Description
The Siemens QAE2020.015 is a precision immersion temperature sensor engineered for reliable fluid temperature measurement in hydronic and HVAC building automation systems. Featuring a Nickel RTD (LG-Ni) element with a 1,000 Ohm resistance at 32°F (0°C), this sensor delivers highly accurate and repeatable output signals for integration with building automation controllers and energy management systems.
The sensor ships complete with a thermowell, allowing for easy installation into pressurized piping systems without draining the line. Its 6-inch probe length provides adequate immersion depth for accurate temperature sensing in a wide range of pipe sizes and flow conditions.
Key Features
- Sensor Type: Nickel RTD (LG-Ni)
- Output Signal: 1,000 Ohm @ 32°F (0°C)
- Temperature Range: 0°F to 250°F (-18°C to 121°C)
- Probe Length: 6 inches
- Thermowell: Included for pressurized pipe installation
- Designed for hydronic heating, cooling, and building automation applications
- Compatible with Siemens building automation and DDC control systems
Application
Ideal for monitoring supply, return, and mixed water temperatures in hydronic heating and cooling systems, chilled water loops, boiler plants, and commercial HVAC applications. The included thermowell simplifies installation and enables sensor replacement without system shutdown.
Specifications
- Brand: Siemens Building Technology
- SKU / Part Number: QAE2020.015
- Sensor Element: Ni RTD (LG-Ni)
- Resistance at 32°F: 1,000 Ohm
- Temperature Range: 0°F – 250°F (-18°C – 121°C)
- Probe Length: 6 inches
- Thermowell: Included







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