Description
The AHT20 is a reliable and cost-effective temperature and humidity sensor that features a high-quality MEMS semiconductor capacitive humidity sensor element. It has a standard I2C interface and can be used with a wide range of voltage supplies (between 2V and 5V). The sensor is able to operate consistently in harsh environments and has a temperature measurement range of -40C to 85C. Its simple peripheral circuit makes it suitable for various applications, including monitoring the temperature and humidity in home electronics and automobiles.
Features
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Digital output, I2C interface
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Excellent long-term stability
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Fast response, strong anti-interference, and adaptability
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Gravity interface, simple wiring, no soldering required
Specifications
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
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Resolution: 0.01C
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Accuracy Error: +-0.3C
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Repeatability: +-0.1C
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Hysteresis: +-0.1C
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Response Time: minimum 5S, maximum 30S
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Operating Range: -40~85C
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Long-term Drift: ＜0.04C/yr
Package Contents
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Gravity: AHT20 Temperature and Humidity Sensor x 1
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Gravity-4P I2C/UART Sensor Cable x 1
Resources
Connection Diagram
