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Extech grt300 earth testing kit
extech grt300 earth testing kit
Extech grt300 earth testing kit
Extech grt300 earth resistance testing kit extech grt300 the extech grt300 earth testing kit includes all hardware necessary to measure earth ground resistance in 4 ranges from 2 to 2000 omega supplied with test leads with alligator clips 4 x auxiliary earth bars hard carrying case and 8 x 1 5v aa batteries extech grt300 earth testing kit

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