DDZY1789C-Z/J single-phase payment control smart energy meter has the functions of executing time-sharing or step-by-step charging and freezing. It is suitable for residential users who realize local fee control through PLC/RF etc.
Use high-precision, high-sensitivity, high-stability, wide-range, and low-power dedicated metering chips.
Adopt ultra-low power consumption solid-state integration technology, permanent storage of information memory and SMT process design.
The voltage sampling circuit adopts resistor divider method.
The current sampling circuit adopts a highly stable, wide-range manganin shunt.
The display adopts LCD display with wide viewing angle and high contrast brand.
The security encryption chip adopts the national secret SM1 algorithm, the dedicated embedded security authentication module ESAM for electric meters.
The shell is made of high-strength, flame-retardant and environmentally friendly materials, with a firm structure, good sealing performance, high insulation strength and corrosion resistance, and easy installation.