Davtron M803 provides universal, local, flight, and elapsed time with display annunciators for all. Also provides OAT in ēC & ēF and volts. Flight time recorded in hours and minutes.,and an alarm with external output provided for flight and elapsed time.
Clock Features
O.A.T./Volts Features
Two button control system in
natural and error free. Setting
operations are
IDENTICAL for
both alarm and time setting
(U.S. Patent #4,486,077)
Sunlight readable display
Display annunciations for
UT,LT,FT and ET
Flight time recorded in hours
and minutes
Flight time alarm with external
output
Elapsed time count down alarm
with external output
A 4 Megahertz crystal precision
time reference.
One button control steps sequentially
through E,F,C:
E- Voltage (EMF)
F- O.A.T. Fahrenheit
C- O.A.T. Centigrade
Always selects to read voltage on
power up for battery status check.
Input Voltage - 14 or 28 Volts.
Internal Lighting 5v-14v or 28v
specify when ordering
2.25" standard mount - wt. 5.4 oz.
Two year battery backup standard.
Connector Pins
1. Power Ground
2. +12V or +28V
3. Plus voltage starts FT
4. Ground starts FT
5. Alarm output (open collector)
6. Temperature sensor (white/blue stripe)
7. Temperature sensor (white)
8. Internal Lighting: 5, 12, 24 Volt
9. +14V or +28V Keep alive power
Installation Eligibility
Bell Helicopter Textron Model 407
If your airframe is not listed for the unit you're installing you need to complete a 337 form and file with your local FSDO. Download FAA 337 Form
Instruments - Davtron - 800 Series
