Class A Single-Phase High-Protection Smart Energy Meter (State Grid IP68 Standard)

A high-protection (IP68) smart energy meter integrated with metering, prepayment control, alarming, display, data freezing, and communication functions.

Product Description

The DDZY208-M Series Class A Single-Phase Prepayment Smart Energy Meter (IP68) utilizes advanced professional energy metering chips, featuring a built-in temperature-compensated hardware clock and an ESAM security encryption chip. Manufactured with advanced microelectronics technology and SMT production processes, it integrates metering, prepayment control, alarming, display, data freezing, and communication functions into a single device to achieve electricity metering and consumption information storage for residential users with specific ingress protection level requirements. Characterized by high precision, robust functionality, and excellent stability, it offers selectable communication modules such as Power Line Carrier (PLC) and low-power wireless communication. Its communication protocol fully complies with the requirements of the DL/T698.45 communication protocol standard.

Product Advantages

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Metering Functions

Forward/reverse active energy metering, with configurable active energy combination modes; Time-of-Use (TOU) metering and stepped-tariff metering.

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Data Freezing Function

Daily freezing, hourly freezing, timed freezing, instantaneous freezing, agreed freezing, and minute freezing.

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Measurement and Monitoring Function

Measures operating parameters including voltage, current, power, power factor, and neutral current.

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Event Logging Function

Records time synchronization, programming, power failure, meter reset, cover opening, and connect/disconnect operations.

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Display Function

Featuring a large-screen Chinese-character LCD display with a backlit prompt, the displayed content can be switched via keys, and the display items can be flexibly configured.

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Fault Indication Function

Indicates faults via relevant symbols or characters on the LCD display.

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Remote Prepayment Control Function

The energy meter receives commands such as disconnection, connection, and power preservation dispatched from the remote master station via communication to perform effective prepayment control, equipped with secure authentication and encryption.

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Communication Function

Equipped with RS485 communication (1 channel), infrared communication (1 channel), and power line carrier communication (optional).

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Tariff

Multi-tariff metering, two sets of tariff time zones, and time period functions.