class of accuracy

Content of Judging the accuracy level of modified electric meter is mentioned.

本文从物理实验角度讨论了简略的电表准确度等级确定原则,从而加深了学生对常用电表知识的理解,充分调动了学生学习积极主动性和创新意识。

Content of judging the accuracy level of modified electric meter is mentioned.

增加对改装电表确定准确度等级的内容,并结合国家规定的检定规程和实验误差思想,从物理实验角度讨论了简略的电表准确度等级确定原则,以加深学生对常用电表知识的理解,充分调动学生的学习积极性和创新意识。

Aiming at the ubiquitous problem of excessively low accuracy class of electric energy metering devices in gas insulated switchgear(GIS),effective and economical altering approaches are studied,which are also applicable to non-GIS electric energy metering devices.

针对目前GIS内装电能计量装置普遍存在准确度等级过低的问题,探讨出一套效果好、费用低廉的改造方法,该方法对非GIS电能计量装置存在的问题也同样具有改造效果。

Then the factors of uncertainty in evaluation of characteristics of measuring instruments which should be considered were discussed according to accuracy class.

论文介绍了测量仪器特性评定的内容和基本方法,并对准确度等级的分类作了详细阐述。