... apparent and reverse apparent power at different time.(4) Measure the maximum demand: Function of measuring the active positive and reverse, apparent ... (sharp, peak, flat, valley), 10 periods, 4 sets of period tables, 10 time zones, 24 public holidays, 200 special holidays. The rate ... set by the user in the rolling way. 7 kinds of time interval data (1, 5, 10, 15,20,30,60 minutes ...