Product Description:
The DHT22 is a highly accurate digital sensor designed to measure both temperature and relative humidity. It offers superior performance compared to its predecessor, the DHT11, with a wider temperature range and improved accuracy. The DHT22 employs advanced digital signal processing techniques to ensure reliable and precise measurements.
Specifications:
| Specification | Value |
|---|---|
| Sensor Type | Digital Temperature and Humidity Sensor |
| Operating Voltage | 3.3V - 5.5V DC |
| Operating Current | <2mA |
| Temperature Range | -40°C to +80°C |
| Humidity Range | 0-100% RH |
| Temperature Resolution | 0.1°C |
| Humidity Resolution | 0.1% RH |
| Response Time | 2 seconds |
| Dimensions (Approx.) | 23mm x 12mm x 10mm |
| Weight (Approx.) | 2g |
Applications and Project Ideas:
- Environmental Monitoring:
- Indoor air quality monitoring
- Greenhouse climate control
- Weather stations
- Data center monitoring
- Health and Wellness:
- Personal health tracking
- Smart home automation
- Elderly care monitoring
- Industrial Applications:
- Manufacturing process control
- Food storage monitoring
- HVAC systems
- Research and Development:
- Climate research
- Agricultural research
- Material science research
NOTE: If you're looking for a lower cost, less precise alternative, The DHT11 might be a better choice for you.
Package Includes:
1x DHT22 Temperature/RH Sensor