Siemens QFA3212.FWSN Room Temperature and Humidity Sensor
The Siemens QFA3212.FWSN is a wall-mounted room temperature and humidity sensor with a digital display and plastic housing. It provides a humidity output of 0 to 10V DC, a temperature accuracy of ±0.54°F, and a…
SKU 3G-OTH-70779
Also listed as: QFA3212FWSN · QFA3212 FWSN · QFA3212-FWSN
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The Siemens QFA3212.FWSN is a wall-mounted room temperature and humidity sensor with a digital display and plastic housing. It provides a humidity output of 0 to 10V DC, a temperature accuracy of ±0.54°F, and a relative humidity accuracy of ±2% of full scale over a 0 to 100% range. This sensor is compatible with LoRaWAN building automation protocols and includes trim rings for installation.
Frequently Asked Questions
What is the Siemens QFA3212.FWSN temperature and humidity sensor used for?
The Siemens QFA3212.FWSN is a wall-mounted room sensor used in building automation systems to monitor temperature and relative humidity. It outputs a 0 to 10V DC humidity signal and communicates via LoRaWAN protocol, making it suitable for HVAC control, energy management, and environmental monitoring in commercial or industrial facilities.
What are the specifications of the Siemens QFA3212.FWSN sensor?
The Siemens QFA3212.FWSN features a digital display, plastic housing, and wall-mount design. It measures temperature from 32°F to 131°F with ±0.54°F accuracy and relative humidity from 0 to 100% with ±2% full-scale accuracy. Humidity output is 0 to 10V DC, and it is compatible with LoRaWAN building automation protocols. Includes trim rings.
Where to buy the Siemens QFA3212.FWSN sensor worldwide?
You can source the Siemens QFA3212.FWSN sensor worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide competitive sourcing for building automation components.
How to install the Siemens QFA3212.FWSN wall-mounted sensor?
Install the Siemens QFA3212.FWSN by mounting it on a wall at typical room height, away from heat sources or drafts. Use the included trim rings for a clean finish. Connect the plug-in electrical terminals per the wiring diagram, ensuring the 0 to 10V DC output is wired to your building automation system. Follow standard low-voltage installation practices.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens room temperature & humidity sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.