Subscriber Discussion

How To Test Coaxial Cable ?

UD
Undisclosed Distributor #1
Feb 17, 2017

hi. what are the different ways to test co-axial cable and say whether the coaxial cable is good or  bad.

UI
Undisclosed Integrator #2
Feb 17, 2017

You can use a simple continuity tester to determine if there is a broken center conductor or short between the shielding and the center conductor. This is the most basic test you can do.

UD
Undisclosed Distributor #1
Feb 17, 2017

do we need to check the impedance of the cable also to tell whether the cable is good or not ?

Avatar
Oleksiy Zayonchkovskyy
Feb 18, 2017
IPVMU Certified

There are many cheap or high-tech testers for coax. For example I use Fluke DTX-1800 Certifier for twisted pair, fiber and coax with different adapters. If it is too expensive to buy one it is always possible to rent it.

Measurements include:

Impedance

Length

Propagation Delay (smaller - better on the same cable length)

Insertion Loss (smaller - better)

Impedance anomaly detection (how much and where)

 

 

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