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Electrical testing on rail systems is essential for safety and reliability

Electrical testing on rail systems is essential for safety and reliability

Standard ohmmeters are inadequate to accurately determine the resistance of high-current connections and a digital low resistance ohmmeter should be used. Modern TDRs can locate able faults at distances up to 20 km from the point at which the instrument is connected and some types feature dual channel operation, which allows faults between cables to be rapidly localised.
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