Chint DDS666 Series Single-Phase Electronic Watt-Hour Meter

The Chint DDS666 Series Single-Phase Electronic Watt-Hour Meter is a metering device specifically designed for residential users, supporting high-precision electrical energy measurement and intelligent management.

eu. Core Functions and Features

1. High-Precision Metering

– Supports metering of forward and reverse active electrical energy; reverse electrical energy is automatically accumulated as forward energy.

– Accuracy classes are available in Class 1 or Class 2, meeting metering requirements for different scenarios.

2. Flexible Display and Communication

Display Mode

– Meter counter display (mechanical digits) or LCD display (backlight optional).

Communication Interface

– The LCD version comes standard with infrared and RS485 interfaces, supporting the DL/T 645-1997/2007 communication protocol. It can be connected to power systems to realize remote meter reading and data management.

3. Wide-Range Adaptability

Voltage Range

– Supports 220V±20% (extended range: 0.8Un~1.2Un), adapting to power grid environments with large voltage fluctuations.

Current Specifications

– Multiple options are available, including 1.5(6)O, 5(40)O, 10(60)O, şi 20(100)O, meeting the electricity needs of different households or small commercial users.

Temperature Range

– Temperatura de functionare: -25℃~+55℃; extreme temperature: -40℃~+70℃, suitable for harsh environments.

4. Low Power Consumption and Reliability

– Power consumption of voltage circuit ≤ 2W/5VA; power consumption of current circuit ≤ 1VA, ensuring energy efficiency during long-term operation.

– Adopts industrial-grade components and SMT (Surface Mount Technology) process, featuring strong anti-interference capability and a service life of over 10 ani.

II. Model and Price Reference

**Note**: Prices may fluctuate due to differences in sales channels and regions. For specific quotations, please refer to WhatsApp: 0086-13811255435.

III. Installation and Usage Guide

1. Metoda de instalare

Dimensiuni

– The meter counter display model has dimensions of 150mm×118mm×59mm, and the LCD display model is 160mm×112mm×58mm, both compatible with standard meter boxes.

Wiring

– Adopts 4 terminal blocks (1 for live wire input, 2 for live wire output, 3 for neutral wire input, 4 for neutral wire output). Installation must be performed by a professional electrician to ensure secure wiring and no short circuits.

2. Precauții de utilizare

– Avoid installation in humid, la temperatură ridicată, or strong magnetic field environments; it is recommended to install the meter in a well-ventilated location.

– Clean the meter body regularly to prevent dust accumulation from affecting heat dissipation and display performance.

– If verification is required, contact a professional metering institution; do not disassemble the meter by yourself.

3. Remote Meter Reading Configuration

– Connect to a concentrator or intelligent meter management system via the RS485 interface, supporting batch data collection and analysis.

– Can be used with the Chint Cloud Platform to realize functions such as real-time electricity consumption monitoring and electricity fee statistics (additional communication module is required).

IV. Probleme comune și întreținere

1. Troubleshooting

No Display

– Check if the power supply is normal, if the fuse is blown, or try restarting the meter.

Communication Failure

– Confirm whether the RS485 wiring is correct and whether the baud rate setting matches the system.

Abnormal Metering

– If inaccurate metering is suspected, use verification equipment to test the pulse output or contact the power supply department for verification.

2. Recomandări de întreținere

– It is recommended to conduct a comprehensive inspection every 5 years to ensure metering accuracy and equipment stability.

– Disconnect the power supply when the meter is not in use for a long time to extend its service life.

V. Recommended Alternative Models

If the DDS666 cannot meet your needs, the following models can be considered:

1. DDSY666 Prepayment Watt-Hour Meter

– Supports Bluetooth recharge and payment via mobile app, suitable for scenarios requiring prepayment management.

– Equipped with over-load protection and balance alarm functions to avoid power outages due to unpaid fees.

2. DDSU666 DIN-Rail Watt-Hour Meter

– Compact size, can be installed on a 35mm DIN rail, suitable for scenarios with limited space in distribution boxes.

– Supports the Modbus protocol, facilitating integration into industrial automation systems.

VI. Purchase and After-Sales Service

Purchase Channel

– Chint Electric official website; WhatsApp: 0086-13811255435

With its high reliability, flexible configuration, și eficiența costurilor, the Chint DDS666 Series Meter is an ideal choice for household and small commercial users. Strictly following the operation specifications during installation and use ensures long-term stable operation of the equipment.