AN320-en-GB_V1.3 11/15
2
Introduction
Congratulationson ofyourpurchase theExtechAN320Vane PsychrometerAirflowAnemometer
+CO2.ThisinstrumentmeasuresAirVelocity,AirFlow(volume),AirTemperature,Relative
Humidity,WetBulbTemperature,DewPointTemperature,andCO2(carbondioxide).Thelarge,
easy‐to‐read secondarybacklitLCDincludesprimaryand displaysplusnumerousstatusindicators.
The foroptional adaptorsroundandsquareairflow cone allow quickairflow(volume)
measurements.This tested calibratedmeterisshippedfully and and,withproperuse,willprovide
yearsofreliableservice. forPleasevisitour website (www.extech.com) tocheck thelatestversion
ofthisUserGuide,ProductUpdates,andCustomer Support.
CAUTIONS
Improper use of this meter can cause damage to the meter and personal injury. Read and
understandthisusermanualbefore operating themeter.
Inspect the condition of the probe and the meter for any damage before operating the
meter. beforeRepairorreplacedamage use.
If the equipment is used in a manner not specified by the manufacturer, the protection
providedby betheequipmentmay impaired.
This device should not be made available to children. It contains hazardous objects as well
assmall Thepartsthatcan accidentally swallowed.be meter’sbatteriesandpacking
materialcanalsobedangeroustochildren.
In the event that the meter is to be unused for an extended period of time, remove the
batteriestoprotectagainstbatteryleakage.
Expired or damaged batteries can be hazardous if allowed to come in contact with skin. Use
suitablehandprotectioninsuchcases.
Do not short circuit batteries or put batteries in fire.