User manual

AN310-EU-EN V1.2 1/13

Introduction

CongratulationsonyourpurchaseoftheExtechAN310VaneAirflowAnemometerPsychrometer.

ThisinstrumentmeasuresAirVelocity,AirFlow(volume),AirTemperature,RelativeHumidity,Wet

BulbTemperature,andDewPointTemperature.Thelarge,easy‐to‐readbacklitLCDincludes

primaryandsecondarydisplaysplusnumerousstatusindicators.Theoptionalroundandsquare

airflowconeallowsforquickvolumemeasurements.Thismeterisshippedfullytestedand

calibratedand,withproperuse,willprovideyearsofreliableservice.Pleasevisitourwebsite 

(www.extech.com)tocheckforthelatestversionofthisUserGuide,ProductUpdates,and

CustomerSupport.

CAUTIONS

 Improperuseofthismetercancausedamagetothemeterandpersonalinjury.Readand

understandthisusermanualbeforeoperatingthemeter.

 Inspecttheconditionoftheprobeandthemeterforanydamagebeforeoperatingthe

meter.Repairorreplacedamagebeforeuse.

 Iftheequipmentisusedinamannernotspecifiedbythemanufacturer,theprotection

providedbytheequipmentmaybeimpaired.

 Thisdeviceshouldnotbemadeavailabletochildren.Itcontainshazardousobjectsaswell

assmallpartsthatcanbeaccidentallyswallowed.Themeter’sbatteriesandpacking

material

canalsobedangeroustochildren.

 Intheeventthatthemeteristobeunusedforanextendedperiodoftime,removethe

batteriestoprotectagainstbatteryleakage.

 Expiredordamagedbatteriescanbehazardousifallowedtocomeincontactwithskin.Use 

suitablehandprotectioninsuchcases.

 Donotshortcircuitbatteriesorputbatteriesinfire.