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Extech GRT300

4-Wire Earth Ground Resistance Tester

Order #: GRT300

Mfg Part #: GRT300

$799.00 USD

$703.12 USD


Ships in 2-3 weeks

Free shipping over $250

This product is available for shipping to United States, Canada and Puerto Rico only

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Compare Products in this Series

Extech GRT350 Extech GRT350

4-Wire Ground Resistance Kit Measure Earth from 2-2000 Ohm

Order #: GRT350

Ships in 2-3 weeks

$999.00 USD

$879.12 USD

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Overview :

Product Highlights

  • Measure earth ground in 4 ranges from 2 to 2000 Ohm
  • 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

Each Unit Includes

  • Test leads with alligator clips
  • 4 auxiliary earth bars
  • Hard carrying case
  • Eight 1.5V AA batteries

Accessories :