SHT31 Outdoor Temperature & Humidity I2C Sensor (-40℃~125℃) with 1M Cable
The SHT31 Outdoor Temperature & Humidity I2C Sensor is elegantly housed within a weather-resistant enclosure that balances durability and sensitivity. Its compact, sealed form factor protects the delicate sensor elements from splashes and dust while maintaining responsiveness to ambient air changes. A modest 1 m cable extends the sensor from its electronics board, allowing flexible placement in outdoor environments away from control hardware, yet still preserving signal integrity.
Beneath the protective casing lies a high-precision Sensirion SHT31 core, capturing both temperature and humidity with rapid sampling and stable readings. The sensor’s internal calibration ensures accuracy over a wide thermal range, making it suitable for extremes from frigid cold to intense heat. Its interface is digital (I²C), simplifying integration with modern microcontrollers and reducing the complexity of signal conditioning. This digital link helps minimize noise and ensures consistent data transfer even over longer cable runs.
Installed, the sensor blends utility and reliability: it endures outdoor conditions, reliably reports environmental data, and fits seamlessly into automated systems or standalone monitoring units. The rugged enclosure ensures long-term stability with minimal drift, while the combination of compactness and cable reach offers flexibility in mounting. Whether perched beneath a protective overhang or within a ventilated housing, this sensor becomes an invisible but trustworthy sentinel of ambient temperature and humidity.
Features:
- Weather-proof / water-resistant enclosure.
- Fully digital output via I²C.
- Internal factory calibration.
- Low power consumption.
- Fast response to environmental changes.
- Compatible with both 2.4 V and 5.5 V systems.
- Noise-resistant digital interface.
- Stable long-term performance.
Specifications:
| Parameter | Value / Range |
|---|---|
| Temperature range: | –40 °C to +125 °C |
| Temperature typical accuracy: | ±0.2 °C (over 0 °C to 90 °C) |
| Humidity range: | 0 %RH to 100 %RH |
| Humidity typical accuracy: | ±2 %RH |
| Supply voltage: | 2.4 V to 5.5 V |
| Operating current: | <1.5 mA |
| Communication interface: | I²C |
| Cable length: | ~1 m |
Pinout:
| Color | Name | Description |
|---|---|---|
| Red | VCC | + |
| Black | GND | – |
| Green | SDA | Data line |
| Yellow | SCL | Clock line |
Application:
- Weather and climate monitoring.
- Greenhouse / agricultural control.
- Smart home environmental sensing.
- HVAC / building automation.
- IoT environmental nodes.
- Data logging & meteorology.
Package Contents:
- 1x SHT31 Outdoor Temperature & Humidity I2C Sensor (-40℃~125℃) with 1M Cable
