Insulation Resistance Tester Cat. No. 212159; The most basic hand-cranked tester. Dating back to its initial version, this has the longest history and is the most popular
model ever on the market. The dependability of this self-contained generator remains unchallenged.
Major Megger Insulation Resistance Testers are the recognized standard in the industry. The Major Meggers have proven so reliable and popular that they have been reintroduced, generation after generation, with circuitry upgraded to complement the familiar design.
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