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Rosemount™ 65 RTD Temperature Sensor
Northeast Controls is pleased to be the authorized Emerson representative to sell this product line for Municipal Water and Wastewater applications, and as part of an overall Integrated Solution for all applications and industries.
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