CZ-05 Nautical Quartz Astronomical Clock/Chronometer
GENERAL DESCRIPTION
CZ-05 Nautical Quartz Astronomical Clock is a kind of high-precision timing instrument. Astronomical Clock is used 4.19 MHZ AT garden slice shape high-frequency quartz crystal oscillation frequency for time datum, using the capacitance frequency automatic temperature compensation, which can guarantee very high precision in a wide temperature range. Its time indication mode is second jump three needle longer analogue.
CZ-05 Nautical Quartz Astronomical Clock has the degree of stability of a second signal. In addition to school dial needle institutions abroad, it also has the device with speed and stop button. Astronomical clock is suitable for astronomy, earthquake, geodesy and laboratory.
| Item |
Specification |
Data |
| 1 |
quartz resonator |
NDK4.194304 MHz |
| 2 |
power supply |
DC1.5V |
| 3 |
power consumption |
not more than 120 μA |
| 4 |
walking precision |
error less than ±0.2 seconds under 1~20 °C; error less than ±0.5 seconds under - 10~ + 50 °C |
| 5 |
second hand operation mode |
second hand step by step |
| 6 |
vibration resistance |
frequency under 20,50,80 hz; vibration acceleration of 1.5g; it can work normally in two hours. |
| 7 |
impact resistance |
withstand impact velocoty of 7g,impact frequency of 60-80 times/min; it can work normally with 2000 times impact. |
| 8 |
magnetic resistance |
it can work normally under 60 oster DC magnetic field |
| 9 |
size |
200*145*80mm |
| 10 |
weight |
about 3kg |
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