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Davtron M803 Digital Clock Chronometer / OAT / Voltage Gauge
| Description | Part No. | Price | Buy |
|---|---|---|---|
| MODEL 803-14V UT, LT, FT, & ET DIGITAL CLOCK 14V LIGHTING, VOLTMETER, OAT (F & C) (TEMP. PROBE INCLUDED) | 10-25520-14 | $546.70 | |
| MODEL 803-28V UT, LT, FT, & ET DIGITAL CLOCK 28V LIGHTING, VOLTMETER, OAT (F & C) (TEMP. PROBE INCLUDED) | 10-25520-28 | $548.90 | |
| MODEL 803-5V UT, LT, FT, & ET DIGITAL CLOCK 5V LIGHTING, VOLTMETER, OAT (F & C) (TEMP. PROBE INCLUDED) | 10-03304 | $542.30 | |
| MODEL 803-14V-NVG UT, LT, FT, & ET DIGITAL CLOCK 14V NIGHT VISION LIGHTING GREEN A (TEMP. PROBE INCLUDED) | 10-03343 | $778.80 | |
| MODEL 803-28V-NVG UT, LT, FT, & ET DIGITAL CLOCK 28V NIGHT VISION LIGHTING GREEN A (TEMP. PROBE INCLUDED) | 10-03344 | $852.50 | |
| MODEL 803-5V-NVG UT, LT, FT, & ET DIGITAL CLOCK 5V NIGHT VISION LIGHTING GREEN A (TEMP. PROBE INCLUDED) | 10-03342 | $719.40 | |
| MODEL 803-5V-BELL UT, LT, FT, & ET DIGITAL CLOCK 5V LIGHTING, VOLTMETER, OAT (F & C) (TEMP. PROBE INCLUDED) BELL PN. M803B-2-0/5V-BATT | 10-07704 | $444.40 | |
| MODEL 803-28V-CESSNA CLOCK OAT VOLTMETER GRAY BUTTONS 28V LIGHTING CESSNA PN. M803B2-0/28V-B | 10-07705 | $456.50 |
Overview
Davtron M803 Features:
|
FAA Approval
- Davtron Inc has determined that installation of all Davtron products are considered minor according to (FAR) 21.93(a). All of our units are similar in design, with their electrical, mounting size, and weight being similar. Even though we consider installation of Davtron products to be minor, it is up to the installing mechanic to determine if the installation is minor or major. For a minor, a maintenance log book entry is all that is required. The FAA has determined that the installation of replacement clocks in non-transport category airplanes is considered to be minor, therefore only a maintenance log book entry is required referencing letter 100S-GA-10-53 from the FAA.
- Download Letter
- For a major installation on a non PMA approved airframe, a FAA 337 form should be filed with your local FSDO and a possible field approval done.
- FAA/PMA Approval
- Bell Helicopter Textron Model 407
- Download FAA 337 Form.
Specifications
- Universal Time: 24 hour format
- Local Time: 12 hour or 24 hour option
- Flight Time: Records in hours and minutes, up to 99:59
- Flight Time Alarm: Full set range of flight time
- Elapsed Time Count Up: Starts in minutes and seconds, then hours and minutes, up to 99:59 hours
- Elasped Time Countdown: Settable from one second to 59 minutes and 59 seconds
- Elapsed Time Alarm: Activates at zero when counting down
- Voltage Range: 8 Volts to 32 Volts ±0.2 Volts Typ. -55°C to +100°C ±0.2°C Typ.
- Internal Lighting: 240 mA at 5V, 240 mA at 14V, 100 mA at 28V (specify voltage when ordering)
- Keep Alive Current: 0.004 Amps. 12 to 30 Volts
- LCD Display
- Input Voltage: 12 to 30 Volts
- Input Current: .2 Amps
- Battery Type: AA memory battery
- NVIS Option: NVIS Green A lighting
- Voltage: 12 to 30 Volts
- Weight: 5.02 ounces
- Warranty: 1 year
Reviews
So far so good. No problems operating it. Would recommend to either remove the AA battery all together or make sure it is replaced once a year. I replaced the original one as the Duracell battery ran acid on the unit.
Verified Purchase
Davtron Model 803-28V-Nvg Ut Lt Foot & Et Digital Clock 28V Night Vision Lighting Green A Temp. Probe Included
Everything working fine so far. Keep alive function is wired direct to battery (with a 1/4a fuse protection). Hopefully will keep accurate time. So far so good!
Verified Purchase
Davtron Model 803-14V Ut Lt Foot & Et Digital Clock 14V Lighting Voltmeter OAT F & C Temp. Probe Included
Weve been using these for years in our helicopters, and they are fantastic. They got rid of two things, the OAT gauge and the clock, but this has the bonus of being a system volt gauge as well. The clock has several timing features which is great also. This current purchase was to replace an original unit that finally started giving out, some segments werent showing up and some buttons werent functioning correctly.
Verified Purchase
Davtron Model 803-5V Ut Lt Foot & Et Digital Clock 5V Lighting Voltmeter OAT (F & C) (Temp. Probe Included) M803-5V
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
The Davtron Digital Clock M803 comes with the unit, connector kit, OAT Probe and installation instructions.
Yes, the lights can be replaced by taking the case apart. The manufacturer can also repair the unit, visit davtron.com for further information.
Per the manufacturer 11-04603 will work.
This comes with the unit, connector kit, oat probe, and install instructions. Blue light on display is not available, only option is NVIS green lighting.
