THE 2-MINUTE RULE FOR GROUND RESISTIVITY TESTING BANGLADESH

5, with 1.33 favored.  You'd also require to keep taking readings and increasing your spacings at those intervals until finally your spacings are no less than as terrific because the depth you are trying to study, ideally two or 3 times as great.  This would definitely imply several dozens of measurements and lots of do the job.Harmonics, 60 Hz b