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Extech GRT300 4-Wire Earth Ground Resistance Tester

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Extech GRT300  4-Wire Earth Ground Resistance Tester Ground Resistance Testers Extech Instruments Test & Measurement Products


Download Files

GRT300_UM-en.pdf (856.6 KB)
GRT300_DS-en.pdf (255.54 KB)
Specifications Range
Earth Ground Resistance ranges 2Ω/20Ω/ 200Ω/2000Ω
Basic Accuracy ±(2%rdg+3d)
Resolution 0.01Ω/ 0.1Ω/1Ω/0.01kΩ
Test Current / Frequency <2mA / 820Hz
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 3.15lbs (1430g) (batteries included)

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