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DDZY722-M State Grid Series Single-Phase Smart Prepaid Energy Meter
Home / Products / Electric Energy Meter / Smart Energy Meter / DDZY722-M State Grid Series Single-Phase Smart Prepaid Energy Meter
  • DDZY722-M State Grid Series Single-Phase Smart Prepaid Energy Meter
  • DDZY722-M State Grid Series Single-Phase Smart Prepaid Energy Meter
  • DDZY722-M State Grid Series Single-Phase Smart Prepaid Energy Meter
  • DDZY722-M State Grid Series Single-Phase Smart Prepaid Energy Meter

DDZY722-M State Grid Series Single-Phase Smart Prepaid Energy Meter

The DDZY722 Single-Phase Smart Prepaid Energy Meteradopts internationally advanced metering technology and SMT (Surface Mount Technology) manufacturing processes. It features high accuracy and low power consumption. This product supports prepaid electricity management and enables data exchange with the backend management system through various communication methods. Designed for smart grids and residential electricity management, it offers a high-efficiency solution. Through flexible communication module expansion, the DDZY722 series meets a wide range of application scenarios, including:

DDZY722-D: Supports dual-mode communication (PLC and wireless).
DDZY722-Z: Supports power line carrier (PLC) communication, suitable for long-distance and complex environments.
DDZY722-1: Supports wireless communication, ideal for flexible deployment and real-time data collection.

Features

1.1 Prepaid Management

Supports prepayment by users, with real-time balance updates via backend systems.
Enables remote disconnection and reconnection of power supply.

1.2 Data Storage and Display

Real-time display of key electrical parameters such as energy consumption, current, and voltage.
Supports historical data inquiry and stores up to 24 months of monthly freeze records.

1.3 Multiple Communication Methods

Equipped with RS485 communication interface.
Supports remote data acquisition and transmission, suitable for integration with smart grid systems.

1.4 Alarming and Protection

Low voltage alarm function.
Supports tamper detection and alarm notifications.

Industry Standards and Certifications

2.1 Energy Measurement Standards

GB/T 15284-2022 Multi-rate Energy Meters – Special Requirements
GB/T 17215.323-2022 AC Measurement Equipment – Particular Requirements – Part 23: Static Reactive Energy Meters (Class 2 and 3)
GB/T 17215.321-2021 AC Measurement Equipment – Particular Requirements – Part 21: Static Active Energy Meters (Class A, B, C, D, and E)
GB/T 17215.211-2021 Electricity Metering Equipment (AC) – General Requirements, Tests and Test Conditions – Part 11: Measuring Equipment

2.2 Multifunction Energy Meter Specifications

DL/T 614-2007 Multifunction Energy Meter
DL/T 645-2007 Communication Protocol for Multifunction Energy Meter

2.3 Smart Energy Meter Specifications

Q/GDW 10364-2020 Technical Specification for Single-Phase Smart Energy Meter
Q/GDW 10355-2020 Type Specification for Single-Phase Smart Energy Meter
Q/GDW 10365-2020 Function Specification for Smart Energy Meter

2.4 Information Exchange and Security Certification

Q/GDW 11778-2017 Object-Oriented Power Usage Data Exchange Protocol
Q/GDW 10365-2020 Security Certification Technical Specification for Smart Energy Meter Information Exchange

Parameter
Project Parameter
Working Voltage Range 0.9Unom - 1.1Unom
Startup Voltage 0.8Unom - 1.15Unom
Quiescent Power Consumption ≤1.5W
Maximum Power ≤3W
Backup Battery Capacity 3.8V 1200mAh
Operating Temperature -25°C - +55°C
Storage Temperature -40°C - +70°C
Relative Humidity 45% - 75%
Who We Are

Founded in 1992, Zhejiang Soocia Electric Meter Co., Ltd. is a dedicated specialist in electricity metering with over 30 years of experience. The company focuses on the R&D, manufacturing, and sales of electricity meters, with a product portfolio spanning three major categories: mechanical, electronic, and smart meters.

Over the years, Soocia has established a long-term strategic partnership with State Grid Corporation of China, positioning itself as a core supplier. Building on this domestic success, the company has also expanded into international markets across Southeast Asia, Europe, and Africa, earning a strong reputation among customers worldwide.

Certificate Display
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  • Test Summary Report
  • Certificate Of Compliance
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  • Certificate Of Com pliance
  • Certificate Of Com pliance
  • Kema Type Testcertific Cate Of Compl Ete Type Tests
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Zhejiang Soocia Electric Meter Co., Ltd.