The PQ3450-12 is a 1200 Amp Data logging Power Analyzer (up to 30,000 sets of measurements). Large dot-matrix, sun-readable, numerical, backlit LCD with easy-to-use onscreen menu. Full system analysis with up to 35 parameters. Includes 1200 Amp Current Clamps. Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio for high power distribution systems. Log up to 30,000 reading on a removable SD memory card in Excel^® format. Wide sampling rate range (2 seconds to 2 hours). Built-in Clock and Calendar. Complete with 4 voltage leads with alligator clips, 8 AA batteries, SD card, 100-240V AC adaptor and case.