The product is supported to the DL/T645-1997 《multi-functional electric energy meter》standards.  The product has lent stability, the design of digital signal operations, digital filtering, digital error correction, digital tuning, and temperature compensation technology to meet the needs of high multiples, the low power consumption load records.

This product has precision measurement of voltage; current, power factor, power and other data, and it can measurement of two-way, reactive power rates four images, RS 485 interface, and infrared communication protocol can meet the requirement of the DL/T 645-1997 statute.