SHT31-D SHT31 Humidity and Temperature Sensor Module:
SHT3x-DIS is the next generation of Sensirion’s temperature and humidity sensors. It builds on a new CMOSens® sensor chip that is at the heart of
Sensirion’s new humidity and temperature platform.
The SHT3x-DIS has increased intelligence, reliability and improved accuracy specifications compared to its predecessor. Its functionality includes enhanced signal
processing, two distinctive and user selectable I2C addresses and communication speeds of up to 1 MHz.
The DFN package has a footprint of 2.5 x 2.5 mm 2 while keeping a height of 0.9 mm. This allows for integration of the SHT3x-DIS into a great variety of applications. Additionally, the wide supply voltage range of 2.4 V to 5.5 V guarantees compatibility with diverse assembly situations. All in all, the SHT3x-DIS incorporates 15 years of knowledge of Sensirion, the leader in the humidity sensor industry.
Fully calibrated, linearized, and temperature compensated digital output
Wide supply voltage range, from 2.4 V to 5.5 V
I2C Interface with communication speeds up to 1 MHz and two user selectable addresses
Typical accuracy of 2 %RH and 0.3 °C
Very fast start-up and measurement time
Tiny 8-Pin DFN package
Power supply voltage: 2.4 ~ 5.5V
Energy consumption: 4.8uW (low repeatability, 1 measurement per second)
Operating temperature range: -40 to +125 ° C
RH working range: 0 ~ 100% RH,
RH response time: 8 seconds (τ63%)
Low signal to noise ratio
High signal processing capability
Adaptation and high volume applications
High reliability and long stability
1.1 Recommended Operating Condition
The sensor shows best performance when operated within recommended normal temperature and humidity range of 5 °C – 60 °C and 20 %RH – 80 %RH, respectively. Long-term exposure to conditions outside normal range, especially at high humidity, may temporarily offset the RH signal (e.g. +3%RH after 60h kept at >80%RH). After returning into the normal temperature and humidity range the sensor will slowly come back to calibration state by itself. Prolonged exposure to extreme conditions may accelerate ageing. To ensure stable operation of the humidity sensor, the conditions described in the document “SHTxx Assembly of SMD Packages”, section “Storage and Handling Instructions” regarding exposure to volatile organic compounds have to be met. Please note as well that this does apply not only to transportation and manufacturing, but also to operation of the SHT3x-DIS.
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