Air Velocity Transmitter Velocity Ranges FPM 1000 2000 3000 4000 Velocity Accuracy +/-5 Percent (32 Degrees to 122 Degrees F) Output 4 to 20ma DC Power Required 24VDC 24VAC Response Time (Sec.) 10 seconds to 90 Percent of Final Value (Output Filter Set to Minimum) Operating Temp 32 Degrees to 122 Degrees F (0 Degrees to 50 Degrees C) Display LCD Probe Length (In.) 7-41/64 Dia (In.) 15/32 Manufacturers Warranty Length 1 yr.