Measuring & Location Techniques. Made in Germany.


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VLF testing systems

TDS NT

The unique combination system for cable testing and cable diagnosis


The next generation in cable diagnosis

Network operators can now get faster and significantly more reliable information about the quality and the condition of their cables. This is made possible thanks to the brand-new 50 Hz Slope Technology.

For the first time, it has become possible to immediately locate faults in underground cables during the actual PD measurement.

With the 50 Hz Slope Technology for the first time worldwide a withstand test with VLF cosine-rectangular voltage (VLF CR) and PD diagnosis with damped alternating voltage (DAC) is combined in one unit.
This allows an efficient and integrated solution for precise inventory of the network infrastructure. The important fact here is that the PD measurement data, gained with the VLF CR or with the DAC test voltage, can be compared directly with the 50 / 60 Hz networkvoltage.

Special features:

  • Two proven voltage wave shapes in one device
  • Standard compliant VLF cable testing with accompanying PD diagnosis
  • Non-destructive PD diagnosis by means of proven DAC voltage
  • 50 Hz Slope Technology for a direct comparison with the power frequency
  • TDS NT