ThermoAir 64 Thermal-Electric Uni-Directional Anemometer. Sensing head 8mm diameter, handle 15mm diameter, probe length 300mm. Air velocity range: 0-1m/s with a 2 second attenuated 4-20mA output. Accuracy ±1.5% of full scale. Power supply 15-26vDC. The sensor can be plugged into the measuring transducer housing or used separately from it. Transducer housing dimension 100 x 60 x 35mm. Cable length 1.8m, the cable is fitted with 2 Lemo connectors. Operating range 0 to 40°C. Thermo-electric anemometer suitable for dry instrument air or inert gas air flows. Part Ref THER64111