Test and Measurement - Online Sales

GRT300 4-Wire Earth Ground Resistance Tester Kit

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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
  • Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case and eight 1.5V AA batteries

Not held in local stock. 4 - 6 weeks delivery

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  • Model: GRT300
  • Manufactured by: Extech Instruments

This product was added to our catalog on Tuesday 07 February, 2012.

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