Swiss Sensirion Digital Temperature Sensor - SHT31
The SHT31 is built on a new and optimized CMOSens® chip, further improving product reliability and accuracy specifications. The SHT3x series offers a range of new features such as enhanced signal processing, two unique and user-selectable I2C addresses, an alarm mode with programmable temperature and humidity limits, and communication speeds up to 1 MHz.
Product Introduction
Swiss Sensirion Digital Temperature Sensor SHT31 Product Description:
The new digital humidity sensor SHT3x series takes sensor technology to a new level. As the successor to theSHT2xseries, it will define the next industry standard for humidity sensing. The SHT3x humidity sensor series includes a low-cost versionSHT30, a standard versionSHT31, and a high-end versionSHT35. The SHT3x humidity sensor series combines multiple functions and various interfaces (I2C, analog voltage output), is application-friendly, and has a wide operating voltage range (2.4 to 5.5 V), suitable for various applications.
The SHT31 is built on a new and optimizedCMOSens® chip, further improving product reliability and accuracy specifications. The SHT31 offers a range of new features such as enhanced signal processing, two unique and user-selectable I2C addresses, an alarm mode with programmable temperature and humidity limits, and communication speeds up to 1 MHz.
The DFN package occupies an area of 2.5 × 2.5 mm2 with a height of 0.9 mm. This facilitates the integration of the SHT31 into various applications. Additionally, the wide supply voltage range of 2.4 to 5.5 V and multiple selectable interfaces ensure compatibility with different integration requirements. In summary, the SHT31 humidity sensor series incorporates Sensirion's 15 years of industry experience and effort, making it a highly cost-effective product.
Swiss Sensirion Digital Temperature Sensor SHT31 Product Features:
SHT31 Humidity Sensor
LCD displays temperature (℃ and ℉), humidity, and dew point
Connects to iOS and Android smartphones via low-power Bluetooth
Connects to iOS and Android smartphones via Bluetooth Low Energy (BLE)
Can use corresponding apps provided by iOS and Android
Has data logging function
Complete hardware, firmware, and software design resources
Swiss Sensirion Digital Temperature Sensor SHT31 Product Parameters:
| Model |
SHT31 |
| Dimensions |
2.5 x 2.5 x 0.9 mm |
| Output |
I²C, voltage output |
| Supply voltage range |
2.4 - 5.5 V |
| Energy consumption |
4.8µW (at 2.4 V, low repeatability, 1 reading/s) |
| Humidity operating range |
0 - 100% RH |
| Temperature operating range |
-40°C - 125°C (-40°F - 257°F) |
| Humidity response time |
8 seconds (tau63%) |