Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Model | SHT20 |
| Communication Protocol | I2C / Modbus RS485 |
| Temperature Range | -40°C to +125°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.3°C |
| Humidity Accuracy | ±2% RH |
| Supply Voltage | 3.3V to 5.5V DC |
| Response Time | < 8 seconds (63% RH) |
| Operating Environment | Industrial Grade |
| Package Type | DFN Package Module |
Anonymous
Mar 30, 2026
Rating: 5/5
Excellent value for money
Compared to other industrial sensors, this offers incredible precision at a fraction of the cost. The build quality feels robust.
Anonymous
Mar 30, 2026
Rating: 4/5
Great accuracy, easy I2C setup
Using this with a Raspberry Pi project. The I2C interface was straightforward to implement. Humidity readings seem very responsive to changes in the environment.
Anonymous
Mar 29, 2026
Rating: 5/5
Reliable in harsh conditions
We deployed these in a greenhouse with high humidity levels. After three months, they are still performing within spec without any drift issues.
Anonymous
Mar 24, 2026
Rating: 4/5
Good documentation support
The datasheet provided clear pinout diagrams and timing charts. Got it up and running in our PLC system within an hour.
Anonymous
Mar 22, 2026
Rating: 5/5
Perfect for industrial automation
Integrated this sensor into our warehouse monitoring system. The Modbus RS485 communication is stable and the data readings are consistent with our calibrated reference instruments.
Anonymous
Mar 19, 2026
Rating: 5/5
Stable long-term performance
Been logging data for six months continuously. No failures or significant calibration drift detected. Highly recommended for IoT projects.
Q: Can this sensor operate at 3.3V logic levels?
A: Absolutely. The SHT20 sensor operates comfortably between 3.3V and 5.5V, making it compatible with both 3.3V and 5V microcontrollers.
Q: What is the maximum cable length supported for RS485 communication?
A: Under standard industrial conditions with proper shielding, the RS485 interface supports cable lengths up to 1200 meters at lower baud rates.
Q: Does this module come with pull-up resistors for the I2C lines?
A: Yes, the module includes onboard 4.7kΩ pull-up resistors for both SDA and SCL lines, making it ready to connect directly to your microcontroller.
Q: How often should the sensor be recalibrated?
A: For most industrial applications, the factory calibration holds for several years. We recommend annual verification if used in critical environments.
Q: Is there a library available for Arduino integration?
A: Yes, this sensor is compatible with the standard Adafruit SHT31/SHT20 libraries available in the Arduino Library Manager.
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