Description
The Siemens QAC3171 is a professional-grade outdoor temperature sensor engineered for building automation and HVAC control applications. Featuring a reliable 4-20mA analog output signal, this sensor integrates seamlessly with building management systems (BMS), DDC controllers, and energy management platforms to deliver accurate real-time outdoor temperature data.
Key Features
- 4-20mA output signal for long-distance, noise-immune signal transmission
- Wide temperature sensing range: -58°F to 122°F (-50°C to 50°C)
- Terminal block connection for fast, secure field wiring
- No display — clean, low-profile design suited for outdoor mounting
- Designed for outdoor installation in demanding environmental conditions
- Compatible with Siemens Building Technology BMS and third-party DDC systems
Technical Specifications
- Output Signal: 4-20mA
- Temperature Range: -58°F to 122°F (-50°C to 50°C)
- Connection Type: Terminal Block
- Display: None
- Application: Outdoor ambient temperature sensing
- Brand: Siemens Building Technology
- SKU: QAC3171
Applications
- Outdoor air temperature monitoring for AHU economizer control
- Building automation and energy management systems
- Reset control for heating and cooling plants
- HVAC system optimization based on outdoor ambient conditions
The QAC3171’s 4-20mA current loop output ensures accurate signal transmission over long cable runs without voltage drop concerns, making it an ideal choice for large commercial and industrial facilities. The terminal block connection simplifies installation and maintenance, while the rugged housing is built to withstand outdoor exposure across a broad temperature range.
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