Air Velocity Transmitter for HVAC

Measuring values 1)

Working range

0...10m/s (0...2000ft/min)
0...15m/s (0...3000ft/min)
0...20m/s (0...4000ft/min)

Output 1)

0 - 10 V -1 mA < IL < 1 mA
4 - 20 mA RL< 450 Ω

Accuracy at 20 degC (68^oF), 45 % RH and 1013hPa

0...10m/s (0...2000ft/min) + (0.2m/s / 39.4ft/min + 3 % of m. v.)
0...15m/s (0...3000ft/min) + (0.2m/s / 39.4ft/min+ 3 % of m. v.)
0...20m/s (0...4000ft/min) + (0.2m/s / 39.4ft/min+ 3 % of m. v.)

Response time τ90 1) 2)

typ. 4 sec. or typ. 0.2 sec. (at constant temperature)

General

Power supply

SELV 24V AC/DC ± 20 % SELV = Safety Extra Low Voltage

Current consumption
for AC supply
for DC supply

max. 150 mA
max. 90 mA

Angular dependence

< 3 % of measurement at | ∆α | < 10^o

Cable gland

M16x1.5 cable Ø 4.5 - 10 mm (0.18 - 0.39 inch)

Electrical connection

screw terminals max. 1.5 mm2 (AWG 16)

Electromagnetic compatibility

EN 50081-1
EN 50082-1 EN 50082-2

Housing/protecting class

Polycarbonat / IP65, Nema 4 with LC display IP40

Temperature range

working temperature probe -25...50 degC (-13...122^oF)
working temperature electronic -10...50 degC (14...122^oF)
storage temperature -30...60 degC (-22...140^oF)