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

5. StatusLEDindicator(red/green).RefertotheStatusLEDIndicatorDescription

laterinthissection.

6. MAX‐MINbutton.RefertotheButton

Descriptionslaterinthissection.

7. Sensors(Thermistorinternalair

temperatureandcapacitiveRHsensor)

8. PowerandDatalogStart/Stopbutton.

RefertotheButtonDescriptionslater

inthissection.

9. MARK/Batterylifebutton.RefertotheButtonDescriptionslaterinthis

section.

10. USBplug

11. Batterycompartment(CR2032x2)on

rear

12. Wallhangingmount(rear).Mounting

screwsupplied.

ButtonDescriptions

POWERbutton.ShortpresstopowerONorOFF.Notethatthedatalogger

cannotbeswitchedOFFwhiledataloggingisinprogress.



START/STOPbutton(samephysicalbuttonasthePowerbuttonabove).Press

andholdfor5secondstostartorstopthedatalogger.Notethatthedataloggerwill

notstartunlessithasbeenconfiguredusingthe‘PDFLoggerConfigurationTool.exe’

programasdescribedlaterinthisusermanual.



Maximum‐MinimumReadingbutton.Atanytime,shortpresstostep

throughthehighest(MX)andlowest(MIN)readingsrecordedinthecurrent

dataloggingsession.



Bookmarkbutton.Manuallyplaceatime‐stamped‘bookmark’inthedatalog

reportbypressingandholdingthebuttonuntilthedisplayedmeasurementflashes3

times.Uptoeight(8)bookmarkscanbesaved.



BatteryStatusNote:ShortpresstheMARKbuttontodisplaytheapproximatenumber

ofdaysremaining

forthebatterylife.

11 12

Extech Instruments RHT30 User Manual

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