User manual
10RHT30_TH30‐en‐GB_V1.0(11/16)
Maintenance
BatteryReplacement
Thebatterycompartmentislocatedonthebackofthedataloggerasshowninthe
Descriptionssection.Whenthebatterysymbolflashesonthedisplay,replacethe
batteriespromptly.
1. Usingalargecoin,rotatethebatterycompartmentlidclockwiseapproximately
onequarterturntoopenthecompartment
2. Replacethe
two(2)CR2032batterieswithpositive(+)sidefacingup
3. Replacethebatterycompartmentlidandturncounterclockwisetosecureit
4. Disposeofbatteriesinaccordancewithcountry,state,andlocalregulations
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriatecollection
sites,theretailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuseris
obligatedtotakeend‐of‐
lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronicequipment.
BatteryStatusCheck
Tochecktheapproximatenumberofdaysofbatteryliferemaining,shortpressthe
MARKbutton.Thedisplaywillshowthenumberofdaysandthe‘d’fordays(XXd).
Cleaning
Wipethedataloggerwithadampcloth,donotusesolventsorabrasivesasthesemay
damagethedataloggerfinishanddisplaylens.
ErrorDisplayCodes
ERROR CAUSE SOLUTION
Dashes
‐‐‐‐‐.‐
Externalprobeunplugged(TH30only)
Checktheconnectionbetween
theexternalprobeandlogger
E02 Measuredvaluebelowspecifiedrange Operateinthespecifiedrange
E03 Measuredvalueabovespecifiedrange Operateinthespecifiedrange
E04 Temperatureerror(RHT30only) ContactExtechforservice
E11 Humiditycheckfailed(RHT30only) ContactExtechforservice
E31 Microprocessorfailed ContactExtechforservice
E33 Humiditymeasurementerror ContactExtechforservice
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