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Extech GRT300 4-Wire Earth Ground Resistance Tester
4-Wire Earth Ground Resistance Tester

Order #: GRT300

Mfg #: GRT300

Questions about availability or need help? Contact Us:

(800) 633-0561
$1,216.60

Extech GRT300 4-Wire Earth Ground Resistance Tester

4-Wire Earth Ground Resistance Tester

Order #: GRT300

Mfg #: GRT300

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$1,216.60
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Availability: Ships in 3-4 weeks

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Add Calibration

You have chosen to add the following Calibration Services to Your Order

Make sure your instrument is calibrated and ready to use the minute you open the box by adding our expert calibration service. Why Calibrate? For a complete descriptions of Transcat Service Levels, click here.

Already have this this item and need calibration? Request a calibration quote

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

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
Win a Generac Generator when purchasing $750 or more from Transcat.Win a Generac Generator when purchasing $750 or more from Transcat.
Technical Resources
Extech 4-Wire Earth Ground Resistance Tester Kit Datasheet