Fluke 922 Airflow Meter.
This meter is a multi-function tool for HVAC technicians that combines three tools in one: a differential pressure meter, an airflow meter, and a velocity meter. It is designed for use in harsh environments with a rugged build and a bright, backlit display. The meter has a data storage capacity of 99 readings and features functions like Min/Max/Average/Hold for data analysis.
The Fluke 922 can be used to:
Measure pressure drops across filters and coils.
Air Pressure: Can measure up to ±4000 Pascals (±16 inH2O).
Air Velocity: Range of 1 to 80 m/s (250 to 16,000 fpm).
Air Flow (Volume): Measures 0 to 99,999 cfm.
Temperature: Range of 0°C to 50°C (32°F to 122°F).
Battery Life: Up to 280 hours without backlight, or 60 hours with the backlight on, using four AA batteries.