Time-domain reflectometers

Time-domain reflectometers are used as standalone devices for measuring the length and determining the velocity factor (V/2) of electrical cables, and as part of cable test vans or mobile cable fault locations systems – for measuring the distance to a fault and determining the fault type.

Three-phase reflectometers allow for effective detection of low-resistance faults through a comparative analysis of the cores in the cable line, as well as for an automatic determination the nature of the wave resistance inhomogeneities.

The distance to cable faults may be measured using either a low-voltage method of pulse reflectometry (TDR) or advanced high-voltage methods of remote localisation (ARC, ICE, DECAY) with minimal harmful effects on the healthy cable insulation.

Additional advantages of reflectometers by KharkovEnergoPribor Ltd. include a convenient touch control, an ability to export measurements data to a PC, and the use of ARC multi-shot technology (aka MIM), which allows to obtain more reliable results when using arc reflection method of pre-location.

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