密度计检定中易产生误差的原因及操作建议

Reasons for Errors in Densimeter Verification and Operation Suggestions

从密度计(浮计型)的检定全过程进行分析,对检定采用的标准器、配套设备、毛细常数修正方法、温度的控制、操作细节等均进行细致地解析并量化误差,针对每项影响因素提出合理的正确操作,为提高密度计检定准确性提供了科学的操作建议。

This paper analyzes and quantifies the errors involved in the whole verification process of densimeter(float type),including standard apparatus,supporting equipment,capillary constant correction method,temperature control,operation details,and so on.By putting forward reasonable and correct operation for each influencing factor,this paper proposes scientific operation suggestions for improving the accuracy of densimeter verification.