LAUNCH Android-based Scopebox User’s Manual
Fig. 4
-7
The waveform on Fig. 4-8, shows the accidental pumping during contact
closing period. The irregular beating is caused by insufficient spring force.
Fig. 4
-8
The curve on Fig. 4-9 shows the contact angle is too small during the
magnetizing period, which is caused by too large contact gap.
Fig. 4
-9
A lot of clutter will be displayed on the horizontal section of primary waveform if
contact has poor grounding, as shown below figure 4-10.
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