主要用途 Main Purpose

用于新建或改造的城镇居民小区及农村等单相用电用户电能计量，具有预付费功能，特别适合居民住宅小区、机关、厂矿、学校等安装现场，可有效解决收费难问题，是推进需求侧管理工作有效手段。

Used for single-phase electricity metering in newly built or renovated urban residential areas and rural areas, it has a prepaid function and is particularly suitable for installation sites in residential areas, government agencies, factories, mines, schools, etc. It can effectively solve the problem of difficult charging and is an effective means to promote demand side management work.

技术参数 Technical Specifications

标准参比电压(V)：220

标准电流(A)：2.5(10),5(20),10(40),15(60),20(80),30(100)

电流：不大于100A，且不大于标准电流的10 倍

标准参比频率(Hz)：50,60

Standard reference voltage (V): 220

Standard current (A): 2.5 (10), 5 (20), 10 (40), 15 (60), 20 (80), 30 (100)

Maximum current: not exceeding 100A and not exceeding 10 times the

standard current

Standard reference frequency (Hz): 50,60

可选功能 Optional features

1. 可选红外、RS485 或载波通信方式。

2. 显示方式可选LCD、LED 显示或加额外的计度器。

3. 可选的实时时钟、历史数据、事件记录功能。

4. 可选的报警、赊欠、过载检测等功能。

5. IC 卡可选存储卡、逻辑加密卡或CPU 卡。

6. 各种扩展规约可选。

1. Optional infrared, RS485, or carrier communication methods.

2. The display mode can be LCD, LED display, or additional measuring devices.

3. Optional real-time clock, historical data, and event recording functions.

4. Optional functions such as alarm, credit, overload detection, etc.

5. IC cards can be selected from storage cards, logical encryption cards, or CPU cards.

6. Various extension protocols are optional.

产品特征 Product features

1. 采用专门的计量芯片。

2. 主要元器件采用专为电子式电能表设计的专用元器件。

3. 电压采样回路采用电阻分压方式。

4. 电流采样回路采用高质量、高精度、高稳定、宽量程的锰铜分流器。

5. 显示采用可靠的LCD、LED 显示器。

6. 外壳结构牢固，阻燃、抗老化、密封性能好。

7.RS485 通信接口采用独立电源供电，并具有防静电和浪涌保护电路。

8. 采用自保持继电器，可靠、低功耗。

9. 采用标准IC 卡作为电量传递介质，一表一卡，数据经过加密运算，安全性好。

10. 用电数据可回抄到IC 卡中。

1. Adopt specialized measurement chips with high quality, high precision, high sensitivity, high stability, wide range, and low power consumption.

2. The main components are high-quality specialized components designed specifically for electronic energy meters.

3. The voltage sampling circuit adopts resistance voltage division method.

4. The current sampling circuit adopts high-quality, high-precision, high stability, and wide range manganese copper shunt.

5. The display adopts highly reliable LCD and LED displays.

6. The shell structure is firm, flame retardant, anti-aging and good sealing performance.

7. The RS485 communication interface is powered by an independent power supply and has anti-static and surge protection circuits.

8. Adopting patented technology for self-sustaining relays, high reliability and low power consumption.

9. Using standard IC cards as the medium for power transmission, with one meter and one card, the data is encrypted and has good security.

10. Electricity usage data can be copied back to the IC card.