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SiemensDuct Temperature & Humidity Sensors

Siemens Humidity and Temperature Sensor: Duct Mount, 32°F to 122°F, Polycarbonate

The Siemens QFM3160 is a duct-mounted temperature and humidity sensor with a plastic housing and no display. It provides a 0 to 10V DC humidity output, a temperature accuracy of ±0.50 K, and a relative humidity…

SKU 3G-OTH-68839

Also listed as: QFM 3160 · QFM-3160

Brand
Siemens
Item
Humidity and Temperature Sensor: Duct Mount, 32°F to 122°F, Polycarbonate
Category
Duct Temperature & Humidity Sensors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
QFM3160
Type
32°F to 122°F, Polycarbonate, Single Measurement
Display
No Display
Housing
Plastic
Product Type
Duct Temperature and Humidity Sensor
Humidity Output
0 to 10V DC
Mounting Location
Duct Mount
Temperature Accuracy
±0.50 K
Relative Humidity Range
0 to 100%
Electrical Connection Type
Screw Terminals
Relative Humidity Accuracy
±5% of Full Scale
Compatible Building Automation Protocols
BACnet IP
For Use With Building Automation Systems
Building Automation System Compatible

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens QFM3160 is a duct-mounted temperature and humidity sensor with a plastic housing and no display. It provides a 0 to 10V DC humidity output, a temperature accuracy of ±0.50 K, and a relative humidity accuracy of ±5% of full scale over a 0 to 100% range. The sensor uses screw terminals and is compatible with BACnet IP building automation systems.

Frequently Asked Questions

What is the Siemens QFM3160 duct sensor used for?

The Siemens QFM3160 is used for measuring temperature and relative humidity in HVAC ducts. It provides a 0 to 10V DC humidity output and is compatible with BACnet IP building automation systems, making it suitable for commercial and industrial HVAC monitoring and control applications.

What are the specifications of the Siemens QFM3160?

The Siemens QFM3160 measures temperature from 32°F to 122°F with ±0.50 K accuracy and relative humidity from 0 to 100% with ±5% full-scale accuracy. It has a polycarbonate housing, screw terminals, no display, and outputs 0 to 10V DC for humidity. It is BACnet IP compatible.

Where to buy the Siemens QFM3160 worldwide?

You can source the Siemens QFM3160 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens components for building automation systems.

How to install the Siemens QFM3160 duct sensor?

Mount the Siemens QFM3160 in a duct using the provided flange. Connect wires to the screw terminals per the wiring diagram, ensuring the 0 to 10V DC output is wired to the BACnet IP controller input. Avoid locations with condensation or extreme vibration. Follow Siemens installation guidelines for best accuracy.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens duct temperature & humidity sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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