1.0 Electrical tests
Measurements in movement without battery enclosure.
For measurements with battery enclosure, measurement
3 is made directly on the piezzo contact spring.
Specifi c Information for calibre 1666
Position
Setting of
apparatus
Measurement Test Remarks
1 10 K
Ω 2.6 - 3.4 KΩ Condition of seconds motor coil
Measurement without battery,
voltage supply 0.2 V
Ohmmeter with a test voltage
higher than 0.4 V unsuitable
Recommended voltage 0.2 V
Ambient temperature
2a 10 K
Ω 2.8 - 3.8 KΩ
Condition of minutes motor coil
2b 10 K
Ω 2.8 - 3.8 KΩ
3 10 KΩ 0.12 - 0.15 Ω Condition of alarm coil
- - 3V Battery voltage
To be tested outside of the
movement
3
1
2b
2a
OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-069-E - A - 1666
/8
Fig. 1.0
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