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Rosemount™ 65 RTD Temperature Sensor
As an industry-standard Pt-100 resistant temperature detector (RTD), the Rosemount 65 RTD Temperature Sensor is a single or dual element device designed per IEC 751 and capable of covering a wide range of temperatures.
This sensor is vibration resistant and the connection heads feature fast mounting and replacement. This RTD includes a calibration option of Class A or B accuracy or a calibration schedule option with Callendar-Van Dusen constants.
Rosemount™ 65 RTD Temperature Sensor


Time Constant / Response
9 seconds maximum required to reach 50% sensor response when tested in flowing water according to IEC 751:1983, Amendments 1 and 2
Insulation Resistance
1,000 MΩ minimum insulation resistance when measured at 500 Vdc and at room temperature
Calibration Options
IEC 751 Class A accuracy; Calibration schedule with Callendar-Van Dusen constants; MID custody transfer calibration


  • Industry-standard sensor per IEC 751 with single or dual element design offers reliable and flexible performance
  • Resilient sensor withstands high vibration industrial applications
  • DIN-style sensor connection heads allow for quick mounting and replacement
  • Sensor selections cover a wide range of temperatures from –321 to 1112°F (–196 to 600°C) to meet process demands
  • Terminal block, flying leads and spring-loaded threaded adapters enable remote or integral mounting configuration
  • Callendar-Van Dusen constants allow for transmitter-sensor matching and provide the highest level of accuracy
  • Optional Class A accuracy ensures critical temperature measurement points meet tolerance standards and accuracy
  • Option for thermowell assembly increases protection from corrosive environments
  • Measurement Instrument Directive (MID) calibration options for custody transfer applications
  • Global hazardous location approvals meet local requirements


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