Testing a lightning arrestor can be undertaken with the handheld Megger DET20C ground resistance clamp tester.
The instrument clamps around the arrestor conductor and induces a current to make a direct measurement of the resistance to ground.
The instrument can also be used for general earth testing of the multi-grounded systems and also to measure leakage current. Data storage is provided for download to a computer and fixed interval measurement logging is possible.
Phone: 1300 767 071
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