The Extech HD300 CFM/CMM thermo-anemometer features a built-in infrared thermometer that measures remote surface
temperatures to 932°F (500°C). The IR thermometer has a 30:1 distance to spot ratio and laser pointer. The Extech
HD300 CFM/CMM thermo-anemometer has a large (9999 count) LCD backlit display that shows simultaneous display of
air flow in CFM/CMM or air velocity plus ambient temperature. The Extech HD300 CFM/CMM thermo-anemometer's
easy-to-set area dimensions are stored in the meter's internal memory for the next power on.
The Extech HD300 CFM/CMM thermo-anemometer uses a 20 point average for air flow readings. Data can be easily
downloaded via a USB port including software.