Extech Instruments AN500 Guide de l'utilisateur

USER GUIDE Hot Wire CFM/CMM Thermo-Anemometer Model AN500 ft/minoF

AN500-en-EU_V1.7 9/14 2 Introduction Thank you for selecting the Extech Hot Wire CFM/CMM Thermo-Anemometer. This instrument measures air velocity, a

AN500-en-EU_V1.7 9/14 3 Push-button Description  Power: Switches the meter ON and OFF  C/F: Select the temperature units  MAX/MIN: Press to R

AN500-en-EU_V1.7 9/14 4 Operation Initialization and Zero The meter should always be zeroed at temperature before use using the ZERO button. Do not

AN500-en-EU_V1.7 9/14 5 Auto Power OFF The meter is equipped with an Auto Power OFF (APO) feature. The meter will automatically switch OFF after 10

AN500-en-EU_V1.7 9/14 6 Zero Adjustment Press and hold the ZERO button for 1 second to zero the reading. Backlight Press the Zero/BL button a

AN500-en-EU_V1.7 9/14 7 Battery Replacement When the displayed battery symbol appears empty or begins to blink, replace the batteries as soon as p

AN500-en-EU_V1.7 9/14 8 Specifications General Specifications Circuit configuration Custom one-chip LSI microprocessor circuit Display Dot Matrix

AN500-en-EU_V1.7 9/14 9 Useful Equations and Conversions Area equations The volume of air flowing through a duct or vent can be determined by taking