Extech GRT300 4-Wire Earth Ground Resistance Tester
| 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) |
