Instrument Overview 2-6 Connector Care
MS20xxB UG PN: 10580-00301 Rev. D 2-15
2-6 Connector Care
Visually inspect connectors for general wear, for cleanliness, and for damage, such as bent
pins or connector rings. Repair or replace damaged connectors immediately. Dirty connectors
can limit the accuracy of your measurements. Damaged connectors can damage the
instrument. Connection of cables carrying an electrostatic potential, excess power, or excess
voltage can damage the connector or the instrument or both. Connection of cables with
inadequate torque settings can affect measurement accuracy. Over torquing connectors can
damage the cable, the connector, the instrument, or all of these items.
Connecting Procedure
1. Carefully align the connectors.
The male connector center pin must slip concentrically into the contact fingers of the
female connector.
2. Push connectors straight together. Do not twist or screw them together.
3. To tighten, turn the connector nut, not the connector body. Major damage can occur to
the center conductor and to the outer conductor if the connector body is twisted.
4. If you use a torque wrench, then initially tighten by hand so that approximately 1/8 turn
or 45 degrees of rotation remains for the final tightening with the torque wrench.
Relieve any side pressure on the connection (such as from long or heavy cables) in order
to assure consistent torque. Use an open-end wrench to keep the connector body from
turning while tightening with the torque wrench.
Do not over torque the connector.
Disconnecting Procedure
1. If a wrench is needed, then use an open-end wrench to keep the connector body from
turning while loosening with a second wrench.
2. Complete the disconnection by hand, turning only the connector nut.
3. Pull the connectors straight apart without twisting or bending.
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