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WS-20 Air Velocity Transmitter

WS-20 Air Velocity Transmitter

WS-20 Air Velocity Transmitter has very sensitive responsivity for air velocities,even for the lowest air velocities(close to 0). And the transmitter also provides RS485 protocl,adopting standard Modbus communication protocol, it is convenient to get the data via digital communication. The probe is used advanced hot-film anemometer sensor. compared with gerenal temperate sensor or tranditional anemometer sensor which uses NTC thermal sensitive resistance. It has not only obvious advantages but also good seismic resistance and anti-pollution ability.

Product Details

WS-20 Air Velocity Transmitter offers 5% accuracy at a surprisingly low price.It has very sensitive responsivity for air velocities,even for the lowest air velocities(close to 0). WS-20 Air Velocity Transmitter in 24Vac/Vdc supplies and provides 0 ~5V.0~10V or 4 ~ 20mA Standard signal output.And the transmitter also provides RS485 protocl,adopting standard Modbus communication protocol, which is conveniet to get the data via digital communication. WS-20 has obviois advantages like good seismic resistance and anti-pollution ability.


H: On wall    

V: In pipeline

S: Split

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Types of selecting


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Specifications  


Mode

WS-20

Output mode(analog or digital)

(0 ~ 5V / 0 ~ 10V、4 ~ 20mA) or RS485

Load Resistance

4 ~ 20mA ,RL < 500 Ω

0 ~ 5V or 0 ~ 10V, RL > 10 kΩ

Measurement Range

0~2 m/s

0~20 m/s

Accuracy(at 20 ℃(68 ℉), 45% RH, 1013 hPa)

±(0.05m/s+2%mv)

±(0.2m/s+3%mv)

Direction of Inlet air

Single-track

Supply Voltage

24Vac/Vdc ±20%

Supply Current

<80mA

Response Time

≤3s

Temperature range

Working temperature:-10 ~ +50℃ (14 ~ 122℉)

Storage temperature:-20 ~ +60℃ (-4 ~ 140℉)

Specification of Cable

PG9  Waterproof Connectors

Cable diameter Φ4~8mm

Protection Rating

IP65



Our company, established in 1993, is a leading manufacturer in this field. If you are interested in our ws-20 air velocity transmitter, please rest assured to buy the quality products made in China. The customized orders are also welcome in our factory. Don't hesitate to enjoy our low price and excellent service.
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