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10RHT30_TH30‐en‐GB_V1.0(11/16)

Maintenance

BatteryReplacement

Thebatterycompartmentislocatedonthebackofthedataloggerasshowninthe

Descriptionssection.Whenthebatterysymbolflashesonthedisplay,replacethe

batteriespromptly.

1. Usingalargecoin,rotatethebatterycompartmentlidclockwiseapproximately

onequarterturntoopenthecompartment

2. Replacethetw

o(2)CR2032batterieswithpositive(+)sidefacingup

3. Replacethebatterycompartmentlidandturncounterclockwisetosecureit

4. Disposeofbatteriesinaccordancewithcountry,state,andlocalregulations



Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.

Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriatecollection

sites,theretailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.

Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotak

eend‐of‐

lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronicequipment.



BatteryStatusCheck

Tochecktheapproximatenumberofdaysofbatteryliferemaining,shortpressthe

MARKbutton.Thedisplaywillshowthenumberofdaysandthe‘d’fordays(XXd).



Cleaning

Wipethedataloggerwithadampcloth,donotusesolventsorabrasivesasthesemay

damagethedataloggerfinishanddisplaylens.

ErrorDisplayCodes

ERROR CAUSE SOLUTION

Dashes

‐‐‐‐‐.‐

Externalprobeunplugged(TH30only)

Checktheconnectionbetween

theexternalprobeandlogger

E02 Measuredvaluebelowspecifiedrange Operateinthespecifiedrange

E03 Measuredvalueabovespecifiedrange Operateinthespecifiedrange

E04 Temperatureerror(RHT30only) ContactExtechforservice

E11 Humiditycheckfailed(RHT30only) ContactExtechforservice

E31 Microprocessorfailed ContactExtechforservice

E33 Humiditymeasurementerror ContactExtechforservice

Extech Instruments RHT30 User Manual

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