Combination Type of digital power meter 193PQ meter can display active power and reactive power in one screen is a precise device of measuring power data of the energy consumption system in real time can replaces an analogical panel meter users can get clear information of which part needs to improve effective management and control of energy. With keyboard can switching measurement range and protection of the parameters of programming by password. Ideal for reducing installation manpower and optimizing the used one of spaces in the panel.