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
DC Voltage: 0 to 1000V
Resistance: 0 to 200kΩ
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.
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 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.