EXTECH AN310 Large Vane CFM/ CMM Thermo-Anemometer

Features: 4" ( 10cm) vane allows for more precise readings on larger size ducts Air Velocity, Air Flow, Relative Humidity, Wet Bulb and Dew Point Built-in thermistor for air temperature Multipoint and timed average calculations Min/ Max, Data Hold, and Auto power off Complete with four AAA batteries and hard carrying case Extech' s 4" ( 10cm) Large Vane Thermo-Anemometer series allows for more precise readings on larger size ducts. Each meter simultaneously displays Airflow or Air Velocity and Temperature The AN310 has a cone and square preset so when the adapter is attached to the vane of the meter, this allows HVAC technicians to be freed from the hassle of calculating dimensions and also allow for quick and easy air flow measurements for these common large duct sizes ( 8.26" / 210mm round and 13.6" / 346mm square) . Includes: Meter AAA batteries Hard case