Siemens QFA41 Series Temperature & Humidity Sensor, Wall, ±2 %RH Corrugated Cardboard
- RS Stock No.:
- 639-112
- Mfr. Part No.:
- QFM4171 / BPZ:QFM4171
- Brand:
- Siemens
Subtotal (1 unit)*
£958.89
(exc. VAT)
£1,150.67
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 20 October 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £958.89 |
*price indicative
- RS Stock No.:
- 639-112
- Mfr. Part No.:
- QFM4171 / BPZ:QFM4171
- 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 | |
| Package Type | Corrugated Cardboard | |
| RH Range | 0 to 100 % | |
| Standards/Approvals | EN 60730-1, RCM, UL 873, RoHS, CE | |
| Width | 60mm | |
| Length | 80mm | |
| Series | QFA41 | |
| 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 | ||
Package Type Corrugated Cardboard | ||
RH Range 0 to 100 % | ||
Standards/Approvals EN 60730-1, RCM, UL 873, RoHS, CE | ||
Width 60mm | ||
Length 80mm | ||
Series QFA41 | ||
Height 274mm | ||
Automotive Standard No | ||
RoHS Status: Exempt
- COO (Country of Origin):
- CH
The Siemens duct sensor designed for precise measurement of both humidity and temperature at 4 to 20 mA, making it ideal for HVAC and environmental monitoring applications. Supplied with a calibration certificate, it ensures the accuracy and reliability of its measurements for demanding environments. This sensor is perfect for use in commercial, industrial, and residential systems, providing real-time data to optimize climate control and air quality.
Durable and robust design for long term performance
IP65 protection
RoHS compliant
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