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Measurement Functions 3M™ Dynatel™ Advanced Modular System 965AMS
“Dip” Events
1. Fault: A resistance fault will show as a dip on screen. The
lower the value of resistance, the lower the dip.
2. Short: A short (or zero-Ohm resistance fault) will show up
as the lowest dip on the screen. You cannot see events past a
short.
3. BridgeTap: A bridge tap will look like a small dip where
the bridge tap begins. The end of the bridge tap looks like
an upward event. The distance between the two events is the
length of the bridge tap. The start of a bridge tap looks like
a resistance fault. Use the ohms measurement function to
measure the resistance on the pair. If there is no resistance,
and you see a dip followed by a peak, you might suspect a
bridge tap.
Fault Icons
Faults are represented on the screen with icons:
Load Coil Open
Short Bridge Tap
Event Found