Extech Instruments RH35 Manual

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EXTECHINSTRUMENTS

4RH35‐en‐EU_v1.17/14

Operation

GettingStarted

 Removetheprotectivefoilfromthedisplay.

 Openthebatterycompartmentandremovethebatteryinsulationstrip.Thedevicewill

soundthealarmandallLCDsegmentswillbedisplayedfortwosecondsasthedevice

switchesON.

 Theindoortemperature,relativehumidity,andcorrespondingfacialsymbolwill

appear

onthedisplay.Thisindicatesthatthemeterisnowreadyforuse.

Note:DonotattachthesupportstanduntiltheswitchesfortheRadarAnimationandAlarm

Soundaresetasdesired.Thesetwoswitchesareconcealedbythesupportstandwhenitis

attached.Referto

theDescriptionsectionofthisguideforthelocationoftheswitchesand

refertothededicatedsectionsbelowformoredetail.

24HourMoldRadarDisplay

Thedevicemeasurestherelative humidity%every30secondsandcalculatestheaverage

valueevery10minutes.Theinnovativemoldradardisplaygraphicallydepictstheaverageon

a24‐hourtime‐line.

Thetime“0h” representsthevalueforthecurrenthour.“‐1”representsthelasthour,“‐3”

forthepast2‐3hours,“‐6”forthepast4‐6hours,“‐12”forthepast7‐12hours,and“‐24”for

thepast13‐24hours.

Therelativehumidityvaluesareshownongridlinesfrom15to85%.

Areadinghigherthan65%

RHindicatesapotentialformold.

RadarAnimationON/OFFSwitch

RemovethesupportstandtoaccesstheRadarAnimationON/OFFswitchonthebackofthe

unit(theswitchisonthe rightidentifiedbythearrowicons).SlidetheswitchUPtoactivate

theRadarAnimation.SlidetheswitchDOWNtodeactivatetheRadarAnimation.

AlarmSoundON/OFFSwitch

RemovethesupportstandtoaccesstheAlarmSoundON/OFFswitchonthebackoftheunit

(theswitchisontheleftidentifiedbytheaudioicons).SlidetheswitchUPtoactivatethe

AlarmSoundbeeper.SlidetheswitchDOWNtode‐activatetheAlarmSoundbeeper.

Iftherelativehumiditymeasurementishigherthan65%,thealarmbeepersoundsforone

minuteandtheredwarninglight(frontpanel,right)flashes.Pressanybuttontostopthe

alarmsound.Thewarninglightcontinuesflashing untilthemeasuredhumidityfallsbelow

65%.

ComfortLevel

Thedevicedisplaysoneoftwofacialindicatorsrepresentingthecomfortleveloftheindoor

climate.Asmilingfaceindicatesanidealrelativehumidityrange(40‐60%).Afrowningface

indicatesanoverlywetordrycondition(<40%or>60%).