Buy Extech GRT300-NISTL, 4-Wire Earth Ground Resistance Tester

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Extech, GRT300-NISTL, 4-Wire Earth Ground Resistance Tester with Limited NIST Certificate

GRT300: 4-Wire Earth Ground Resistance Tester with Limited NIST Certificate

Includes all hardware necessary to measure earth ground In 4 ranges from 2 to 2000Ω

Includes:

Features:

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Technical Details

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)

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)

Note: Please read description carefully. Do not base your order on the picture presented.