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PNA Series Microwave Network Analyzer System
N5251A
Principles of Connector Care
Proper connector care and connection techniques are critical for accurate and repeatable
measurements. Refer to
Prior to making connections to your analyzer, carefully review the information about
inspecting, cleaning, and gaging connectors. Refer to the calibration kit documentation for
detailed connector care information.
For course numbers about additional connector care instruction, contact Keysight
Technologies. Refer to
Table 5-1
Connector Care Quick Reference Guide
Do
• Keep connectors clean
• Extend sleeve or connector nut
• Use plastic end-caps during storage
• Inspect all connectors carefully
Do
• Look for metal particles, scratches, and dents
• Try compressed air first
Do
• Use isopropyl alcohol
• Clean connector threads
• Clean and zero the gage before use
Do
• Use the correct gage type
• Use correct end of calibration block
• Gage all connectors before first use
Do
• Align connectors carefully
• Make preliminary connection contact lightly
• Turn only the connector nut
• Use a torque wrench for final connection
Cleaning connectors with alcohol shall only be done with the instrument's power cord removed,
a.
and in a well-ventilated area. Allow all residual alcohol moisture to evaporate, and the fumes to
dissipate, prior to energizing the instrument.
Installation and Service Guide N5251-90001
Table 5-1
for tips on connector care.
"Contacting Keysight" on page
Handling and Storage
Visual Inspection
Connector Cleaning
a
Gaging Connectors
Making Connections
Principles of Connector Care
5-4.
Do Not
• Touch mating-plane surfaces
• Set connectors contact-end down
• Store connectors or adapters loose
Do Not • Use a damaged connector - ever
• Use any abrasives
Do Not
• Get liquid into plastic support beads
Do Not • Use an out-of-specification connector
Do Not
• Apply bending force to connection
• Over tighten preliminary connection
• Twist or screw any connection
• Tighten past torque wrench "break" point
Maintenance and Support
5-3
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