1. This paper introduces a new smart watt-hour meter based on mechanical Induction watt-hour meter.

2. A three - phase watt-hour meter with function of piecewise measuring in real time is designed and realized.

3. The text will introduce error test methods of watt-hour meter and uncertainty measurement analysis.

4. DD862 single phase watt-hour meter is an induction meter which is applicable to measure the rated frequency of 50 Hz , and power loss of single-phase intercourse grid.

5. In order to achieve accurate measurement under normal load and lower load, this paper produces a project of three-phase watt-hour meter, with real-time subsection according to load power.

6. A kind of technique of design of a prepaid single - phase electronic watt-hour meter was presented.

7. The performance, working theory and software of functional tester of single - phase watt-hour meter is introduced.

8. This paper includes the following areas:Designed general scheme of prepaid watt-hour meter based on CPU card.

9. Wei could Group sales in Hong Kong and China, exclusive agents of the Israeli production company SATEC electric watt-hour meter and a series of devices equipment.

10. This paper discusses the development of multi - function watt-hour meter and compares the level of technology.

11. The design for assembly language programming, the realization of watt-hour meter and infrared communication function count.

12. The characteristics of a TM card and its reading-writing circuit and software program are discussed in detail, and a design of TM card watt-hour meter is introduced in brief.

12. try its best to collect and create good sentences.

13. The paper compares the three kinds of methods and, according to the characteristics of watt-hour meter in use stratified sampling, considers Neyman allocation as the appropriate method.

14. By practice and research, put on the ideas and requirements for multi - function watt-hour meter.