Temperature and humidity sensor - AHT21B

• Fully calibrated
• Digital output, I²C interface
• Excellent long-term stability
• Quick response
• Strong anti-interference ability
• A variety of accessories to choose from
• Tailor-made application solutions

  • Model Number: AHT21B
  • Data Sheet: Date Sheet File
Quantity:
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  • Temperature and humidity sensor
  • Temperature and humidity sensor
  • Temperature and humidity sensor
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Product Specification

1.Technical Parameters:

Measuring range

Temperature: -40~+80°C;

Humidity: 0~100%RH

Measurement accuracy

Temperature: ±0.3℃;

Humidity: ±2%RH(25℃)

Resolution

Temperature: 0.01℃ Humidity: 0.024%RH

Output signal

I²C signal

Packaging

blister tray

Supply voltage

DC : 2.0 - 5.5V


2. Product Overview:   

     AHT21B digital temperature and humidity module is a temperature and humidity composite sensor with calibrated digital signal output. It uses special digital module acquisition technology and temperature and humidity sensing technology to ensure that the product has very high reliability and excellent long-term stability. The product has the advantages of excellent quality, rapid response, strong anti-interference ability, and high cost performance. Each sensor is calibrated in a professional humidity calibration room to make the product reach a higher accuracy standard. Standard I²C interface makes system integration easy and fast. The product's small size and low power consumption make it the best choice for various applications and even the most demanding applications.

 

3. Applications scenarios

    HVAC, dehumidifier, testing and inspection equipment, consumer products, automobiles, automatic control, data loggers, weather stations, home appliances, humidity control, medical and other related temperature and humidity detection and control.

 

4. Product Feature

• Fully calibrated

• Digital output, I²C interface

• Excellent long-term stability

• Quick response

• Strong anti-interference ability

• A variety of accessories to choose from

• Tailor-made application solutions

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