The QFM3160 duct sensor is used for relative humidity (high precision) and temperature. It works at AC 24 V or DC 13.5.35 V, and has a measurement range of 0-100% relative humidity. It is used in storage and production workshops, laboratories, hospitals, computers, electronic processing centers, indoor swimming pools, greenhouses, etc.
The Siemens QFM3160 is a high‑accuracy duct‑type sensor for measuring relative humidity and temperature in HVAC applications. It provides a linear DC 0‑10 V output for both humidity (0‑100 % r.h.) and temperature (various selectable ranges).
The manual includes technical design details, installation instructions, wiring diagrams, safety notes, and full technical specifications such as voltage requirements, measurement ranges, accuracies, and environmental ratings. This manual is written in Chinese.
| Working voltage | AC 24 V ±20 % or DC 13.5‑35 V |
|---|---|
| Humidity measurement range | 0‑100 % r.h. |
| Humidity accuracy | ±2 % (23 °C, 0‑100 % r.h.) |
| Temperature measurement ranges | -35…+35 °C (R1), 0…50 °C (R2, default), 0…70 °C (R3) |
| Temperature accuracy | ±0.6 K (15‑35 °C) / ±0.8 K (‑35…+70 °C) |
| Output signal (humidity) | DC 0‑10 V |
| IP rating | IP65 |
The sensor can be powered from AC 24 V ±20 % or DC 13.5‑35 V.
The humidity accuracy is ±2 % over the range 0‑100 % r.h. at 23 °C.