Answer Posted / ramadoss
Dear brother ,
digital earth tester containing of four
leads 1. C1
2. P1
3. P2
4. C2
C1 & P1 ARE LINKED WITH A WIRE AND THAT WIRE GOES TO EARTH
PIT ( wich you want to measure )
P-2 ARE CONNECTED TO SPICE ( ROD ) AND 10 MTR DISTANCE IT
SHOULD BE INSERTED
C-2 ARE CONNECTED TO THE SPICE ( ROD ) AND 15 MTR DISTANCE
IT SHOULD BE INSTERTED
AND ON THE DIGITAL EARTH TESTER AND SET THE VALUE IN 200 OHM
SIDE THERE WAS A BUTTON PUSH TO READ WE WANT TO PRESS
CONTUSIONALLY THEN SOME VALUE WAS SHOWN IN DISPLAY
fOR INDIGIUAL EARTH VALUE 1 OHM IS GOOD
FOR COMBINED EARTH VALUE 5 OHM IS GOOD
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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.
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