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The 655 is a multi-functioning gauge combining readouts for: outside air temperature ºC/ºF, pressure altitude, density altitude, and aircraft voltage. The digital probe with 12 ft cabling sends an accurate reading to the panel mount, super bright, sunlight readable display.

  • The 655-1 is rectangle panel mount with temperature probe and orange LED lighting
  • The 655-2 is 2-1/4" standard clock mount or front mount with temperature probe and orange LED lighting.
  • The 655-2-NVG is 2-1/4" standard clock mount or front mount with temperature probe and NVG green A lighting.

  • OUTSIDE AIR TEMPERATURE (°F)
  • OUTSIDE AIR TEMPERATURE (°C)
  • PRESSURE ALTITUDE
  • DENSITY ALTITUDE
  • AIRCRAFT VOLTAGE With ALARM
  • ALTITUDE ALARM

  • Weight: 5 oz.
  • Warranty: 1 year
  • Density altitude: – 10,000 to 30,000 ft.
  • Pressure altitude: – 1,000 to 62,700 ft.
  • (Depends on encoder range.)
  • Flashing annunciator character on incorrect encoder inputs.
  • Voltage range 10V to 32V ± .2 volts Typ.
  • LED with automatic dimming.
  • Input voltage: 14 or 28 volts.
  • Input current: .35 amps max.

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California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.