Temperature and humidity sensor - MHT04

  • Temperature and humidity sensor
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Range of operating temperature: -20℃ ~ + 85℃​
Operating voltage range: 2.0V~5.5V​
Average power consumption: 8.2 mA @ 3 V​
Moisture measurement :​
-Typical Accuracy: ± 2.0% RH @ 30 ~ 70% RH
-Humidity resolution: 0.01% RH
-Measuring range: 0 to 100% RH

  • Model Number: MHT04
  • Data Sheet: Date Sheet File
Quantity:
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Product Specification

Temperature and humidity sensor MHT04 is digital single bus output of industrial temperature and humidity sensor, using dust waterproof breathable platinum laminated wet sensitive probe combined with high precision capacitor conditioning chip MDC04 architecture, digital single bus output, can long distance series multiple nodes, suitable for storage, cold chain, animal husbandry, industry, agriculture, medical and other high humidity, low temperature, dust, easy dew environment temperature and humidity monitoring.

The MHT04 module is mainly based on the MDC04 capacitive sensor chip for the capacitive high-precision wet-sensitive sensor head. The temperature and humidity calibration coefficient is performed for each module before leaving the factory, and the calibration coefficient is stored in the chip EEPROM, and the upper computer compensates the humidity data based on the fitting coefficient. The module is based on MDC04 single bus interface communication, which only needs VDD, GND, and single bus DQ digital three pins on the back and the upper computer wiring. The peripheral circuit is relatively simple, and only a pull resistance can be configured to realize long cable and multi-node acquisition.


Function

Range of operating temperature: -20℃ ~ + 85℃

Operating voltage range: 2.0V~5.5V

Average power consumption: 8.2 mA @ 3 V

Moisture measurement :

-Typical Accuracy: ± 2.0% RH @ 30 ~ 70% RH

-Humidity resolution: 0.01% RH

-Measuring range: 0 to 100% RH

Temperature measurement

-Typical Accuracy: ± 0.3℃ @0~ + 50℃

-Resolution: 0.004℃

Digital single bus interface, support 100 meters of communication distance, 128 nodes in series network

Anti-electromagnetic environment interference, the communication system includes the data transmission error determination mechanism

Module size:

-No enclosure: 21.8 ± 0.3 * 5.1 ± 0.1 * 1.7 ± 0.2 mm (length * width * thick)

-White protective case: 24.7±0.3*7.0±0.1*3.9±0.1mm (length * width * thick)



Appliance:

Keep grain

Cold chain

Raise livestock

Industry and agriculture

Medical treatment 

Temperature and humidity supervision

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