Description
The Siemens QAC2012U is a precision outdoor platinum temperature sensor designed for building automation and HVAC control applications. Featuring a 1000 ohm platinum (Pt1000) sensing element, this sensor delivers highly accurate and stable temperature readings in demanding outdoor environments, making it an ideal choice for energy management, reset control, and weather-compensated heating and cooling strategies.
Key Features
- 1000 ohm platinum (Pt1000) resistive sensing element for high accuracy and long-term stability
- Designed for outdoor installation — suitable for exposed exterior wall mounting
- Compatible with Siemens Building Technologies controllers and building automation systems (BAS)
- Durable housing engineered to withstand harsh outdoor weather conditions
- Provides reliable ambient outdoor temperature data for reset and economizer control strategies
- Low-maintenance design with no field calibration required
Applications
- Outdoor air temperature sensing for building automation systems
- Weather-compensated heating and cooling reset control
- Energy management and HVAC optimization
- Economizer and free-cooling control strategies
- Commercial and light industrial HVAC systems
Why Choose the Siemens QAC2012U?
The QAC2012U leverages the proven accuracy of platinum resistance temperature detection (RTD) technology. Unlike thermistor-based sensors, the Pt1000 element offers a highly linear output over a wide temperature range, minimizing measurement error and simplifying integration with Siemens and compatible BAS controllers. Its rugged outdoor enclosure protects the sensing element from moisture, UV exposure, and temperature extremes, ensuring consistent performance season after season.
Specifications
- SKU: QAC2012U
- Brand: Siemens Building Technologies
- Sensor Type: Platinum RTD (Pt1000)
- Resistance at 0°C: 1000 ohm
- Mounting: Outdoor wall-mount
- Application: Outdoor ambient temperature sensing
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