Description
The Siemens 544-342-16 is a precision duct-mount temperature sensor engineered for building automation and HVAC air-handling applications. Utilizing a Platinum RTD (Pt 1k Ohm) sensing element, this sensor delivers highly accurate and stable temperature readings across a wide operating range, making it an ideal choice for commercial air distribution systems, AHUs, and BAS integration.
The 16-foot flexible probe design allows for easy routing and installation within ductwork of varying configurations, while the lead wire connection type ensures straightforward field wiring without the need for a display or local readout — perfect for centralized monitoring and control systems.
Key Features
- Sensing Technology: Platinum RTD (Pt), 1k Ohm resistance element
- Output Signal: 375a
- Temperature Range: -40°F to 180°F (-40°C to 82°C)
- Probe Length: 16 feet (flexible)
- Connection Type: Leads (no display)
- Application: Duct air temperature sensing for building automation systems
Why Choose the Siemens 544-342-16?
- Platinum RTD technology ensures long-term accuracy and repeatability
- 1k Ohm element provides high sensitivity and noise resistance over long wire runs
- Wide temperature range covers typical HVAC duct operating conditions
- 16-foot flexible probe simplifies installation in hard-to-reach duct locations
- Lead wire termination integrates cleanly with building automation controllers
- No local display keeps installation clean and cost-effective for centralized BAS monitoring
Typical Applications
- Supply and return air temperature measurement in commercial ductwork
- Air handling unit (AHU) temperature monitoring
- Building automation system (BAS) integration
- Mixed-air and discharge air sensing







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