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LC-2 Quartz Chronometer
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The Astrotech LC-2 is a precision clock-timer offering reliability at an
economical cost. This chronometer provides time, date and elapsed
timer with a hold or time-out feature.
The Astrotech Model LC-2 chronometer uses a large scale integrated
circuit (LSI) chip which contains several hundred transistors and
controls all clock/timer functions. The LSI chip is attached to a single
circuit board, a simplified construction technique resulting in high
degree of reliability and performance at low cost. Circuitry is not
subject to dirt, vibration, friction, or wear characteristics of mechanical
clock movements.
P/N LC2
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| Model |
LC-6 Chronometer |
| Specifications |
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| Clock |
12 or 24-hour, 4-digit clock, internally switchable before installation |
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| Elapsed Timer |
24-hour capacity, displays minutes/seconds for the first hour; thereafter hrs./min. to 24-hrs. |
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| Date |
Date is displayed in month/day format |
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| Timing Accuracy |
Typically better than a few seconds per month |
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| Display |
Continuous readout using a liquid crystal display for excellent visibility in direct sunlight. The display is lighted for night flying and connects to the aircraft instrument panel dimming circle. Both 12V & 24V bulbs are included with each panel mounted clock |
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| Power |
LC-2 comes in various part numbers, and the part number determines if the chronometer has an internal battery or is connected to the aircraft battery for power.; internal battery life is normally > 2-years The power drain when connected to the aircraft battery is negligible (< .003 AMP). |
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| Weight |
Less than 4 oz. (113.4 g) |
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| Installation |
Installs directly into standard 2.25" (57.2 mm) clock panel cutout for the panel part numbers, or mounts in the specified aircraft control wheels |
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| Environmental |
LC-2 is qualified to all of the applicable sections of RTCA DO-160 for electrical & mechanical compliance |
| P/N |
Model |
Description |
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| AT420000 |
LC-2 |
Panel mounted, aircraft powered, 14 & 28V lamps included |
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| AT4210P0 |
LC-2P |
Piper control wheel (P/N 79217) mounted, aircraft powered, 14V internal lighting |
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| AT4220P0 |
LC2P-28 |
Piper control wheel (P/N 79217) mounted, aircraft powered, 28V internal lighting |
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| AT4220P1 |
LC-2PC |
Piper Cheyenne control wheel mounted, internal AAA battery, 5V internal lighting |
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| AT4250P1 |
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Piper Cheyenne control wheel mounted, internal AAA battery, 5V internal lighting |
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