Features:
1. Fully calibrated, linear and temperature compensated analog output 
2. Wide supply voltage range, from 2.4 to 5.5 V 
3. I2C interface with communication speed up to 1MHz and two user-selectable addresses 
4. Typical accuracy is ±2%RH and ± 0.3°C 
5. Fast start-up and measurement time 
6. I2C address (7 bits) can be 0x44 or 0x45 
7. The ALERT pin allows the alarm mode to be used as a humidity and temperature watchdog 
 
Technical details: 
1. Sensor manufacturing #SHT31-DIS 
2. Power supply voltage range: 2.4 to 5.5V (typical value 3.3V) 
3. RH response time: 0-100%RH 
4. Temperature operating range: -40 to + 125 °C (-40 to +257 °F)
5. Accuracy tolerance: ±2%; RH ±0.3℃ 
6. Interface: I2C
 
Recources:
1. Interfacing SHT31 Temperature & Humidity Sensor with Arduino
2. SHT31 Sensor Module Introduction