Description
The Siemens Building Technology QAA22SS.EWSN is a precision room temperature sensor engineered for commercial and light industrial building automation applications. Designed to deliver reliable, accurate ambient temperature readings, this sensor integrates seamlessly with building management systems (BMS) and direct digital control (DDC) environments.
Selectable Output Signal
One of the standout features of the QAA22SS.EWSN is its user-selectable output signal, allowing installers to configure the sensor to match the requirements of the connected controller without the need for additional signal conditioning hardware.
- 0–10 Vdc output signal
- 4–20 mA output signal
- Field-selectable output — choose the signal type that best suits your system
Temperature Range
- Operating range: 32°F to 122°F (0°C to 50°C)
- Suitable for standard occupied space temperature monitoring
Connection & Installation
- Terminal block connection type for secure, professional wiring
- Compact wall-mount design for unobtrusive room installation
- Straightforward wiring reduces installation time and potential for error
Applications
- Commercial office spaces and multi-zone HVAC systems
- Building automation and energy management systems
- VAV (Variable Air Volume) control systems
- Fan coil unit and AHU control loops
Why Choose the Siemens QAA22SS.EWSN?
Siemens Building Technology products are trusted by HVAC professionals worldwide for their durability, accuracy, and compatibility with open-protocol building automation platforms. The QAA22SS.EWSN simplifies system design with its dual-output flexibility, making it an ideal choice for new installations and retrofit projects alike.
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