Keysight Technologies N4000A SNS Series, Руководство по эксплуатации и обслуживанию

Страница: 80 / 81

A Caring for Connectors
80 Keysight N4000/1/2A Operating and Service Manual
Principles of Microwave Connector Care
Table A-4 Principles of microwave connector care
Handling and storage
DO DO NOT
– Keep connectors clean. – Touch mating plane surfaces.
– Extend sleeve or connector nut. – Set connectors contact-end down.
– Use plastic end caps during storage.
Visual inspection
DO DO NOT
– Inspect each connector carefully before every
connection.
– Use a damaged connector - EVER.
– Look for metal particles, scratches, and dents.
Cleaning
DO DO NOT
– Try compressed air first. – Use any abrasives.
– Clean connector threads. – Get liquid onto plastic support beads.
Gaging
DO DO NOT
– Clean and zero the gage before using. – Use an out-of-spec connector.
– Use correct gage type.
– Use correct end of calibration block.
– Gage all connectors before first use.
Making connections
DO DO NOT
– Align connectors carefully. – Apply bending force to connection.
– Make preliminary connection lightly. – Overtighten preliminary connection.
– Turn connector nut only to tighten. – Twist or screw in connectors.
– Use a torque wrench for final connection. – Tighten past “break” point of torque wrench.