Extech 382357 Clamp-on Ground Resistance TesterExtech 382357 Clamp On Ground Resistance Tester Clamp On Ground Resistance Tester Enables non contact measurements of ground conductors Without the need for auxiliary spikes Key Features: Autoranging ground resistance measurements from 0. 03 to 1500 with 0. 02 resolution True RMS AC Leakage current range of 0. 2mA to 30. 00A Programmable datalogging with 116 data points Programmable Hi Lo alarm 0. 9" (23mm) Jaw size for large ground rods Simplifies
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