Description
The AHT20 is a new-generation digital temperature and humidity sensor offering reliable performance, fast response, and fully calibrated I²C output. It integrates a capacitive humidity sensing element and a high-precision temperature sensor in a compact, low-power package ideal for IoT and automation systems.
Key Features
- Digital I²C Output: No analog conversion needed
- Fully Calibrated: Factory tested for accuracy
- High Precision: ±2% RH and ±0.3 °C typical accuracy
- Compact Design: Small footprint for tight spaces
- Fast Response: Real-time environmental monitoring
- Low Power: Efficient for battery-powered applications
- Strong Stability: Resistant to drift and interference
Specification
- Model: AHT20
- Supply Voltage: 2.2V – 5.5V
- Humidity Range: 0 – 100% RH
- Temperature Range: -40°C to +85°C
- Humidity Accuracy: ±2% RH (typical)
- Temperature Accuracy: ±0.3°C (typical)
- Interface: I²C (address: 0x38)
- Response Time: <8 seconds (typical)
- Dimensions: ~16 mm × 10 mm (module form)
- Weight: ~2 g
Application
- Indoor climate control systems
- IoT environmental sensing
- HVAC automation
- Weather stations
- Smart agriculture and greenhouses
- Health and wellness devices