DHT 11 Digital Temperature and Humidity Sensor


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Detail about DHT11 digital temperature and humidity sensor

DHT11 digital temperature and humidity sensor is a composite sensor contains a calibrated digital signal output of the temperature and humidity. Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the product has high reliability and excellent long-term stability. The sensor includes a resistive sense of wet components and an NTC temperature measurement devices, and connected with a high-performance 8-bit Microcontroller.

Low cost, long-term stability, relative humidity and temperature measurement, excellent quality, fast response, strong anti- interference ability, long distance signal transmission, digital signal output, and precise calibration. 


Relative Humidity

  • Resolution : 16Bit
  • Repeatability : ±1% RH
  • Accuracy : At 25°C ±5% RH
  • Interchangeability : fully
  • Interchangeable Response Time : 1 / e (63%) of 25°C 6s 1m / s air 6s
  • Hysteresis : <± 0.3% RH
  • Long-term stability : <± 0.5% RH / yr in


  • Resolution : 16Bit
  • Repeatability : ±0.2°C
  • Range : At 25°C ±2°C
  • Response time : 1 / e (63%) 10S

Electrical Characteristics

  • Power Supply : DC 3.5~5.5V
  • Supply Current : Measurement 0.3mA Standby 60μ A Sampling 
  • Period : more than 2 seconds


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DHT 11 Digital Temperature and Humidity Sensor

DHT 11 Digital Temperature and Humidity Sensor

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