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Extech GRT300 4-Wire Earth Ground Resistance Tester Kit

Model: GRT300

MFG Part# GRT300
GTS Price $999.00
Inventory Ships in 2-3 Weeks



Extech GRT300 - 4-Wire Earth Ground Resistance Tester Kit

4-Wire Earth Ground Resistance Tester Kit

Includes all hardware necessary to measure earth ground

In 4 ranges from 2 to 2000Ω

Key Features:

  • 4-wire, 3-wire, and 2-wire testing
  • Large dual line LCD
  • Autoranging
  • Automatic I (current) spike check
  • Automatic P (potential) spike check
  • Test Hold function for easy operation
  • Automatic Zero adjustment
  • AC Earth Voltage
  • Data Hold and Auto Power off
  • Overrange and low battery indication
AC Earth Voltage/Frequency 0 to 300VAC/40 to 500Hz Accuracy ±(2% rdg + 3d) Power Supply Eight 1.5V 'AA' Batteries Dimensions 9.8 x 7.8 x 4.3" (250 x 190 x 110mm) Weight 3.15 lbs (1430g) (batteries included) AC Earth Voltage/Frequency0 to 300VAC/40 to 500HzAccuracy±(2% rdg + 3d)Power SupplyEight 1.5V 'AA' BatteriesDimensions9.8 x 7.8 x 4.3" (250 x 190 x 110mm)Weight3.15 lbs (1430g) (batteries included)AC Earth Voltage/Frequency0 to 300VAC/40 to 500HzAccuracy±(2% rdg + 3d)Power SupplyEight 1.5V 'AA' BatteriesDimensions9.8 x 7.8 x 4.3" (250 x 190 x 110mm)Weight3.15 lbs (1430g) (batteries included)
Earth Ground Resistance ranges2Ω/20Ω/200Ω/2000Ω
Basic Accuracy±(2% rdg + 3d)
Resolution0.01Ω/0.1Ω/1Ω/0.01kΩ
Test Current/Frequency
Calibration Lab


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