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Chronometer/Digital clock, 28V lighting, O.a.t. (outside air temperature) F & C/Includes: Temperature Probe/Ut/Lt/FT/Et digital clock 803-28V

Chronometer/Digital clock, 28V lighting, O.a.t. (outside air temperature) F & C/Includes: Temperature Probe/Ut/Lt/FT/Et digital clock 803-28V
Chronometer/Digital clock, 28V lighting, O.a.t. (outside air temperature) F & C/Includes: Temperature Probe/Ut/Lt/FT/Et digital clock 803-28V
CHRONOMETER/Digital clock, 28V lighting, O.A.T. (outside air temperature) F & C/Includes: Temperature Probe/UT/LT/FT/ET digital clock 803-28V
M803 Digital Clock Chronometer, O.A.T., Voltage Gauge | 28V Orange Lighting

The M803 provides universal, local, flight and elapsed time with display annunciators. It also provides Outside Air Temperature (O.A.T.) and voltage readout. Flight time is recorded in hours and minutes, and includes an alarm with an external output for flight and elapsed time. Two buttons control clock features with another switching O.A.T. and voltage.

The 803-28V has 28V orange lighting and remote temperature probe.


  • 2-1/4 inch internal mount
  • 3-button faceplate
  • Flight time with alarm
  • Universal time 24 hour format
  • Local time 12 or 24 hour format
  • Elapsed time with countdown timer and alarm
  • Voltage monitor
  • Outside air temperature Celsius & Fahrenheit
  • Liquid crystal display
  • Orange backlighting
  • Night illumination
  • Keep alive battery option
  • Laser engraved faceplate
  • FAA-PMA approval

AI disclosure: this description was generated with AI assistance from this product's own listing data.


Product Codes

Mfr Part No:803-28V
ECCN:7A994
PMA:PQ1062NM
SCHEDULE B CODE:9104.00.0000
SIN:334511


Weight: 5.02 ozDimensions: 2.375 x 2.8 x 2.375 inUniversal Time: 24 hour formatLocal Time: 12 hour or 24 hour option, user selectableElapsed Time Count Up: Starts in minutes and seconds, then hours and minutes, up to 99:59 hoursElapsed Time Countdown: Settable from one second to 59 minutes and 59 secondsElapsed Time Alarm: Activates at zero when counting downVoltage Range: 8 Volts to 32 Volts ±0.2 Volts Typ. -55°C to +100°C ±0.2°C Typ.Internal Lighting: 100 mA at 28VDisplay: Liquid crystal displayKeep alive current: 0.004 Amps. 12 to 30 VoltsVoltage: 12 to 30 volts

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  • Stock: Warehouse
  • Manufacturer Part #: 803-28V
$716.71

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  • 30-day return window — with prior return authorization, unopened in original packaging.
  • Restocking fee: 20% on unopened items, 30% on open-box items.
  • Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
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