Dwyer VP1 Vane Thermo-Anemometer Wired Probe is designed to plug into any of the handheld units included with the Dwyer 471B-1, 473B-1, or 485B-1 in order to transmit measurements such as air flow, air velocity, humidity, and temperature. The Dwyer VP1 is able to measure velocities down to 50 fpm or 0.25 m/s and has an arrow on the vane housing in order to indicate flow direction.
*Not a standalone tool: Requires a handheld unit included with Dwyer 471B-1, 473B-1, or 485B-1