Electronic single-phase power meter Reference voltage 220v Voltage reference un-1 .2 0.7ub Current specifications 5-30a Reference frequency 50hz Grading accuracy + level Starting current 0.005ib = 0.025a Voltage power lines Communication transmission distance no Environmental conditions -25f¬f+70f¬ Relative humidity -_85% Automatic relay depth Data transmission speed Center frequency Dimensions
