The PQ3450-NIST is a 3-phase power analyzer/data logger capable of logging upto 30,000 sets of measurements in Excel format on a removable SD memorycard. Large dot-matrix, sun-readable, numerical, backlit LCD with easy-to-use onscreen menu. Full system analysis with up to 35 parameters. 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, three 200A current clamps, 8 AA batteries, SD card, 100-240V AC adapter and case. Includes certificate traceable to NIST.