HVAC application AVT Air Velocity Transmitter for air vilocity monitoring

1.  It is designed for air velocity monitoring and controlling, can meet most HVAC applications. 
2. Based on thermal anemometer principle, use innovative and sensitive hot-film sensor, which is insensitive to dust and dirt, easy to install and maintain
3. No any moving parts, provide accurate, reliable, sensitive and long-term measurement, with wide range temperature compensation
4. Digital technology applied to ensure output linearity and accuracy
5.  Over voltage and reverse polarity protection with high reliability and anti-interference capacity
6. l Multiple outputs available, optional relay for alarm or ON/OFF controll 
7. field jumper selectable ranges: 0~5/10/15/20 m/s
8. Optional LCD& function keys, supports a variety of functions as parameters setting, modifying and calibrating, etc. See more details on LCD & Keys operation.

Specifications

Air velocity

Sensor: Hot-film sensor

Range: 0~5/10/15/20m/s or other (0~25m/s optional)

Accuracy: <±(0.4m/s+3% reading) @1~20m/s,25°C,55%RH,1013hPa

Response time: 2 s

Angle dependence: < 3 %reading @ | Δα | < 10°

Temperature compensation: 10~40°C

Output: 4~20mA(3 wires), 0~10VDC, RS485/Modbus

Temperature

Sensor: Digital temperature sensor

Range: 0~50°C

Accuracy: <±0.5°C@0-50°C

Response time: 10s

Output: 4~20mA(3 wires),0~10VDC,RS485/Modbus Relay: 1×SPDT, 1A/30VDC, 0.5A/125VAC

Output Load:≤500Ω(current), ≥2KΩ(voltage)

Power: 16~28VAC/16~35VDC

Working Temperature: -20~85°C,0~95%RH(Non cond.)

Housing: Fire-proof ABS

Protection: IP65

Approval: CE

Models