Ideal, Clamp Meter, Clamp-Pro, 600 Amp Clamp Meter, Voltage Rating: 400 to 600VAC/DC, Resistance: 400 Ohm/4 Kohm/ 40 Kohm/400 Kohm At 1 PCT + 4 Digits Accuracy, 4 Mohm At 1.5 PCT + 4 Digits Accuracy, 40 Mohm At 3 PCT + 5 Digits Accuracy, Accuracy: Stated Accuracy At 23 Deg C Plus or Minus 5 Deg C, Less Than 75 PCT R.H, Display 3-3/4 Digit LCD With 4000 Counts