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Acrel WHD72-22 Programmable Analog Temperature And Humidity Sensor

Acrel's Programmable Analog Temperature and Humidity Sensor, WHD72-22, provides accurate measurements with a range of -40.0℃~99.9℃ for temperature and 0%RH~99%RH for humidity. This sensor features DC 4-20mA or DC 0~20mA output, a set range of controlling parameters for heating, blowing, and humidity control, and communication port with RS485 and MODBUS(RTU) treaty. With an average work time of ≥50000 hours and a power-frequency withstand voltage of 2kV/1 min, Acrel's analog temperature and humidity sensor is a reliable solution for monitoring environmental conditions.

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Specification of WHD72-22 Programmable Analog Temperature And Humidity Sensor

Technical Datasheet
Technical ParameterValue
Measuring RangeTemperature-40.0℃~99.9℃
Humidity0%RH~99%RH
PrecisionTemperature±1℃
Humidity±5%RH
Transmitting OutputDC 4-20mA or DC 0~20mA
Set range of controlling parameterHeating for Temperature rising-40.0℃~40.0℃
Blowing for temperature decreasing0.0℃~99.9℃
Humidity control20%RH~90%RH
Output Contact Capacity5A/AC250V
Start/stopgap5
Communication portRS485,MODBUS(RTU) treaty
Auxiliary PowerVoltageAC/DC 85-265V
ConsumptionBasic power consumption(≤0.8w)+relay power consumption(each channel≤0.7w)
Insulation Resistance≥100MΩ
Power-frequency withstand voltagepower with shell, touchable metal parts/power with another terminal group 2kV/1 min(AC.RMS)
Average work time without stoppage≥50000 hours
Working condition(controller)Temperature-20℃~+60℃
Humidity≤95%RH, without condensation and corrosive gas
Altitude≤2500m



Diagram of WHD72-22 Programmable Analog Temperature And Humidity Sensor

Diagram of WHD72-22 Programmable Analog Temperature And Humidity Sensor
Function
Diagram of WHD72-22 Programmable Analog Temperature And Humidity Sensor
Function
Diagram of WHD72-22 Programmable Analog Temperature And Humidity Sensor
Dimension
Diagram of WHD72-22 Programmable Analog Temperature And Humidity Sensor
Wiring
Diagram of WHD72-22 Programmable Analog Temperature And Humidity Sensor
Typical Connection
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Contact Us
Related WHD Series Temperature & Humidity Controller
+8618795636361 michelle.zhou@email.acrel.cn
No. 9 Xincheng Road, Chengjiang Street, Jiangyin City, Jiangsu Province, China.