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Diameter

This listing includes the following tests:

Pricing may vary based on specific test, sample, and test standard

This test is typically used as a process control test to ensure that the measured diameter of a manufactured wire/cable is within the range provided in the wire/cable specification. The wire/cable is measured in multiple locations and the average diameter is reported. For non-uniform cables, such as twisted pairs, measurements are made both for the minimum and maximum diameter.

This test is often included as part of post-environmental exposure testing (e.g. fluid immersion testing) to determine if there has been any insulation expansion or shrinkage.

Procedure

  1. Perform visual examination of the specimens. Record any observed defects.
  2. Use calibrated calipers to measure the specimen at three or more locations. At each location, two measurements should be made with a 90Degree rotation between the two measurements.
  3. Record the minimum and maximum diameters recorded the average diameter.

Covered specifications

  • ANSI-NEMA-WC2700 Method 4.4
  • AS4373 Method 401
  • AS4373 Method 901
  • AS6070 Method 5.1.3
  • AS6324 Method 5.1.1.1
  • AS22759 Method 5.2.4
  • AS22759 Method 5.5.1
  • AS29606 Method 5.2
  • AS85485 Method 4.7.12
  • ISO 19642-2 Method 5.1.2
  • ISO 19642-2 Method 5.1.4
  • J1128 Method 5.3
  • ISO 6722 Method 5.1
  • MIL-DTL-32630 Method 4.7.2
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