Siemens QFA31 Series Temperature & Humidity Sensor, Wall, ±2 %RH Corrugated Cardboard

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Subtotal (1 unit)*

£355.34

(exc. VAT)

£426.41

(inc. VAT)

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  • Ready to ship from 21 April 2026
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1 +£355.34

*price indicative

RS Stock No.:
639-107
Mfr. Part No.:
QFM3171 / BPZ:QFM3171
Brand:
Siemens
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Brand

Siemens

Product Type

Temperature & Humidity Sensor

Sub Type

Room Sensor

Accuracy

±2 %RH

Mount Type

Wall

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

70°C

Minimum Supply Voltage

13.5V

Maximum Supply Voltage

35V

Package Type

Corrugated Cardboard

Height

274mm

Length

80mm

Series

QFA31

Standards/Approvals

RoHS, RCM, EN 60730-1, CE, UL 873

Automotive Standard

No

RoHS Status: Exempt

COO (Country of Origin):
CN
The Siemens Duct sensor designed for precise measurement of both humidity and temperature at 4 to 20 mA), tailored for demanding environmental control applications. It provides reliable real-time data for HVAC systems, ensuring optimal climate regulation and air quality in commercial, industrial, and residential environments. This sensor is built to integrate seamlessly with building automation systems, supporting efficient and energy-saving climate management. Its durable and robust design ensures reliable, long-lasting performance even in challenging and high-demand conditions.

Durable and robust design for long term performance

Capacitive humidity measurement

IP65 protection

RoHS compliant

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