Air Velocity Transmitter Velocity Ranges FPM 250 500 1000 2000 3000 5000 10000 15000 Velocity Accuracy 3 Percent FS Process gas 32 to 122 Degrees F (0 to 50 Degrees C) 4 Percent FS Process gas -40 to 32 Degrees F 122 to 212 Degrees F (-40 to 0 Degrees C 50 to 100 Degrees C) Output 4-20ma Power Required 12-35 VDC 10-16 VAC 1.5 A Rating Required on Supply Due to Initial Power Surge Drawn by Transmitter