AC Current Clamp Probe, Voltage Rating: 600 VRMS/VDC, Amperage Rating: 1500 AMP RMS (50/60 HZ) Maximum Non-Destructive, Measuring Range: 800 AMP RMS Nominal Current, 100 MILAMP - 800 AMP RMS At Continuous Current, Accuracy: Plus/Minus 1 PCT Of Reading, Diameter: 54 MM Maximum Conductor, Length: 1.6 MR Output cable, Impedance: Load: Less Than Or Equal To 20 OHM, Operating Temperature: -10 To 55 DEG C, Storage Temperature: -40 To 70 DEG C, Operating Humidity: 15 - 85 PCT (Non-Condensing), CAT III 600 V Rated, C/US CSA Certified, CE Certified, N10140 Confirmed, EN 61010-1: 2001, EN 61010-2-032: 2002, EN 61010-031: 2002, EN 61326 :1998 And A1, A2 And A3