Description
Siemens QAE2030.005 Immersion Temperature Sensor Overview
The Siemens QAE2030.005 is a precision immersion temperature sensor engineered for reliable liquid temperature measurement in commercial and industrial HVAC and building automation applications. Featuring a 10k Ohm Type 2 thermistor output signal, this sensor delivers accurate, repeatable readings that integrate seamlessly with building automation systems (BAS) and energy management systems (EMS).
Key Features
- 10k Ohm Type 2 thermistor output signal for high accuracy and compatibility with major BAS platforms
- Temperature measurement range: 0°F to 250°F (-18°C to 121°C)
- 2.5-inch probe length for installation in standard pipe sizes and hydronic systems
- Thermowell included — allows sensor removal and replacement without draining the system
- Designed for immersion in water, glycol solutions, and other compatible hydronic fluids
- Compact, durable construction suited for commercial building automation environments
- Siemens Building Technology quality and engineering reliability
Technical Specifications
- SKU / Part Number: QAE2030.005
- Brand: Siemens Building Technology
- Sensor Type: Immersion Temperature Sensor
- Output Signal: 10k Ohm Type 2 Thermistor
- Temperature Range: 0°F to 250°F (-18°C to 121°C)
- Probe Length: 2.5 inches
- Thermowell: Included
Typical Applications
- Hydronic heating and cooling systems
- Chilled water and hot water piping loops
- Boiler supply and return temperature monitoring
- Building automation and energy management systems
- Commercial HVAC controls integration







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