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Extech Earth/Ground Resistance Testers

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  1. Extech GRT350
    Extech GRT350 4-Wire Ground Resistance Kit Measure Earth from 2-2000 Ohm
    Order #: GRT350
    Mfg #: GRT350
    Availability: Item discontinued
    $999.00
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    4-Wire Ground Resistance Kit Measure Earth from 2-2000 Ohm Learn More
  2. Extech 382357
    Extech 382357 Clamp-On Ground Resistance Tester
    Order #: 382357
    Mfg #: 382357
    Availability: Item ships in about Ships in 2-3 weeks
    $1,399.00
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    Clamp-On Ground Resistance Tester Learn More
  3. Extech 382252-NIST with NIST Certificate
    Extech 382252-NIST with NIST Certificate Earth Ground Resistance Tester with NIST
    Order #: 382252-NIST
    Mfg #: 382252-NIST
    Availability: Item ships in about Ships in 2-3 weeks
    $423.49
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    Earth Ground Resistance Tester with NIST Learn More
  4. Extech 382252
    Extech 382252 Earth Ground Resistance Tester Kit
    Order #: 382252
    Mfg #: 382252
    Availability: Item ships in about Ships in 2-3 weeks
    $285.99
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    Earth Ground Resistance Tester Kit Learn More
  5. Extech GRT300
    Extech GRT300 4-Wire Earth Ground Resistance Tester
    Order #: GRT300
    Mfg #: GRT300
    Availability: Item ships in about Ships in 2-3 weeks
    $819.00
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    4-Wire Earth Ground Resistance Tester Learn More
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