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AHT21B Temperature and Humidity Sensor Module

$0.7500
In stock
SKU
SEN-10-119
Volume discounts:
  • +50 3 % $0.7300
  • +100 5 % $0.7100
  • +300 7 % $0.7000
  • +500 8 % $0.6900
  • +1000 9 % $0.6800
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The AHT21B Temperature and Humidity Sensor Module is a high-precision sensor designed for applications that require accurate and reliable environmental monitoring. Manufactured by Aosong, it features a compact design with a low power consumption, making it ideal for embedded systems and IoT applications. With an I²C signal output, the sensor can easily be integrated into various projects. It operates in a wide range of conditions, providing temperature readings from -40°C to +80°C and humidity readings from 0% to 100% RH. Its high accuracy and fast response make it suitable for industrial, commercial, and home automation use.

Specifications of AHT21B Temperature and Humidity Sensor Module

  • Supply Voltage: 2.2V - 5.5V DC

  • Operating Temperature Range: -40°C to +80°C

  • Operating Humidity Range: 0% to 100% RH

  • Temperature Accuracy: ±0.5°C

  • Humidity Accuracy: ±3% RH at 25°C

  • Temperature Hysteresis: ±0.1°C

  • Humidity Hysteresis: ±1% RH

  • Temperature Resolution: 0.01°C

  • Humidity Resolution: 0.024% RH

  • Output Signal: I²C

  • Dimensions: ---

Datasheet of AHT21B Temperature and Humidity Sensor Module

Manufacturer of AHT21B Temperature and Humidity Sensor Module

More Information
Interface TypeI2C
Operating Voltage (V)2.2V - 5.5V DC
Operating Current (mA)0.023 mA (Typical Measurement)
Operating Temp (°C)-40°C to +80°C
IP RatingNone
Output TypeI2C
Accuracy±0.5°C, ±3% RH at 25°C
Resolution0.01°C, 0.024% RH
Response Time8s
Measurement RangeTemperature: -40 to +80°C, Humidity: 0 to 100% RH
Environmental ParameterTemperature And Humidity
Probe TypeCapacitive
ChipsetAHT21B
Humidity Range0% to 100% RH
Relay OutputNo
Humidity Accuracy±3% RH at 25°C
ProtocolsI2C
Temp Accuracy±0.5°C
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AHT21B Temperature and Humidity Sensor Module
AHT21B Temperature and Humidity Sensor Module
$0.7500
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