Extech AN500 - Manuals

AN500-EU-EN v1.5 1/13 2 Introduction Thank you for selecting the Extech Hot Wire CFM/CMM Thermo-Anemometer. This instrument measures air flow and temperature by placing the sensor into an airway such as a duct or a vent. The sensor is situated at the end of the telescoping wand for convenience. This...

AN500-EU-EN v1.5 1/13 4 Operation Initialization and Zero The meter should always be zeroed at temperature before use using the ZERO button. Do not rely on the initial zero display. Notes :  The meter does not display negative numbers.  Open antenna to desired length. 1. Connect the sensor to the ...

AN500-EU-EN v1.5 1/13 5 Auto Power OFF The meter is equipped with an Auto Power OFF (APO) feature. The meter will automatically switch OFF after 10 minutes of inactivity (no button pressed). Press and hold the POWER button for 1 second to disable the APO feature (the APO display icon will switch OFF...