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Chauvin Arnoux CA6460 Earth Tester Digital 4 Wire 0.01 - 1999 Ohm
In its rugged, leak proof case, the C.A. 6460 is easy to use, designed specifically for work in the field. Wherever it is necessary to install an earth connection or characterize an existing earth, it helps to establish an accurate, fast and reliable diagnosis with optimum comfort and safety.