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    EXTECH GRT300 4-Wire Earth Ground Resistance Tester Kit

    # GRT300

    • Earth resistance measurements up to 2000?
    • 2, 3 and 4 wire testing procedures
    • Also measures AC earth voltage
    • EXTECH
    • GRT300
    • Type
    • Weight
    • 4-wire, 3-wire, and 2-wire testing
    • Large dual line LCD
    • Automatic I (current) and P (potential) spike check
    • Test Hold function for easy operation
    • Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off
    • AC Earth Voltage
    • Overrange and low battery indication
    • Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries
    • Test leads with alligator clips
    • 4 auxiliary earth bars
    • Hard carrying case
    • Eight 1.5V AA batteries

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