DTS238 series rail-phase energy meter, My latest research and development of new single-phase electronic power meter. The table performance in full compliance with the relevant technical requirements GB / T17215-2 002 national and international standard IEC62053 1 or 2 single phase energy meter can accurately and directly measure the rated frequency 50Hz or 60Hz single-phase AC power grid in the active energy by stepping mechanical counter or LCD display the total electricity consumption, with good reliability, small size, light weight, beautiful appearance, flexible installation and convenient. 18879978399