Relative humidity sensor DHT31

built-indew-point4-20 mA

±2% (0-100%RH) IIC Digital humidity and temperature sensor with pin-type DHT31 humidity and temperature sensor is designed for mass production with high process capability, high signal-to-noise ratio, high reliability and long-term stability. It builds on a new sensor chip which has increased intelligence and improved accuracy specifications of 2 %RH and 0.2°C. Its functionality includes enhanced signal processing, two distinctive and user selectable I2C addresses and communication speeds of up to 1 MHz.Additionally, the wide supply voltage range of 2.15 V to 5.5 V guarantees compatibility with diverse assembly situations. Relative Humidity Measurement Performance Measurement Range: - 0 ~ 100 %RH; Accuracy at 0~90%RH@+25 °C(+77 °F): ±2%RH（0%RH…90%RH） Response time (T63): - ≤8 s Long - term drift: <0.25%RH/year Temperature Measurement Performance Measurement Range: -40 ~ +120 °C (-40 ~ 248 °F) Accuracy at 0 ~ 90 °C(32 ~194 °F): ±0.2°C (31.64 ~ 32.36 °F) Response time (T63): ＞2 s Long Term Drift: <0.03°C (32.054 °F)/year