Extech GRT300 Ground Resistance Tester

Features

• Large dual line LCD
• Autoranging
• Automatic I (current) spike check
• Automatic P (potential) spike check
• Test Hold function for easy operation
• Automatic Zero adjustment
• AC Earth Voltage
• Data Hold and Auto Power off
• Overrange and low battery indication
• CAT IV 300V rated

The Extech 4-Wire Earth Ground Resistance Tester measures ranges from 2Ω/20Ω/ 200Ω/2000Ω. It has a accuracy ±(2%rdg+3d) and a resolution of 0.01Ω/ 0.1Ω/1Ω/0.01kΩ. The Dimensions are 9.8 x 7.8 x 4.3" (250 x 190 x 110mm). Comes with NIST certification option. The Extech 4-Wire Earth Ground Resistance Tester comes complete with: alligator clips 4 auxiliary earth bars hard carrying case eight 1.5V AA batteries