Product introduction
Ddsy1352 single-phase internal control prepayment watt hour meter and dtsy1352 three-phase internal control prepayment watt hour meter are respectively used to measure single-phase and three-phase AC active energy with rated frequency of 50 Hz. They have the functions of prepayment, load control and RS485 communication, and their performance indexes meet the technical requirements of national standards iec62053-21 and iec62053-22.
technical parameter