The DTSY483 three-phase electronic prepaid energy meter is a high-performance measuring instrument that uses a fully digital and intelligent energy metering dedicated chip as its core, combined with intelligent processing technology of a microcontroller. A new generation product with multiple functions such as fully digital energy metering, intelligent charging control, anti-theft electricity management, and user information management. This electric energy meter is an ideal product for the current reform of the electricity system, realizing the commercialization of electricity, solving the difficulty of charging fees, and regulating the load status of the power grid. It can be widely used in residential areas, schools, shopping malls, office buildings and other electricity consuming units.

Main features: Features
*The electric IC card is encrypted multiple times through software and hardware, fully ensuring the security, correctness, and reliability of data. Through special design, the electricity IC card records the remaining and cumulative electricity levels of the meter when the user inserts the card, as well as information on whether there is any electricity theft behavior;
*A comprehensive checkpoint protection circuit can effectively prevent various malicious attacks on the checkpoint;
*Display the remaining battery level, with five digits (four integers and one decimal);
*The remaining battery level reaches the pre alarm level, and the digital display flashes to indicate the remaining battery level, prompting the user to enter a new purchase amount;
*When the remaining power in the energy meter is zero, the meter automatically trips and interrupts the power supply. At this time, the user must bring the purchase card to the electricity sales department to purchase electricity (the power supply department can set an overdrawn power limit, and after inserting the purchase card, the user can use a certain amount of limited energy). After inserting the purchase card with effective power into the meter, normal power supply can be provided;
*When the amount of electricity owed reaches a certain value, the power will automatically be cut off. After inputting new purchased electricity (deducting the overdrawn electricity), the power supply will be automatically restored;
*The application of magnetic holding relays not only improves the reliability of power-off actions and reduces power consumption after power-off actions, but also overcomes the problem of contact adhesion during long-term high current operation of relays;
*Automatically save data during power outages and restore data automatically upon incoming calls;
*The electricity sales management system consists of a computer, a dedicated IC card reader/writer, and billing management software;
*By comparing and analyzing the recorded information, the management system can list users suspected of stealing electricity, in order to focus on inspection and reduce the workload of preventing and mitigating electricity theft;
*Standard IC card hardware encryption prepayment, the power supply department sells electricity in advance by selling purchase cards (IC cards) to collect electricity bills, and users buy first and use later;
*Integrating multiple functions such as fully digital metering, electricity display, prepaid control, card reading, and intelligent anti-theft, it has extremely high reliability;
*Overload protection. If the load exceeds the set maximum current by 20-30% for a continuous period of time, cut off the power supply circuit. The electric energy meter will automatically close after a certain period of delay;
*Equipped with optocoupler isolation pulse test output;
*The R-type adopts a 485 bus to form a meter reading network, while the W-type is equipped with an infrared meter reader.

Dimensions