DENSIMETER CALIBRATION METHOD VERSUS TEMPERATURE AND PRESSURE

被引：231

作者：

LAGOURETTE, B

BONED, C

SAINTGUIRONS, H

XANS, P

ZHOU, H

机构：

[1] Lab. de Haute Pression, Pau Univ.

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 1992年 / 3卷 / 08期

关键词：

D O I：

10.1088/0957-0233/3/8/002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This article reports a calibration procedure for the commercial Anton Paar DMA 512 densimeter usable at pressures up to 40 MPa. The method is based on water as a reference substance and requires knowledge of the characteristics of the cell as functions of temperature when subjected to a vacuum lower than 100 Pa. Comparison with data from the literature indicates a relative accuracy of 0.1% where the classical calibration method (i.e. assuming no dependence of the densimeter performance upon pressure) led to a relative accuracy of 0.8% for the same substances.

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页码：699 / 703

页数：5

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