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SiemensDuct Temperature & Humidity Sensors

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

The SIEMENS QFM3171D is a duct-mounted humidity and temperature sensor with a digital display and plastic housing. It provides a 4 to 20 mA humidity output, a temperature accuracy of ±0.50 K, and a relative humidity…

SKU 3G-OTH-68756

Brand

Siemens

Item

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

Category

Duct Temperature & Humidity Sensors

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Technical Specifications

Siemens

Manufacturer Part Number

QFM3171D 

Type

Digital, 32°F to 122°F, Polycarbonate, Plastic 

Display

Digital Display 

Housing

Plastic 

Product Type

Duct Temperature and Humidity Sensor 

Humidity Output

4 to 20 mA 

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

MP-Bus 

For Use With Building Automation Systems

Building Automation System Compatible 

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Siemens Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS QFM3171D is a duct-mounted humidity and temperature sensor with a digital display and plastic housing. It provides a 4 to 20 mA 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 MP-Bus building automation protocols.

Used in

Common applications for Siemens

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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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Humidity and Temperature Sensor: Duct Mount, 32°F to 122°F, Polycarbonate, Single Measurement (MPN QFM3171). Key specifications — Humidity Output: 4 to 20 mA; Relative Humidity Accuracy: ±5% of Full Scale; Compatible Building Automation Protocols: BACnet MS/TP; For Use With Building Automation Systems: Building Automation System Compatible; Relative Humidity Range: 0 to 100%; Product Type: Duct Temperature and Humidity Sensor; Brand: SIEMENS; Electrical Connection Type: Screw Terminals.

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