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Radiant Technology


4-channel-cht-lores.jpgRADIANT Technology's new 4-channel Engine Temperature Gauges give the pilot a continuous display of 4 CHT or 4 EGT temperatures, with color coding that immediately shows over-temperature conditions.  The gauge also has a numeric readout.


4 channels of information is awesome for troubleshooting minor problems in an aircraft engine, and is also invaluable for normal engine temperature monitoring. We're providing this capability in a low cost, very easy to install system, including probes.


These simple engine instruments provide 4 channels of engine temperature information in one easy to see, high visibility, color display.  Each of the four channels is shown in bar form, with color changing as temperature increases.  The highest of the four temperatures is also shown in numeric form.  Color ranges are calibrated to engine type.

Two types of this gauge are available:  Quad CHT and Quad EGT. We can configure the temperature settings and probe style of the unit at the factory to just about any engine value range or type. When you order, tell us what you want in the COMMENTS sections.


  • Huge numeric digits in brilliant, daylight readable Radiant display
  • Simultaneous view of four temperature channels
  • Highest channel shown in numeric form
  • Color coding as to current condition (cold / normal / caution / redline)
  • Easy Installation
  • Standard +12V power supply
  • Initial factory calibration +/- 2 degrees Fahrenheit
  • Harness and probe package available
  • Installs in any 2.25” cutout