“浮子式流量计改革后的误差及修正方法”一文于《计量工作》七三年第四期刊登后,读者对文中的第三部分中最后提到的检定方法问题提出了指正,感谢读者的关心和帮助。现本文从检定原理上谈谈差压流量计的检定,重点是关于浮子流量计改革后检定中名义压差值的换算问题,做为对前文的补充和更正。 After the publication of the fourth issue of “Metrology” in 1973, the reader raised the issue of the last-mentioned verification method in the third part of the article, and thanked the readers for the "Error and Correction Method of the Float- Care and help. This article from the verification principle to talk about the differential pressure flow meter verification, the focus is on the float flowmeter test nominal pressure difference in the conversion, as the supplement and correction.