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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Richcomm
  • Model Number: Temperature & Humidity Sensor(OLED Display)
  • Usage: Industrial, Temperature Humidity Monitoring
  • Accuracy: ±0.5℃, ± 3 %
  • Temperature range: -55 ℃ ~ +155 ℃
  • Temperature Range: -22 ℃ ~ +55 ℃
  • Humidity Range: 10% ~ 99%
  • Communication Mode: Full-duplex RS485

Packaging & Delivery

Packaging Details 1pc/box
Delivery Time Within 30 Days


Product Functions


1. Monitor server room temperature and humidity real time status;


2. Modbus RTU communication interface which is compatible with other system interfaces and is convenient for extension. 


3. Support temperature and humidity real time detection and single temperature detection;


4. Support full duplex;


5. Two RJ45 interface for users to cascade and expand;


6. Visual display of temperature and humidity module’s working & communication status & via communication indicator of the module;



Product Features


The module adopts integrated digital temperature & humidity sensor that needs no calibration. It is small-sized with strong anti-interference and low consumption and offers dew point parameters. 

The module can detect absolute humidity and the humidity detected is 100% under condensation.


Modbus RTU communication interface which is compatible with other system interfaces and is convenient for extension. 


There is a built-in watch dog to guarantee the stability of the temperature and humidity module.


Green LED flickers while data transmission exists in communication.


Red LED flickers while error exists in data testing.



Technical Parameters

Temperature Monitoring Range: —22  ~ +55  Accuracy: ±0.5 ℃


Temperature Sensor Detection Range: —55 ℃ ~ +155 ℃   Accuracy±0.5 ℃


Environment Humidity Detection Range: 10% ~ 99%   Accuracy:± 3 %


Communication Mode: Full-duplex RS485


Work out dew point via temperature and humidity


MTBF: >50000h


Communication Distance: radius: 1200m


Power Input (DC): DC 9V (±10%)/DC 5V (±5%)


Overall Unit Power Consumption: 3W


Communication Protocol


Communication Rate: 9600 b/s


Data Format: 8 data bits, 1 stop bit, no check bit.


Power Input: Power supply voltage range: [4.5v~14.5v].



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