Siemens QFA31 Series Temperature & Humidity Sensor, Wall, ±2 %RH Corrugated Cardboard
- RS Stock No.:
- 639-107
- Mfr. Part No.:
- QFM3171 / BPZ:QFM3171
- Brand:
- Siemens
Subtotal (1 unit)*
£355.34
(exc. VAT)
£426.41
(inc. VAT)
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- Shipping from 23 March 2026
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Units | Per unit |
|---|---|
| 1 + | £355.34 |
*price indicative
- RS Stock No.:
- 639-107
- Mfr. Part No.:
- QFM3171 / BPZ:QFM3171
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| 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 | |
| RH Range | 0 to 100 % | |
| Package Type | Corrugated Cardboard | |
| Length | 80mm | |
| Standards/Approvals | RoHS, RCM, EN 60730-1, CE, UL 873 | |
| Width | 60 mm | |
| Series | QFA31 | |
| Height | 274mm | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
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 | ||
RH Range 0 to 100 % | ||
Package Type Corrugated Cardboard | ||
Length 80mm | ||
Standards/Approvals RoHS, RCM, EN 60730-1, CE, UL 873 | ||
Width 60 mm | ||
Series QFA31 | ||
Height 274mm | ||
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