Null balance Megger earth tester, patent number 963374, catalogue number 63220, instrument number 2038884, by Evershed and Vignoles Ltd, Acton Lane Works, Chiswick, 1950-68. Null balance Megger earth ...
NORRISTOWN, PA—Megger has enhanced its DET2/3 earth/ground resistance tester by adding new optional test lead reels that dramatically reduce time and frustration for the operator. This ...
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