EXTECH GRT300 4-WIRE EARTH GROUND RESISTANCE TESTER

Key Features:

  • 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

Earth Ground Resistance ranges: 20Ω/ 200Ω/2000Ω

Basic Accuracy: ±(2%rdg+2d)

Resolution: 0.01Ω/ 0.1Ω/1Ω

Test Current / Frequency: <2.5mA / 820Hz

AC Earth Voltage / Frequency: 0 to 200VAC / 50 to 400Hz

Accuracy: ±(3%rdg+3d)

DC Voltage: 0 to 1000V

Accuracy:  ±(0.8%rdg+3d)

Resistance: 0 to 200kΩ

Accuracy: ±(1%rdg+2d)

Continuity: 40Ω

Power supply: Six 1.5V ‘AA’ Batteries

Dimensions: 7.9 x 3.6 x 2″ (200 x 92 x 50mm)

Weight: 1.5lbs (700g) (meter only)

Introduction Extech GRT300

Includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000Ohm

The 382252 is an Earth Ground Resistance Tester Kit which includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000 omega. Also tests AC/DC Voltage, resistance and continuity. Featuring Automatic zero adjustment and three earth ground resistance ranges 20Ω/200Ω/2000Ω. Complete with test leads, 2 auxiliary earth bars, carrying case, protective rubber holster and six 1.5V AA batteries.

Máy đo điện trở đất Extech GRT300 (8)

Features Extech GRT300

– Microprocessor controlled with advanced safety features

– Two line LCD display

– Auto-Ranging (Extech GRT300)

– Earth resistance testing with four ranges: 0-2Ω/0-20Ω/0-200Ω/0-2kΩ

Earth voltage measuring range of 0-300Vac

– Automatic C spike check.

– Automatic P spike check.

– 2-wire test

– 3-wire test

– 4-wire test

– Auto power off

– Data hold

– Safety standard: EN 61010-1 CATIV 300V, EN 61326-1

Extech Brand

Extech Instruments was established in 1971, it has focused on Test and Measurement tools built for the professionals, tradesperson and DIY’ers. When it comes to tools that help prevent, identify and troubleshoot problems in a plethora of applications; whether it’s electrical, mechanical, maintenance, safety or environmental applications, Extech products are trusted by the professionals and are put to the test every day. With over 45 years, Extech is renowned as one of the largest manufacturers and suppliers of innovative, quality handheld test, measurement and inspection tools in the world. Sold in over 100 countries around the world, Extech’s success is supported by a far-reaching network of dedicated and knowledgeable distributors who introduce new users to Extech every day.

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