The Davtron M850B Chronometer is a versatile 2¼" internal or front-mount instrument designed for accurate and easy cockpit timekeeping. Its intuitive two-button control system allows pilots to quickly access Greenwich Mean Time, local time, flight time with alarm, and a countdown timer with alarm. The chronometer features a bright, sunlight-readable display with automatic dimming, illuminated buttons and annunciators, and an optional keep-battery-alive function. FAA approved, the M850B delivers reliable performance and ease of use for demanding flight operations.
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Product Code: Davtron-M850B
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
Countdown Timer: Settable from 1 second to 59 minutes 59 seconds
Display Type: LED, readable in sunlight
Automatic Dimming: Yes
Battery Type: CR2032
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)
