50
WK
Handheld instrument
Display / ControllerLogger / EASYBusTransmitterTemperature probeAlarm / Protection
Air oxygen measuring device
Doubledisplayforoxygenandtemperature
Measuredunits:O2-concentrationand
O2-partialpressure
Alarmdetectorwithintegratedhorn
Automatictemperaturecompensation
Min./Max.valuememory,Holdfunction
Serialinterface,devicecanbeconnected
tobussystem(upto5devicescanbecon-
nectedtoonePCinterface)
Batteryandd.c.operation
Widerangeofapplication
Mostsimplecalibrationinatmosphericair
GMH 3691 Sensornotincluded-pleaseorderseparately!
Residual oxygen meas. device
forquickandcost-effectivemeasure-
mentofresidualoxygen
GMH 3691 GOG
Application:
Essentially there, where delicate products are
conservedbylow-oxygenatmospheres(protec-
tivegas),thisinstrumentissuitabletocheckthe
residualoxygencontent.
packaging industry
food industry
Specication:(summary)
Meas. range:0,0...100,0%O2(O2-concentration)
Accuracy:(whole system - during carefully
calibration and measuring)
1-point-calibration: ±0.2%O2±1digit
(forconcentrations<10%)
2-point-calibration: ±0.1%O2±1digit
(forconcentrations<10%)
Oxygen probe: Oxygen-partialpressureprobe,
builtinexternalsensorhousing
Response time: T90<10sec.,dependingon
temperature
Operation life: warrantyforsensorelement
12months(appropriateappli-
cationandambientpressure)
Working pressure:0.5to2.0barabs.
Over-/under-pressure:max.0,25bar
Working temperature:0to50°C(sensor),
-20to50°C(device)
Relative humidity: 0to+95%RH
(non-condensing)
Storage temperature: -15to60°C(sensor),
-20to70°C(device)
Power supply:9VbatterytypeIEC6F22
Dimensions case:approx.394x294x106mm
Weight: approx.1400g(cpl.set)
for additional technical data refer to
GMH3691 and accessory sensors p. 51
Scope of supply:
InstrumentGMH3691,handpumpwithairtube,
GOGoxygensensorwithpenetrationneedle,case
GKK3500, spare needle ø0,9mm, rubber foam
sticker(40pieces),operatingmanual.
Spare elements, accessories:
GOG-SET
Setwithoutinstrument
Scopeofsupply:GOGoxygensensorwith
penetrationneedle,handpumpwithairtube,case
GKK3500,spareneedleand40rubberfoamsticker
GOEL 370 sparesensorelement
GOG-N
needle,Ø0.9mm(5pieces)
GOG-A
rubberfoamsticker(40pieces)
ST-R1 deviceprotectionbag
withcut-outforprobeconnection
for add. accessories p.r.t. page 56 - 58
Calibration: 1-pointcalibration:extremely
simplequickcalibrationinatmosphericair.(press
buttontocompensateunitto20.9%).
2-pointcalibration:rstpointatatmosphericair
(20.9%),secondpointfreelyselectable
Application:
Widerangeofapplicationforyourhome,joband
hobby!Forexample:
- Bio chemistry:Oxygenmonitoringinbreeding
chambersforcellcultures.Monitoringoffermen-
tingprocessoffruitsinfermentationplantsetc.
- Medicine:Monitoringofoxygenconcentration
inrespirators;checkingofbreathing,monitoring
ofoxygenconcentrationinincubators,oxygen
tentsetc.
- Food technology:Monitoringofresidualoxygen
inpackages(e.g.coffee,tea,etc.).Monitoringof
oxygencontentduringproductionprocesses.
- Air conditioning and ventilation technology:
Oxygenmeasurements,airqualitymonitoring,
measuringofoxygenconcentrationinenclosed
airconditioningsystems,etc.
- Sport:Checkingofoxygencontentincom-
pressedairbreathingapparatuses(diving,etc.),
oxygenmonitoringforgliding.
The device can only be used to check during
these applications. -> no substitute for ap-
proved monitoring device!
Specication:
Measuring ranges:
Oxygen concentration: 0,0...100,0% O2
(gaseous)
Partial oxygen pressure: 0...1100hPaO2
Temperature: -5,0...50,0°C
Accuracy:(device)(atnominaltemperature=25°C)
Oxygen concentration: ±0.1%±1digit
Partial oxygen pressure: ±1hPa±1digit
Temperature: ±0.1°C±1digit
Oxygen electrode: for suitable sensores
p.r.t. page 51
Sensor connection:6-pinscreenedMini-DIN-
socket.
Display: two4digitLCDs(12.4mmor7mmhigh),
aswellasadditionalarrows.
Pushbuttons:6membranekeysforON/OFF-
switch,selectionofmeas.range,min-andmax-
valuememory,hold-function,calibrationetc.
Working temperature:0to+50°C
Relative humidity: 0to+95%RH
(non-condensing)
Storage temperature: -20to+70°C
Interface: serialinterface,
directconnectiontoRS232orUSBinterfaceof
aPCviaelectricallyisolatedinterfaceconverter
GRS3100orGRS3105resp.USB3100(p.r.t.
accessories).
Power supply:9V-battery,typeIEC6F22(in-
cluded),aswellasadditionald.c.connectorfor
external10.5-12Vdirectvoltagesupply.(suitable
powersupply:GNG10/3000)
Power-Off-function:1...120min(canalsobe
deaktivated).
Power consumption: approx.1.5mA
Low battery warning:and'bAt'
Dimensions:142x71x26mm(HxWxD)
Impact-resistantABSplastichousing,membrane
keyboard,transparentpanel.FrontsideIP65,
integratedpop-upclip.
Weight:approx.160g(cpl.withbattery)
Functions:
Min-/Max-value memory:max.andmin.values
willbememorized.
Hold function:bypressingabuttonthecurrent
meas.valuewillbememorized.
Alarm:integratedlimitdetectorformin.ormax.
alarm.
Temperature compensation:automaticviatem-
peraturesensor,integratedinprobehousing.
Air pressure compensation:TheO2concen-
trationwillbecompensatedaccordingtotheabs.
atmosphericpressureset(500...2000hPa).
Accessories:
Suitable sensoresp.r.t. page 51
GKK 3000 case(275x229x83mm)
withpunchedliningsuitableforGMH3xxx
USB 3100 N interfaceconverter,
electricalisolated
GRS 3105 interfaceconverter
with5connectionpoints,electr.isolated,forthe
connectionof5GMH3xxxtoonePC(RS232).
ST-R1 deviceprotectionbag
withcut-outforprobeconnection
for add. accessories p.r.t. pages 56 - 58