Electrical Tests - Omega CALIBRE 1666 Technical Manual

Fig. 1.0
3
Setting of
Position Measurement
apparatus
1 10 K 2.6 - 3.4 K
Ω
2a 10 K 2.8 - 3.8 K
Ω
2b 10 K 2.8 - 3.8 K
Ω
3 10 K 0.12 - 0.15
Ω
- - 3V
OMEGA SA

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.
2b
2a
1
Test
Condition of seconds motor coil
Ω
Ω
Condition of minutes motor coil
Ω
Condition of alarm coil
Ω
Battery voltage
WORLD SERVICE ORGANIZATION
Specifi c Information for calibre 1666
Remarks
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
To be tested outside of the
movement
GT-19-C-069-E - A - 1666
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