DFRobot Gravity: AHT20 Temperature and Humidity Sensor

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 a 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.

Features:

1. Digital output, I2C interface
2. Excellent long-term stability
3. Fast response, strong anti-interference, and adaptability
4. Gravity interface, simple wiring, no soldering required

Specifications:

1. Operating Voltage: DC2V-5V
2. Output Signal: I2C
3. I2C Address: 0x38
4. Dimension: 30mm×20.5mm/1.18×0.81″
5. Resolution: 0.024 %RH
6. Accuracy Error: ±2 %RH
7. Repeatability: ±0.1 %RH
8. Hysteresis: ±1 %RH
9. Non-linear: ±0.1 %RH
10. Response Time: 8S
11. Operating Range: 0~100 %RH
12. Long-term Drift: ＜0.5 %RH/yr
13. TEMP Resolution: 0.01℃
14. TEMP Accuracy Error: ±0.3℃
15. TEMP Repeatability: ±0.1℃
16. Hysteresis: ±0.1℃
17. Response Time: minimum 5S, maximum 30S
18. Operating Range: -40℃~85℃
19. Long-term Drift: ＜0.04℃/yr

Package Includes:

1 x DFRobot Gravity AHT20 Temperature and Humidity Sensor

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