Extech Instruments TM500 - Measurements and Related Features; Basic Thermocouple Mode; Temperature Display Offset

7 TM500-EU-EN v1.1 12/13
Measurementsandrelatedfeatures
BasicThermocoupleMode
ThermocouplesareconnectedatthetopofthemetertothejackslabeledT1throughT12.
Selectthethermocoupletype(J,K,etc.)tomatchthethermocoupletypeused.Innormal
thermocouplemodethemeterwillsimultaneouslydisplaythetemperatureforthermocouples
T1throughT12.Dashesaredisplayedifathermocoupleisnotconnectedorifthemeasurement
isoutofrange.
DataHold
Tofreezeameasurementonthedisplay,presstheHOLDbuttonmomentarily.Themeterwill
emitabeep,thereadingwillhold,andtheHOLDiconwillswitchon.PresstheHOLDbutton
againtoreleasethedisplayandexittheDataHoldmodereturningthemetertothenormal
operatingmode.
TemperatureDisplayOFFSET
TheVPC300allowstheusertosetadisplayoffsetthatappliestoallofthethermocouple
displaysequally.Tosetthedisplayoffsetfollowthestepsbelow:
1. PressandholdtheOFFSETbuttonfor3secondstoreach theoffsetscreen.The
temperatureontheleftisthecurrentlydisplayedtemperatureforChannel1andthe
temperatureontherightistheoffsettemperature
2. Usetheupanddownarrowkeystoadjustthedisplayontherighttooffsetthedisplayas
desired.
3. Whenfinished,presstheENTERbuttontostoretheoffsetandreturntonormaloper
ation.
4. Allofthethermocouplereadingswillnowreflecttheoffsetvalueprogrammedbythe
user.
Tocle
artheOFFSET,followthestepsbelow:
1. SwitchthemeterpowerOFF
2. Pres
sandholdtheHOLDandRECbuttonswhileswitchingthemeterpowerON
3. ReleasethetwobuttonswhenthemeterswitchesON
4. PressandholdtheOFFSETbuttonfor5secondsandthedisplaywillshowCODE100
5. Usetheuparrowbuttontochang
efromCODE100toCODE125
andthenpressENTER
6. UsethearrowbuttonstoselectYESorNOandthenpressENTER
7. IfYESisselected,themeterwillclearthepreviouslyprogrammedoffset.IfNOisselected,
themeterwillretaintheoffsetprogrammed
bytheuser.
MAX‐MINReadings
Foragivenmeasurementsession,thismetercanrecordthehighest(MAX)andthelowest(MIN)
readingsforlaterrecall.
1. PresstheRECbuttonmomentarilytoaccessthismodeofoperation(RECiconappears)
2. ThemeterisnowrecordingtheMAXandMINreadings.
3. PresstheRECbuttonagaintoviewthecurrentMAXreadings(MAXiconappears). The
readingsonthedisplayarenowthehighestreadingsencounteredsinc
etheRECiconwas
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