Description:
The AHT20 is a cutting-edge digital temperature and humidity sensor module that leverages an upgraded MEMS semiconductor capacitive sensing element for superior accuracy and stability. This sensor features a standard I2C communication interface, enabling seamless integration with microcontrollers and other digital systems. Its wide operating voltage range (2V—5V) and low power consumption make it suitable for battery-powered and embedded applications.
The AHT20 delivers precise temperature and humidity measurements across a wide range of -40℃ to +85℃, making it ideal for applications requiring robust environmental sensing, including HVAC systems, data loggers, and industrial automation.
Specifications:
Module Parameters
- Operating Voltage: DC2V-5V
- I2C Address: 0x38
- Output Signal: I2C
- Dimension: 30mm×20.5mm/1.18×0.81"
AHT20 Chip Parameters
Relative Humidity
- Resolution: 0.024 %RH
- Accuracy Error: ±2 %RH
- Repeatability: ±0.1 %RH
- Hysteresis: ±1 %RH
- Non-linear: ±0.1 %RH
- Response Time: 8S
- Operating Range: 0~100 %RH
- Long-term Drift: ＜0.5 %RH/yr
Temperature
- Resolution: 0.01℃
- Accuracy Error: ±0.3℃
- Repeatability: ±0.1℃
- Hysteresis: ±0.1℃
- Response Time: minimum 5S, maximum 30S
- Operating Range: -40℃~85℃
- Long-term Drift: ＜0.04℃/yr
Features:
- Standard digital communication.
- Long-term accuracy.
- Fast response, interference resistant.
- Easy, plug-and-play wiring.
Applications:
- HVAC
- Dehumidifier
- Testing Equipment
- Consumer Appliances
- Automobiles
- Automatic Control
- Data Loggers
- Weather Control
Documents:
Package Included:
1 x DFRobot Gravity AHT20 Temperature And Humidity Sensor
