GHM GTH 2448/4 User manual

 E26.0.03.6C-02 page1of2
Operating Manual for Digital Thermometer
GTH 2448 / 4
and GTH 2448 / 5
Specication:
Measuring range: GTH2448/4: -200...+650°C
GTH2448/5: -60.0...+199.9°C
Resolution: GTH2448/4: 1°C
GTH2448/5: 0.1°C
Probe connection: Pt1000,2-wire,(probenotincludedinscopeofsupply)
Accuracy: ±0.5°C±1Digit
Offset adjustment: AnOffsetofthesensor(e.g.whenusinglongcable)canbecompensatedwiththespin-
dlepotentiometeratthebacksideofthehousing.
Display: 3½-digit,redLED-display,10mmhigh
Scan rate: approx.3measurements/sec.
Nominal temperature: 25°C
Working temperature: 0to50°C
Relative humidity: 5to95%RH(non-condensing)
Storage temperature: -20to+70°C
Voltage supply: 12VDC(8-20VDC)or24VDC(18-29VDC)(tobesetviasolderingjumper)
Power consumption: max.20mA
Housing:  glassbrereinforcedNoryl,frontscreenPC.
Dimensions: 24x48mm(HxW)(dimensionsoffrontframe)
Mounting depth: approx.65mm(incl.screw-type/plug-interminals)
Panel mounting: bymeansofVA-elasticspike,allowedpanelthickness:from1toapprox.10mm
Panel cut-out:  21.7+0.5x45+0.5mm(HxW).
Connection terminals: 4-pinscrew-type/plug-interminalsforwirediasrangingfrom0.14to1.5mm²
EMC: DevicehasbeentestedaccordingtoEN50081-1andEN50082-2
additionalfault:<1%
IP rating: frontIP54(withoptionalO-ringsIP65).
Accessories: (small selection - for our complete accessories refer to our catalogue)
GNG220/1-12V power supply (230VAC) for GIA2448input:230VAC;output:12VDCstabilised,max.40mA
IP65 SET O-rings(2pcs.) O-ringsforIPratingIP65atthefront
GTF 102 / Pt1000, 2-wire -200...+600°C probee.g.forscrewingintomeasuringobject.
-50...+400°C arbitrarytubediameters,lengthsandthreadsarepossible-refertocatalog
GTF 103 / Pt1000, 2-wire -200...+600°C probewithconnectionhead(DINB),R1/2",FL=100mm,D=dia6mm
-50...+400°C (outercongurationrefertocatalog)
GHM Messtechnik GmbH / Standort Greisinger
Hans-Sachs-Straße 26 •D - 93128 Regenstauf
+49 (0) 9402 / 9383-0 +49 (0) 9402 / 9383-33 [email protected]

 E26.0.03.6C-02 page2of2
+Uv
GND
Pt100
Pt100
12VDC
(8...20VDC)
24VDC
(18...29VDC)
solderingjumperA1
Electric connection:
ElectricconnectionsfortheGTH2448/4orGTH2448/5arelocatedatthebackofthedevice.
Connectionismadeviascrew-type/plug-interminals(max.terminalrange1,5mm²).
Make it a rule to always mount screw-type/plug-in terminals while they are still loose and connect only later.
If terminals are mounted after connection there is a risk that soldering eyes may come loose. Please use suitable
screw-driver and do not tighten screws by force.
Supply voltage: 12VDCor24VDC
Please make sure to check if supply voltage and voltage range set
conform to each other.
Use the soldering jumper next to the connection terminal to select
supply voltage:
Jumper"A1"open: 24V(18-29VDC)
Jumper"A1"closed: 12V(8-20VDC)
Probe connection: Pt1000,2-wire
Both the connection and commissioning of the device must only be car-
ried out by skilled personnel. In case of a wrong connection, the device
may be destroyed - no warranty claims can be accepted !
Safety regulations
Makeitaruletoalwaysobservethefollowingpointstoexcludeanyriskwhatsoeverfortheoperator.
a) Incaseofanyobviousdamageand/orfunctionalproblemsdisconnectdeviceimmediately
b) Priortoopeningit,disconnectdeviceandsupplyvoltagesource.Makesurethatallpartsofthedeviceareprotectedagainst
directtouchingwhenmountingthedeviceandsettingitsconnections.
c) Pleasealwaysadheretothestandardsafetyregulationsforelectricdevices,powersystemsandlight-currentinstallations,and
makesurethatyournationalsafetyregulations(e.g.VDE0100)areobserved.
d) Ifdeviceistobeconnectedtootherdevices(e.g.viaserialinterface)thecircuitryhastobedesignedmostcarefully.Internal
connectioninthirdpartydevicesmayresultinnot-permissiblevoltages.
Skilled personnel
Thesearepersonswhoarefamiliarwiththeinstallation,mounting,commissioningandtheoperationoftheproductandhaveac-
quiredaqualicationfortheirjob:
 Trainingorinstructionsorqualicationtoswitchon/off,isolate,groundandapplymarkingstocircuitsanddevices/systemsin
accordancewiththelateststateoftheartstandardsofsafetytechnology.
 Trainingorinstructionsregardingthepropercareanduseofsuitablesafetyequipmentinaccordancewiththelateststateofthe
artstandardsofsafetytechnology.
 Firstaidtraining.
Warning: Whenoperatingelectricdevicespartsofthesedeviceswill,asamatterofcourse,belive.
Unlessthewarningsareobservedseveredamagetolifeandlimbortopropertymaybethe
result.Makesurethatonlyskilledpersonnelisworkingwiththisdevice.Trouble-freeopera-
tionofthisdevicecanonlybeguaranteedifitisproperlytransportedandstored.Careful
installation,mounting,operationandmaintenancearevitalfactorsforthesafeoperationofthis
device.
Warning:
Donotusetheseproductassafetyoremergencystopdevices,orinanyotherapplicationwherefail-
ureoftheproductcouldresultinpersonalinjuryormaterialdamage.
Failuretocomplywiththeseinstructionscouldresultindeathorseriousinjuryandmaterialdamage.
Terminalassignment
+UV Supplyvoltage+
GND Supplyvoltage–
Pt Probe(Pt1000)
Pt Probe(Pt1000)
Disposal notes
Thisdevicemustnotbedisposedas‘residualwaste’.Todisposethisdevice,pleasesenditdirectlytous(adequatelystamped).
Wewilldisposeitappropriatelyandenvironmentallyfriendly.
Pt1000 (-60.0 ... +199,9°C)
GTH 2448 / 5
Pt
Pt