Product Name : EYC FTS34/35 Air Velocity Transmitter
Product

sensor type 
thermal mass flow sensor
air velocity measuring range 
2 m/s ; 10 m/s;20 m/s;40 m/s
air velocity min. measuring range 
0.2 m/s
accuracy( +25°C )
air velocity : ± 2 % F.S. ( nonlinear error, hysteresis error,repeatability error )
thermal sensitivity temp. error : 0.1 % /  ℃
output
4~20 mA / 0~10 VDC
signal connection
3-wire
load resistance
≦ 500Ω(current output) / ≧ 10KΩ(voltage output)
overvoltage protection
DC:< 45V;AC:< 40V
power supply
8~35VDC / 12~30VAC
protect degree
IP54