Extech GRT300 4-Wire Earth Ground Resistance Tester

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Extech GRT300 4-Wire Earth Ground Resistance Tester

  • 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

Product Description

Extech GRT300 4-Wire Earth Ground Resistance Tester

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EXTECH GRT300 4-WIRE EARTH GROUND RESISTANCE TESTER - Techmaster  Electronics JSC

Measures earth ground resistance in 4 ranges from 2 to 2000 Ohm.

The GRT300 measures 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.

Features Extech GRT300 4-Wire Earth Ground Resistance Tester

  • 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

Specifications Extech GRT300 4-Wire Earth Ground Resistance Tester

SpecificationsRange
Earth Ground Resistance ranges2Ω/20Ω/ 200Ω/2000Ω
Basic Accuracy±(2%rdg+3d)
Resolution0.01Ω/ 0.1Ω/1Ω/0.01kΩ
Test Current / Frequency<2mA / 820Hz
AC Earth Voltage / Frequency0 to 300VAC / 40 to 500Hz
Accuracy±(2%rdg+3d)
Power supplyEight 1.5V ‘AA’ Batteries
Dimensions9.8 x 7.8 x 4.3″ (250 x 190 x 110mm)
Weight3.15lbs (1430g) (batteries included)

 


Extech GRT300 – Manual


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Additional Information

Brand

EXTECH

Model

GRT300

Made In

USA

Weight

5 kg

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