Siemens Temperature and Humidity Sensor: Wall Mount, 32°F to 131°F, Polycarbonate
The Siemens QFA3212.EWSN is a wall-mounted room temperature and humidity sensor with a plastic housing and no display. It provides a 4 to 20 mA humidity output, a temperature accuracy of ±0.54°F, and a relative…
SKU 3G-OTH-70795
Also listed as: QFA3212EWSN · QFA3212 EWSN · QFA3212-EWSN
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
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Product Description
The Siemens QFA3212.EWSN is a wall-mounted room temperature and humidity sensor with a plastic housing and no display. It provides a 4 to 20 mA humidity output, 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 BACnet MS/TP building automation protocols and includes anchors for installation.
Frequently Asked Questions
What is the Siemens QFA3212.EWSN temperature and humidity sensor used for?
The Siemens QFA3212.EWSN is a wall-mounted room sensor that measures temperature from 32°F to 131°F and relative humidity from 0 to 100%. It outputs a 4 to 20 mA humidity signal and communicates via BACnet MS/TP, making it suitable for building automation systems in commercial HVAC applications.
What are the specifications of the Siemens QFA3212.EWSN sensor?
The Siemens QFA3212.EWSN has a temperature accuracy of ±0.54°F and relative humidity accuracy of ±2% of full scale. It features a polycarbonate plastic housing, no display, plug-in electrical connection, and includes anchors for wall mounting. It is compatible with BACnet MS/TP building automation protocols.
Where to buy the Siemens QFA3212.EWSN worldwide?
3G Electric supplies the Siemens QFA3212.EWSN temperature and humidity sensor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this BACnet MS/TP compatible sensor.
How to install the Siemens QFA3212.EWSN wall mount sensor?
Install the Siemens QFA3212.EWSN by mounting it on a wall at a representative room height, away from direct heat sources or drafts. Use the included anchors for secure attachment. Connect the plug-in terminals per the wiring diagram for BACnet MS/TP communication and 4 to 20 mA humidity output.
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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.
