● Linear adjustment function
● Switch for physical quantity:[m/s]、[ft/s]、[km/h]、[mph]、[knot]
● Option  RS-485 Communication Interface, Modbus RTU protocol
● Configuration measuring rage, analog output, station number by dip switch & RS-485
● Off SET function by bottom or RS-485
● Programmable softeware : DATA LOGGER, record, and chart analysis

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