2.0 Electrical Tests; Specifi C Information For Calibre 1538 - Omega 1538 Technical Manual

Fig. 2.0
Pos. Setting of apparatus
2 V
1
(Ri ≥ 10 kΩ / V)
1 V
2
(Ri ≥ 10 kΩ / V)
10 μA
3
2 V
4 • 10 kΩ
5 200 μA
• Ohmmeters with measuring voltage greater than 0.40V inappropriate ; recommended voltage 0.20V.
Ambient temperature 20°C.
OMEGA SA
Measurement
1,55 V
For Witschi Q 6000:
the motor LED lights up
at each impulse.
1,20 μA
Jump of four steps every
four seconds until supply
voltage < 1,30 V
0,5 μA
≤ 1,30 V
Bring the R/T point and track
Control of motor with 8 steps/
sec at 1.55 V and 32 steps/sec
under voltage ≤ 1,30 V (EOL).
1,3 - 1,8 kΩ
110 - 155 μA
WORLD SERVICE ORGANIZATION
Specifi c information for calibre 1538

2.0 Electrical tests

Test
Battery voltage
Impulses per minute at
the integrated circuit
output 1 per second.
Movement
consumption
EOL. Consumption
higher than normal.
Operation of the time setting
stem switch in position 3
Lower limit for operating voltage.
– .
Coil continuity
Coil isulation
Adjustment of the operation by inhibition. The operation can
only be measured with a device used to measure intervals
of 60 seconds or multiples of 60 seconds. The rate must be
measured with ambient temperature between 20°C and
30°C.
Remarks
Measured with battery
Measured with checked battery.
Measured without battery,
external supply, 1.55 V
Measurement without battery,
with supply voltage < 1.40 V,
EOL function after ~ 2 minutes.
Measured without battery,
external supply, 1.55 V.
Measured without battery,
variable external supply, starting
with 1.55V, continually reduce
voltage until movement stops.
Measured without battery.
GT-19-C-013-E - C - 1538
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