由于定期维修计划在更换不准确的仪表方面不具有成本效益，作者建议采用统计抽样方案作为替代方案。介绍了抽样试验的原理和设计。拟议的项目将减少电表更换和维修及其相关成本。包括10个参考文献、表格和图表。

Because a periodic repair program has not been cost-effective in replacing inaccurate meters, the author suggests a statistical sampling scheme as an alternative program. The theory and design of the sampling test are described. The proposed program will reduce meter changes and repairs and their associated costs. Includes 10 references, tables, figure.