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User's Guide
Hot Wire Thermo-Anemometer
Model 407123
Introduction
Congratulations on your purchase of the Extech Hot Wire Anemometer. This meter
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 and has
a protective cover that slides up and down. The meter includes an RS-232 PC Interface
jack for use with the Model 407001 Data Acquisition software and interface cable kit.
Careful use of this meter will provide years of reliable service.