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Measure Earth Resistance

How earth resistance is measured? What should be its value?
Asked by: Farhat Shahzad | Member Since Feb-2010 | Asked on: Mar 9th, 2010

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Showing Answers 1 - 5 of 5 Answers
mnkhann143

Answered On : Apr 15th, 2010

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It is measured by three-point method andit's value should be near about zero.

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rammandal

Answered On : Jun 17th, 2010

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This Digital tester measures Earth Resistance, Resistively & Voltage.

  
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Earth resistanace measured by megger instrument.  Its value should be near about  0-3, where 0 is ideal value and it vary for different supply users.

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Earth resistance is measured by means of earth tester or megger. The earth resistance must and should be less than 0 to 5 ohms. If it is above the 5 ohms we say earth resistance is not good.

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soulzangel

Answered On : Oct 4th, 2010

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Earth resisitance can be measured using megger or earth tester and thr resisitance of proper earthing must always be less than 10 ohms and for sensitive installations such as very sensitive communication and computer systems about 2 ohms is recommended.

  
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