PMC72L series of three-phase power monitoring instrument using pen segment LCD screen, simple and beautiful, high contrast; high-speed processor core, using 22 AD to achieve full power parameter measurement, energy measurement, wide dynamic range, high accuracy. Optional multi-way switch, relay, RS-485 communication module, a variety of functions to meet user needs; can be easily integrated with a variety of intelligent power distribution system. Product features practical, easy to use, easy to maintain. It can be used for monitoring and control of field equipment status, providing support for the power measurement application specialists provide data basis for SCADA and smart grids, intelligent decision-making basis for the efficient management of energy.