Lightning Impedance Tester: MODEL 4051

Lightning Impedance Tester: MODEL 4051

The 4051 lightning impulse impedance tester is used to inject a simulated lightning impulse signal at up to 30 Amps between two electrodes such as a Pylon footing and a remote test electrode.

A measurement of the ground impedance between between the two is determined automatically and if the operator so chooses they may also perform a further test to determine how the same impulse can affect the potential of a nearby metallic object within the impulse path.

Two tests are available:

  • Direct Impedance test
  • Electrode Impedance test

These tests may be performed with one or both of the impulse wave shapes below:

  • 8 / 20uS
  • 10 / 350uS

More impulse shapes are available upon request, (contact RPI), however the two outlined above have been found to give the most practical and consistently reliable results.

Data Sheet

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