"Alpha 70 is a compact, multi function power quality meter which measures, calculates and displays major electrical parameters of 3 phase power systems.Panel mounting. Phasor representation of all 3 phases for system analysis. Measures and monitors more than 80 parameters. Energy class 0.5s as per standard IEC 62053-22. True representation of Voltage & Current waveforms. Real-time clock (RTC). Individual Harmonics up to 56th Harmonics. Time of use with configurable zones, seasons & tariff profiles which helps energy analysisCutout Height = 92mmCutout Width = 92mmDisplay Type = LCDNumber of Digits = 14Depth = 80mmMinimum Temperature = -20°CMaximum Temperature = +70°CMeasurement Range = 1 - 5 A (Current), 100 - 500 V (Voltage), 60 - 300 V (Aux)Maximum Measurement = 300 V (Aux), 5 A (Current), 500 V (Voltage)Minimum Measurement = 1 A (Current), 100 V (Voltage), 60 V (Aux)"