Greenlee® Clamp Meter, Standard, 60/600/1000 A at 600/1000 VAC/VDC Electrical Rating, 600 Ohm/6/60 kOhm Resistance, 40/50 Hz Frequency, 2 in Jaw, 6000 Count, Backlit LCD Display, True RMS AC Response, +/-2.2% + 0.17 A at 0 to 3.99 A, +/-2.2% + 0.07 A at 4 to 60 A AC Current Accuracy, +/-1.8% + 0.7 VDC at 600 VAC, +/-1.8% + 7 VDC at 1000 VAC Voltage Accuracy, Safety Rating: CAT III 1000 V/CAT IV 600 V, 1.5 V AA Battery Power Source, 14 to 122 deg F Operating, 10.1 in L x 3.7 in W x 1.7 in D Dimensions,