This paper discusses the error of Mechanical-electronic prepaymentmeter, its calculation, testing and adjusting method.
讨论机电式预付费电能表的误差计算、测定和调整方法。
2
For the default of the watthour meter at present, a new solution by using the 8031 single-chip microcomputer to develope a model of electronic prepayment watthour meter is introduced in this paper.
针对现有电度表存在的缺点，提出了利用8031单片机研制新型电子式预付费电度表的方案。
3
The research of this part will make the reference to the second part for IC card sampling in the smart card prepayment gas meter application system hardware design.