ข้อมูล DHT22
- Accuracy humidity +-2%RH(Max +-5%RH); temperature +-0.2Celsius
- Resolution or sensitivity humidity 0.1%RH; temperature 0.1Celsius
- Repeatability humidity +-1%RH; temperature +-0.2Celsius
- Humidity hysteresis +-0.3%RH
- Long-term Stability +-0.5%RH/year
- Sensing period Average: 2s
- Interchangeability fully interchangeable
Features :
- 3.3-6V Input
- 1-1.5mA measuring current
- 40-50 uA standby current
- Humidity from 0-100% RH
- -40 - 80 degrees C temperature range
- +-2% RH accuracy
- +-0.5 degrees C
ข้อมุล DHT22 AM2302
Fourth, product parameters
Size: 40 * 23mm
Weight: 4g
Voltage: 5V
Port: digital bidirectional single bus
Temperature range: -40-80 ° ± 0.5 °
Humidity range: 20-90% RH ± 2% RH
Platform: Arduion, single chip
