EXTECHINSTRUMENTS
2RH35‐en‐EU_v1.17/14
Introduction
ThankyouforselectingtheExtechInstrumentsModelRH35.Thisdeviceisshippedfullytested
and calibrated and, with proper use, will provide years of reliable service. Please visit our
website(www.extech.com)tocheckforthelatestversionofthisUserGuide,ProductUpdates,
andCustomerSupport.
Safety
InternationalSafetySymbols
Thissymbol,adjacenttoanothersymbolorterminal,indicatestheusermustrefertothemanualfor
furtherinformation.
Doubleinsulation
SafetyNotes
o Removethebatteryifthedeviceistobestoredforlonge rthan60days.
o Neverdisposeofbatteriesinafire.Batteriesmayexplodeorleak.
o Nevermixbatterytypes.Alwaysinstallnewbatteriesofthesametype.
Cautions
o Iftheequipmentisusedinamannernotspecifiedbythemanufacturer,theprotection
providedbytheequipmentmaybeimpaired.
o Batteriescancontainharmfulacids.Lowbatteriesshouldbechangedassoonaspossibleto
preventdamagecausedbyleaking.
o Neveruseacombinationofold
andnewbatteriestogether,orbatteriesofdifferenttypes.
o Wearchemical‐resistantprotectiveglovesandglasseswhenhandlingleakingbatteries.
o Donotplaceyourproductnearextremetemperatures,vibrations,orshocks.
o Protectdevicefrommoisture.