A
Anonymous
Apr 12, 2026
Rating: 4/5
Good Value
Readings match our calibrated meter. Wish it came with a longer probe option for deeper ducts.
Description
Air duct temperature and humidity sensor, pipeline transmitter, 0-10V/4-20mA/RS485 high precision
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Temperature Range | -40°C to 80°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.3°C @ 25°C |
| Humidity Accuracy | ±2% RH @ 25°C |
| Output Signals | 0–10 V, 4–20 mA, RS485 |
| Power Supply | 24 VAC/VDC ±10% |
| Probe Length | 200 mm Stainless Steel |
| Housing Material | ABS Plastic & Aluminum |
| Protection Rating | IP65 (Housing) |
| Communication Protocol | Modbus RTU over RS485 |
5 reviews
A
Anonymous
Mar 26, 2026
Rating: 4/5
Solid Unit
Performance is good. The manual could be more detailed on dip switch settings for output selection.
A
Anonymous
Mar 17, 2026
Rating: 5/5
Robust Build
Survived high airflow conditions without vibration issues. Housing feels very durable.
A
Anonymous
Mar 11, 2026
Rating: 5/5
Great Accuracy for HVAC
Installed these in our commercial unit. RS485 integration was seamless with our BMS system. Readings are stable.
A
Anonymous
Jan 24, 2026
Rating: 5/5
Easy Install
Wiring was straightforward with the provided diagram. The 4-20mA output is very stable.
5 FAQ
Q: Does it come with a calibration certificate?
A: Yes, a standard factory calibration report is included with each unit.
Q: Can I change the probe length?
A: The standard length is 200mm. Custom lengths may be available upon request.
Q: How is it mounted in the duct?
A: It uses a standard compression fitting or flange mount included in the package.
Q: What is the power consumption?
A: Typical consumption is less than 1W depending on the output signal selected.
Q: Is this compatible with Siemens PLCs?
A: Yes, it supports Modbus RTU over RS485 which is compatible with most Siemens PLCs.
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