● IP65 protection degree, rugged aluminum case, fit in variety harsh environment
● Capable of temperature compensation
● Llinear adjustment air velocity by computer, analogue output or option RS-485
● High-speed, high-precision measurement, fast response
● Thermistor measurement sensor
● LCD display air velocity and temperature value
● Switch multifunction physical quantities：[m/s]、[ft/s]、[km/h]、[mph]、[kont]
● DIP SWITCH function and RS-485 function
● Calibration physical quantities, measuring range, analogue output, station, and zero-point OFF SET function
● Keyboard or RS-485adjustment zewo-point OFF SET function
● Free calibration software : data logger / record 65535 datas / charts
sensor type
thermal mass flow sensor
1 m/s ; 2 m/s ; 5 m/s ; 10 m/s；20 m/s；40 m/s ; 60 m/s ; 90m/s ; 120m/
air velocity min. measuring range
0.15 m/s
PT 1000, 0 ... 80 ℃
accuracy ( + 25 °C )
air velocity : ± 1.5 % F.S. ( nonlinear error, hysteresis error, repeatability error )
temperature ( > 2 m / s ) : ± 0.3 ℃
thermal sensitivity temp. error : 0.05 % / ℃
output
0 ... 20 mA / 4 ... 20 mA /
0 ... 1 VDC / 0 ... 5 VDC / 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
protection degree
IP 65
