The 407119 utilizes a telescoping antenna with built-in air velocity and temperature measurement transducers. CFM ( cubic feet per minute) measurements are displayed after manually entering the area of the duct and then taking an air velocity measurement. The 407119 includes a MIN/ MAX display and a 20-point averaging feature. Careful use of this meter will provide years of reliable service.

Features: 
Air velocity measurements as low as 40ft/ min
Telescoping probe is ideal for use in ducts and ventilating systems; extends up to 4ft ( 1.22m) long
20 point averaging for airflow
Record and recall MIN/ MAX readings
Data Hold plus Auto power off
Built-in RS-232 PC Interface

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