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Gravity AHT20 Temperature and Humidity Sensor

SKU:

25-00016205

Part Number: SEN0528

CompanyDFRobot Part NumberSEN0528

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Description
Specifications

The AHT20 is a high-precision but low-cost temperature and humidity sensor, which is equipped with an improved MEMS semiconductor capacitive humidity sensor element. It features standard I2C interface and a wide voltage supply of 2V-5V. And with the simple peripheral circuit, it performs stably even in harsh environments in the measuring range of -40℃ ~ ＋85℃.

This sensor can be widely used for measuring the environmental temperature and humidity of home electronic equipment, the temperature and humidity of automobiles, and so on.

Connection Diagram

Module Parameters
- Operating Voltage: DC2V-5V
- Output Signal: I2C
- I2C Address: 0x38
- Dimension: 30x20.5mm
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