The Davtron M850 Deluxe Digital Chronometer is a versatile 2¼" front-mount instrument designed for precise timekeeping in demanding cockpit environments. Its intuitive two-button control system allows pilots to easily access Greenwich Mean Time, local time, flight time with alarm, and elapsed time with countdown and alarm functions. The chronometer features a bright, sunlight-readable display with automatic dimming, illuminated buttons and annunciators, and optional audio and NVIS Green “A” lighting. With an optional keep-battery-alive function and FAA-PMA approval, the M850 offers reliability, durability, and ease of use for modern cockpit operations.
Choose your options:
Davtron M850 5 Volt Models(optional):
Davtron M850 14 Volt Models(optional):
Davtron M850 28 Volt Models(optional):
SonAlert Audio Alarm(optional):
Product Code: Davtron-M850
Greenwich Mean Time: 24-hour format
Local Time: 12- or 24-hour option
Flight Time: Records in hours and minutes, up to 99:59 (99.99-hour option)
Flight Time Alarm: Full set range
Elapsed Time Count Up: Starts in minutes and seconds, then hours and minutes, up to 99:59 hours
Elapsed Time Countdown: Settable from 1 second to 59 minutes 59 seconds
Elapsed Time Alarm: Activates at zero when counting down
Display Type: Incandescent, readable in sunlight
Automatic Dimming: Yes
Battery Type:
Model 850: N-size alkaline
Model 877: AA-size alkaline
Keep-Alive Current: 0.00004 A
Input Current: 0.2 A
Input Voltage: 14–28 V (backlight available at 5 V, 14 V, or 28 V – specify when ordering)
