Kestrel 4200 Made by the Top Name in Pocket Wind Meters
Kestrel 4200 Pocket Wind Meter gives you quick, reliable readings in the palm of your hand. Measuring modes and display units can be changed at any time. The large, backlit LCD is easy to read. The Kestrel 4200 calculates cubic feet per minute (cfm) readings for you. No need to carry a calculator or mess with cumbersome equations. Just enter the duct shape and dimensions, hold the Kestrel 4200 in the airflow, and volume airflow readings are displayed. It also measures wet-bulb temperature, barometric pressure and humidity ratio. Datalogger records 1600 measurement sets at user-selectable time intervals. Includes cover, adjustable lanyard and battery.