CM2302 / DHT22 TEMPERATURE & HUMIDITY SENSOR MODULE


Price:
$24.99

Description

Description

CM2302 is a temperature and humidity composite sensor. It uses dedicated digital module acquisition technology and temperature and humidity sensing technology to ensure high reliability and excellent long-term stability. The sensor includes a capacitive wet sensor and a high-precision NTC temperature sensor connected to a high-performance 8-bit microcontroller, ensuring the product’s excellent quality, fast response, anti-interference ability and cost efficiency. Each sensor is being calibrated in a highly accurate humidity calibration room.

Compared to the DHT11, this sensor is more precise, more accurate and works in a bigger range of temperature/humidity, but its larger and more expensive.

This product is a replacement of: VMA345

Features

  • ultra-low power consumption
  • long transmission distance
  • standard digital single bus output
  • excellent long-term stability
  • high-precision NTC

Specifications

  • typical accuracy RH: +/- 2 % RH
  • operating range RH: 0 to 99.9 % RH
  • humidity response time: 5 sec
  • typical accuracy temperature: +/- 0.5 °C
  • operating range temperature: -40 to 80 °C
  • interface: 1 wire
  • supply voltage: 3.3 to 5.5 VDC
  • supply current: max 1.5 mA

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