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Caring for Connectors
Using Connector Gages
Measuring Connectors
Measuring the recession of the center conductor behind the outer conductor mating
plane in a connector is done in exactly the same way as zeroing the gage, except of
course that the graduated dial is not re-set when the measurement is made.
If the connector has a retractable sleeve or sliding connector nut - precision 7mm
connectors, for example - extend the sleeve or nut fully. This makes it easier to keep
the gage centered in the connector.
Hold the gage by the plunger barrel and slip the gage into the connector so that the
gage plunger rests against the center conductor. Carefully bring the gage into firm
contact with the outer conductor mating plane.
Apply only enough pressure to the gage so that the gage pointer settles at a reading.
Gently rock the connector gage within the connector, to make sure that the gage and
the outer conductor have come together flatly. Read the recession (or protrusion)
from the gage dial. (For maximum accuracy, measure the connector several times
and take an average of the readings.)
Rotate the gage relative to the connector between each measurement. To monitor
connector wear, record the readings for each connector over time.
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Appendix D
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