The DHT22 Temperature and Humidity Sensor is an advanced sensor module that provides calibrated digital signal output for temperature and humidity detection.
It is highly reliable and stable for long-term operation, featuring an 8-bit microprocessor for fast and accurate response.
The sensor measures temperature from -40°C to 80°C with ±1°C accuracy, and humidity from 0–100% RH with ±5% RH accuracy. Due to the sensor’s data acquisition period, readings are obtained at 2-second intervals. Compared to other DHT models, the DHT22 is slightly larger in size.
Features:
- High-performance model from the DHT series
- Digital output
- Operating Voltage: 3.3–5 VDC
- Measurement Range:
- Humidity: 0–100% RH
- Temperature: -40–80°C
- Accuracy:
- Humidity: ±3% RH (Max ±5% RH)
- Temperature: < ±1°C