if the operating voltage
is too low ...
is too low during a measurement.
Please check the charge condition of the connected
battery
Battery This error message appears at the earliest after 7 years, when the
weak installed battery becomes to weak for saving the data.
Please return the unit to DESAGA GmbH, Wiesloch, to have the battery replaced.
Printed out in measuring report:
-- Remark: -- Cancel: The measurement was cancelled with the [ESC] key or
Aborted at 15:29 via the remote control (after 1:15 min sampling).
after 001:15 min
-- Remark: -- Failure: A power failure occurred during the measurement
Failure at 15:00 (after 1:20 min)
after 001:20 min
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-23
Error messages
The following error messages may be displayed and / or printed out in the measuring report.
Displayed on-screen:
Supply voltage This error message appears if the operating voltage
is too low ... is too low during a measurement.
Please check the charge condition of the connected
battery
Battery
This error message appears at the earliest after 7 years, when the
weak
installed battery becomes to weak for saving the data.
Please return the unit to DESAGA GmbH, Wiesloch, to have the battery replaced.
Printed out in measuring report:
-- Remark: -- Cancel: The measurement was cancelled with the [ESC] key or
Aborted at 15:29 via the remote control (after 1:15 min sampling).
after 001:15 min
-- Remark: -- Failure: A power failure occurred during the measurement
Failure at 15:00 (after 1:20 min)
after 001:20 min
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-23
Error messages
The following error messages may be displayed and / or printed out in the measuring report.
Displayed on-screen:
Supply voltage This error message appears if the operating voltage
is too low ... is too low during a measurement.
Please check the charge condition of the connected
battery
Battery This error message appears at the earliest after 7 years, when the
weak installed battery becomes to weak for saving the data.
Please return the unit to DESAGA GmbH, Wiesloch, to have the battery replaced.
Printed out in measuring report:
-- Remark: --
Cancel: The measurement was cancelled with the [ESC] key or
Aborted at 15:29
via the remote control (after 1:15 min sampling).
after 001:15 min
-- Remark: -- Failure: A power failure occurred during the measurement
Failure at 15:00 (after 1:20 min)
after 001:20 min
Operating Instructions Gas Sampler GS 212
V 2.0 / 02.2010 Page E-23
Error messages
The following error messages may be displayed and / or printed out in the measuring report.
Displayed on-screen:
Supply voltage This error message appears if the operating voltage
is too low ... is too low during a measurement.
Please check the charge condition of the connected
battery
Battery This error message appears at the earliest after 7 years, when the
weak installed battery becomes to weak for saving the data.
Please return the unit to DESAGA GmbH, Wiesloch, to have the battery replaced.
Printed out in measuring report:
-- Remark: -- Cancel: The measurement was cancelled with the [ESC] key or
Aborted at 15:29 via the remote control (after 1:15 min sampling).
after 001:15 min
-- Remark: --
Failure: A power failure occurred during the measurement
Failure at 15:00
(after 1:20 min)
after 001:20 min
10 Maintenance and servicing
10.1 Service address
Ifyouhaveanyquestionsorproblemswiththedevice,pleasecontacttheservicedepartmentofDESAGA
GmbH / SARSTEDT GROUP in Wiesloch or your local SARSTEDT sales agency. Please make sure to provide
the serial number of the device.
  • Fillinthecontaminationquestionnaireandsenditwiththedevicewithacopyofthedelivery
noteandbriefdescriptionsoftheproblemswhichhavearisen.
• The contamination questionnaire serves to ensure the safety of our Service employees.
   Pleasethereforellthisinwiththeutmostcare!
Recommendation:
Have your device serviced by the manufacturer at regular intervals.
We recommend having it serviced once a year.
DESAGA GmbH /SARSTEDT GROUP
Service Department
In den Ziegelwiesen 1-7
D-69168 Wiesloch
Phone: [phone] / 92 88 65
[email protected]

26 27
GS 212 Gas SamplerGS 212 Gas Sampler
11 Index
Absorber bottle 11
Operating voltage 23
Data transfer 22
Disinfectants 24
Seal inspection 16
Frits 11
Charge level 23
MAK litres 8
Measurement memory 21
Standard conditions 8
Port 22
Sensors 17
VDI guidelines 7
Contamination questionnaire for repair orders
Dear Customer,
forsafetyreasons,weaskyoutoanswerallthefollowingquestionsbeforesubmittingyourdeviceto
DESAGA GMBH /SARSTEDT GROUP Wiesloch for maintenance, repair or return.
Company:
City:
Name:
Device/article:
Department:
Street:
Phone No.:
SN:
❑ The device is free of harmful substances
❑ Thedevicecameintocontactwiththefollowingharmfulsubstances
Substance class Substance name
❑Toxic substances
❑Corrosive substances
❑Explosive substances
❑Radioactive material
❑Contagious substances
❑Flammable substances
❑Other dangerous substances
❑Thedevicehasbeendecontaminatedinaccordancewiththelegalregulations
(Please tick the appropriate box!)
Description of the decontamination carried out
Date: Signature:

GS 212 Gas Sampler
BA073-0323 Technicalmodicationsreserved
SARSTEDT AG & Co. KG
P.O. Box 12 20
D-51582 Nümbrecht
Phone: [phone]
Fax: [phone]
[email protected]
www.sarstedt.com