Serving the Aviation Industry since 1973
ISO 9001:2015 and AS9100D Certified
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M655-1 5-Function Indicator
(DAI Part# M655-1)
A computer based product that brings digital information to the pilot at the push of a button.

Outside air temperature(°F)
Outside air temperature(°C)
Pressure altitude
Density altitude
Aircraft voltage

All five functions in one small indicator
P/N 655-1 -- Panel Mount
P/N 655-2 -- Clock Mount

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Density Altitude -100,00 to 70,000'
Voltage Range 10V to 32V
Pressure Altitude -1,000 to 62,700' (Depends on encoder range.)
Input Voltage 14V or 28V
Flashing Annunciator Character or Incorrect Input Current .35 AMPS maximum
Weight 5 oz.
Temperature Range -55°C to +100°C (±2°C); -67°F to +212°F
Warranty 1-year