Siemens QFA21 Series Temperature & Humidity Sensor, Wall, ±3 %RH Corrugated Cardboard
- RS Stock No.:
- 639-245
- Mfr. Part No.:
- QFM2101 / BPZ:QFM2101
- Brand:
- Siemens
Subtotal (1 unit)*
Kr. 3 113,28
(exc. VAT)
Kr. 3 891,60
(inc. VAT)
FREE delivery for online orders over 750,00 kr
Stocked by manufacturer
- Ready to ship from 18 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | Kr. 3 113,28 |
*price indicative
- RS Stock No.:
- 639-245
- Mfr. Part No.:
- QFM2101 / BPZ:QFM2101
- 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 | ±3 %RH | |
| Mount Type | Wall | |
| Maximum Operating Temperature | 60°C | |
| Minimum Operating Temperature | -15°C | |
| Minimum Supply Voltage | 13.5V | |
| Maximum Supply Voltage | 35V | |
| Package Type | Corrugated Cardboard | |
| Height | 222mm | |
| Standards/Approvals | EN 60730-1, CE, UL 873, RoHS, RCM | |
| Series | QFA21 | |
| Length | 80mm | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Temperature & Humidity Sensor | ||
Sub Type Room Sensor | ||
Accuracy ±3 %RH | ||
Mount Type Wall | ||
Maximum Operating Temperature 60°C | ||
Minimum Operating Temperature -15°C | ||
Minimum Supply Voltage 13.5V | ||
Maximum Supply Voltage 35V | ||
Package Type Corrugated Cardboard | ||
Height 222mm | ||
Standards/Approvals EN 60730-1, CE, UL 873, RoHS, RCM | ||
Series QFA21 | ||
Length 80mm | ||
Automotive Standard No | ||
RoHS Status: Exempted
- COO (Country of Origin):
- CN
The Siemens Duct sensor is specifically designed for measuring humidity with a DC 4 to 20 mA output, ideal for integration into HVAC systems. It provides accurate and reliable data for controlling and monitoring air humidity levels, enhancing the efficiency of ventilation and climate control. The sensor is optimized for use in duct applications, making it perfect for maintaining air quality and comfort in commercial and industrial environments. Its robust and durable design ensures long-term reliability and high performance in demanding conditions.
Durable and robust design for long term performance
It is used as control sensor and limit sensor
IP54 protection
RoHS compliant
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