Waveshare Contact-less Infrared Temperature Sensor

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Working Principle

Description

The AHT25 integrated temperature and humidity sensor utilizes a newly designed ASIC dedicated chip, an improved MEMS semiconductor capacitive humidity sensor element, and a standard temperature sensor element to provide accurate temperature and humidity measurements. It features a digital output with an I²C interface for easy integration into various applications.

Sensor Types

Temperature Sensor

Humidity Sensor

Dos And Donts

Donts

  • Expose The Sensor To Extreme Temperatures Beyond Its Operating Range.: Expose the sensor to extreme temperatures beyond its operating range.,
  • Subject The Sensor To Excessive Moisture Or Humidity Levels.: Subject the sensor to excessive moisture or humidity levels.

Dos

  • Calibrate The Sensor Regularly For Accurate Readings.: Calibrate the sensor regularly for accurate readings.,
  • Handle The Sensor With Care To Avoid Damage.: Handle the sensor with care to avoid damage.
Limits

Accuracy

  • Temperature: 0.5 degree,
  • Humidity: 3%

Operating Voltage

  • Min: 2.2V DC,
  • Max: 5.5V DC
How To Connect

Connection Type

  • Interface: I²C,
  • Address: 0x38
Dimensions

Size

Standard-pitch plug-in connectors for easy replacement in applications.