Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Chip | Sensirion SHT20 |
| Communication Protocol | Modbus RS485 |
| Power Supply | 12-24V DC |
| Temperature Range | -40°C to +80°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.3°C |
| Humidity Accuracy | ±2% RH |
| Response Time | 8 seconds (typical) |
| Housing Protection | IP65 Rated |
| Cable Length | 2 meters shielded |
Anonymous
Apr 10, 2026
Rating: 3/5
Documentation could be better
The sensor itself is accurate, but finding the default Modbus address took some trial and error. Support was helpful eventually.
Anonymous
Apr 04, 2026
Rating: 4/5
Good accuracy, easy setup
Works well for our greenhouse project. Only giving 4 stars because the wiring diagram could be clearer, but once connected it performs reliably.
Anonymous
Mar 22, 2026
Rating: 5/5
Industrial quality build
Robust housing and stable data output. We are using several of these across our warehouse and haven't had a single dropout.
Anonymous
Mar 09, 2026
Rating: 5/5
Perfect for HVAC monitoring
Installed this module in our server room monitoring system. The Modbus integration was straightforward and the readings match our calibrated handheld devices.
Anonymous
Jan 31, 2026
Rating: 5/5
Reliable data logging
Using this for environmental logging in a storage facility. Humidity readings are consistent and the RS485 connection is very stable over long distances.
Q: Can this module operate on 5V power?
A: No, this industrial transmitter requires a power input between 12V and 24V DC to ensure stable RS485 communication.
Q: Can I connect multiple modules on the same bus?
A: Yes, you can daisy-chain multiple modules. Each device must have a unique Modbus slave address configured before installation.
Q: Is this suitable for outdoor installation?
A: Yes, the IP65 housing protects against dust and water jets, making it suitable for outdoor use provided the cable entries are sealed properly.
Q: Does it come with a calibration certificate?
A: Each unit is factory calibrated. A general compliance certificate is included, but individual traceable calibration is available upon request.
Q: What is the maximum cable length for RS485?
A: RS485 can support up to 1200 meters depending on baud rate and cable quality. We recommend using shielded twisted pair cable.
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