Keysight M8920A, Руководство по началу работы

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Cable and Connector Care
Visual Inspection
Visual inspection and, if necessary cleaning should be done every time a connection is
made. Metal particles from connector threads may fall into the connector when it is
disconnected. One connection made with a dirty or damaged connector can damage
both connectors beyond repair.
Magnification is helpful when inspecting connectors, but it is not required and may
actually be misleading. Defects and damage that cannot be seen without
magnification generally have no effect on electrical or mechanical performance.
Magnification is of great use in analyzing the nature and cause of damage and in
cleaning connectors, but it is not required for inspection.
Obvious Defects or Damage
Examine the connectors first for obvious defects or damage:
Plating
Bare metal showing
Burrs or blisters
Deformed threads
Center conductors
Bent
Broken
Misaligned
Concentricity
Connector nuts should move smoothly and be free of:
Burrs
Loose metal particles
Rough spots
Any connector that has obvious defects should be discarded.
90 M8920A Getting Started Guide