Your Source for Process Measurement & Control
Product Groups
Replacement Pt100 RTD Probes for Connection Head Assemblies
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
PRTF-12-RP Series
  • Replacement Probes Used with Connection Heads or Enclosures
  • Pt100 Class B Thin Film Sensing Element
  • Includes Two 1/2 NPT Mounting Threads
  • Available in Fixed Length and Spring Loaded Designs
  • Fixed Length Probes Available in 1/8", 3/16" and 1/4" Diameters Standard.
  • Spring Loaded Probes available in 1/4" Diameter Standard, 1/8" and 3/16" Also Available
  • -50 to 260°C (-58 to 500°F) Temperature Range Standard, 500°C Max with Fiberglass (GG) Cable Option.
  • Connection Heads and Thermowells Also Available
 Manuals (contact with email : [email protected])


Replacement RTD probes are available in two configurations, either fixed length for direct immersion or spring loaded for use with thermowells (allows for good contact with bottom of thermowell). Each probe features #26 AWG stranded nickel plated copper, PFA insulated wires (2 red, 1 white) 6" long standard.

These probe assemblies can be used as replacement sensors for our PRTF-12, -14 and -18 RTD sensor assemblies, used as is, or combined with our optional thermowells and connection heads to design your own sensor configration.

Fixed Length Probes:
When ordering fixed length replacement probes, the length of the probe is specified from the tip of the probe to the full engagement point of the 1/2NPT thread(which is typically 1/2" as shown). Note: If being used in a thermowell, typically spring loaded probes are recommended. Otherwise, the thread engagementmust be taken into account to insure that the sensor is not damaged by contacting the bottom of the thermowell bore during installation.

Fixed Length Probes
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers

Spring Loaded Probes:
When ordering spring loaded replacement probes, the length of the probe should be specified as the immersion length of the thermowell it will be placed into. The immersion length is the distance from the top of the thermowell to the bottom of the bore.

Spring Loaded probes are used to insure that the probe bottoms in the thermowell, and that a small amount of force is present to insure that this contact ismaintained when exposed to process conditions. The actual probe length of the sensor before insertion is a little longer than the immersion length as shown below to allow for a 1/4" spring compression when the sensor is threaded into the thermowell.

Spring Loaded Probes
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
Anemometer  |   Automation  |   Accelerometers  |   Calibrator  |   Cartridge Heaters  |   Chart Recorders  |   Cryogenics  |   Custom Pressure Transducers  |   Data Loggers  |   Data Acquisition  |   Dial Thermometers  |   Fiber Optics  |   Fiber Optic Temperature Measurement  |   Flexible Heaters  |   Flow Meters  |   Glass Bulb Thermometers  |   Grippers  |   Heaters  |   Humidity Measurement  |   Integrated Circuit Sensors  |   Immersion Heaters  |   Infrared Thermometers  |   Level Measurement  |   Load Cells  |   M12 Temperature Connectors  |   Magnetic Flow Meter  |   Panel Meter  |   PID Controllers  |   pH meter  |   Pressure Gauges  |   Pressure Transducers  |   Pressure Transmitters  |   Rotameters  |   RTD  |   Remote Process Monitoring  |   Sanitary Sensors  |   Signal Conditioners  |   Stepper Motors  |   Strain Gages   |   Strip Heaters  |   Temperature Controllers  |   Temperature Labels  |   Temperature Measurement  |   Temperature Sensor Manufacturing  |   Temperature Sensors  |   Temperature Transmitters  |   Thermal Imagers  |   Thermistors  |   Thermocouple  |   Thermocouple Wire | Thermowell  |   Ultrasonic Flow Meters  |   Vortex Flow Meter  |   Wireless Sensors - فقخیثنس.زخئ - صصص.فقخیثنس.زخئ