Description
The Siemens QAE2012.010 is a precision immersion temperature sensor engineered for reliable liquid temperature measurement in commercial HVAC and building automation applications. Built on a Pt RTD (Platinum Resistance Temperature Detector) platform with a 1,000 Ohm (385a curve) output signal, this sensor delivers accurate, stable readings across a wide operating range.
Key Features
- Sensing technology: Platinum RTD (Pt RTD) with 1k Ohm / 385a output signal
- Temperature range: 0°F to 250°F (–18°C to 121°C)
- Probe length: 4 inches
- Thermowell included for easy installation and sensor protection
- Connection type: Lead wires for straightforward field wiring
- Designed for immersion in hydronic piping, boiler loops, chilled water systems, and similar liquid-based HVAC applications
Application
The QAE2012.010 is ideal for monitoring supply, return, or mixed water temperatures in hydronic heating and cooling systems. The included thermowell allows the sensor to be inserted into a pipe or vessel without draining the system, simplifying installation and future maintenance. The 385a Pt RTD output is compatible with a wide range of Siemens building automation controllers and third-party BAS systems.
Specifications
- Brand: Siemens Building Technology
- SKU / Part Number: QAE2012.010
- Sensor Type: Pt RTD (Platinum Resistance Temperature Detector)
- Resistance: 1,000 Ohm
- Output Curve: 385a
- Temperature Range: 0°F – 250°F (–18°C – 121°C)
- Probe Length: 4 inches
- Thermowell: Included
- Connection Type: Lead wires







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