Siemens QFA20 Series Temperature & Humidity Sensor, Wall, ±3 %RH Corrugated Cardboard
- RS Stock No.:
- 639-233
- Mfr. Part No.:
- QFA2050D/MO / S55720-S509
- Brand:
- Siemens
Subtotal (1 unit)*
Kr. 3 983,52
(exc. VAT)
Kr. 4 979,40
(inc. VAT)
FREE delivery for online orders over 500,00 kr
Temporarily out of stock
- Shipping from 23 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | Kr. 3 983,52 |
*price indicative
- RS Stock No.:
- 639-233
- Mfr. Part No.:
- QFA2050D/MO / S55720-S509
- 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 | |
| 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 % | |
| Height | 100mm | |
| Length | 90mm | |
| Width | 36 mm | |
| Series | QFA20 | |
| Standards/Approvals | CE, IEC 60721-3-3, RCM, IEC 60721-3-2, EAC, UL 873 | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Temperature & Humidity Sensor | ||
Sub Type Room Sensor | ||
Accuracy ±3 %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 % | ||
Height 100mm | ||
Length 90mm | ||
Width 36 mm | ||
Series QFA20 | ||
Standards/Approvals CE, IEC 60721-3-3, RCM, IEC 60721-3-2, EAC, UL 873 | ||
Automotive Standard No | ||
RoHS Status: Exempted
- COO (Country of Origin):
- CN
The Siemens Room sensor designed to measure both humidity and temperature, featuring a built-in display for real-time environmental data. Utilizing the Modbus communication protocol, it allows for seamless integration into building automation systems, providing precise monitoring and control. This sensor is ideal for optimizing indoor climate conditions in a variety of settings, including offices, commercial spaces, and industrial environments. The display provides immediate access to data, offering convenience and enhanced usability for operators.
Accurate Relative humidity measuring
IP30 protection
CE and EAC compliant
RoHS compliant