HR202 Resistive Humidity Sensor

Specifications:

1. Temperature Measurement:
   • Accuracy: ±0.5°C
   • Measurement Range: -40 to 80°C
   • Resolution: 0.1°C
2. Humidity Measurement:
   • Accuracy: ±2-5% RH (lower accuracy at higher humidity levels)
   • Measurement Range: 0 to 100% RH
   • Resolution: 0.1% RH
3. Power Supply: 3.3V to 6V DC
4. Output: Digital signal (single-wire communication protocol)
5. Dimensions: Standard sensor dimensions, typically around 15mm x 12mm x 5.5mm
6. Response Time: Typically less than 2 seconds
   

Description of Features:

• Accuracy: The HR202 sensor has an accuracy of ±0.5°C for temperature measurements and an accuracy of ±2-5% RH for humidity measurements, depending on the humidity levels.
• Temperature Range: It can measure temperatures ranging from -40 to 80°C.
• Humidity Measurement: Capable of measuring humidity from 0% to 100% RH. The accuracy may vary slightly at higher humidity levels.
• Power Supply: Operates within a voltage range of 3.3V to 6V, making it versatile for different applications.
• Response Time: Provides measurements typically in less than 2 seconds, suitable for applications requiring rapid data acquisition.

Applications:

The HR202 sensor (DHT22) is commonly used in weather monitoring, HVAC systems, industrial automation, and consumer electronics for monitoring temperature and humidity levels. It offers reliable performance with moderate accuracy and low power consumption, suitable for a wide range of applications.

If you're looking to integrate this sensor with an Arduino or other microcontroller, there are libraries and example codes available to facilitate the process.

https://storage.googleapis.com/etystorage/DataSheet/HR202-Datasheet.pdf

Datasheet