It can complete the electric quantity measurement, electric energy measurement, data display, acquisition and transmission of active and reactive power, and can be widely used in substation automation, distribution automation, intelligent building, and internal electric energy measurement, management and assessment of enterprises. The measurement accuracy is 0.5 level, realizing LED field display and remote RS-485 digital interface communication;

Extended function: RS485 digital interface can realize instrument networking and communication functions; 2 channels of electric energy pulse output and 2 channels of analog quantity (0~20mA/4~20mA) output function can realize the transmission and output function of electric energy and electric quantity; 4-way switch input and 4-way switch output. It can realize local or remote switch signal monitoring and control output functions ("remote signaling" and "remote control" functions), and can combine to realize multiple electric parameter alarm and automatic control functions.

Default function: It can complete the networking of different PLC and industrial control computer communication software in the industry.