The PHA 3300 is an instrument for measuring and analyzing single- and three-phase systems in compliance with the European regulation EN 50160.Real time monitoring, recording and analyzing single- and three phase power supply systems.Measuring of a wide range of values, such as True RMS voltage, True RMS current, power energy (Watt, Var and VA), power factor Cos phi, and harmonics.Internal memory for storage of data (2 Mb)Calculation of minimum, average and maximum value for use on standard reports.Oscilloscope mode for viewing (real-time) and storing of current and voltage waveforms.Harmonics measurements up to the 63rd Realtime and stored.Energy monitoring and analysis.RS232 serial interface for connection to a PC Windows software for data analysis and instrument controls included