Resistance Temperature Detectors

HARCO's resistance temperature detectors (RTDs) are engineered for the most exacting applications and environments. Ranging from the relatively benign environment of aircraft cabin temperature control to harsh turbine engine environments, HARCO RTDs deliver high-accuracy temperature detection and proven reliability. For example, these sensors can withstand temperatures as high as 3000°F when our proprietary SIMx technology is part of the design.


  • Application Specific Design
  • High-Accuracy Platinum Wire-Wound Elements
  • Hermetically Sealed Construction
  • Low Excitation Current
  • High Signal-to-Noise Ratio
  • Fast Linear Response
  • Excellent Stability
  • Wide Temperature Range
  • Low Maintenance
  • High Reliability

Typical Applications

Temperature monitoring of critical aircraft components and subsystems such as:

  • Engine Fuel
  • Cabin Temperature Control
  • Compressor Discharge
  • Avionics
  • Brake Pads
  • Cylinder Heads
  • Engine Bearing Oil
  • Hydraulic Fluids
  • Inlet Air Ducts
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