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13 instruction manual getest – CIRCUTOR GETEST Series User Manual

Page 13

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13

Instruction manual

Getest

Ground Resistance


Note about auxiliary ground:
The auxiliary ground must be good enough for performing a proper measurement. Take into
account that a bad auxiliary ground will add a resistance in series to the circuit, lowering the
performance of the MPC unit, and therefore, reducing the capacity of injecting current to the
ground.
Corrosion on auxiliary ground terminals are a common cause of problems.
As well, a too dry terrain will affect the auxiliary ground. Pouring water over the surroundings
of the auxiliary ground or the ground pike electrode may solve the issue (safety measures
should be taken to avoid shortcircuit when using/carrying water on electrical instalations)


Min. 15m

Min. 15m

Ground pike

electrode