ingle-phase static watt-hour double rate meters are made of static single-phase power meter modules and rates modules, LCD display, high reliability, both infrared communication functions. The table has high accuracy, good stability, and strong Shock notable features. Supplying advanced and reliable measurement tools for the single-phase time-of-use measurement. The phenotype consistent with the national standard GB/T15284-1994 "multi-rate (TDM) Meter" and GB / T 17215-1998, "one and two grade static AC energy ammeter", with the Statute DL/T645-1997 "multi-functional table communications statute." And the products meet the technical conditions of time table meter of Zhejiang residents.