电导率仪电导池常数的测量不确定度评定

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【摘要】电导率仪是测量液体溶液电导率的主要仪器设备,电导率仪电导池常数对测量数据的准确性有着重大影响。本文依据JJG 376—2007《电导率仪》,对电导率仪电导池常数进行校准,并给出了应用的测量不确定度。

【关键词】电导率仪;电导池常数;测量不确定度

【DOI编码】10.3969/j.issn.1674-4977.2024.05.076

Evaluation of Uncertainty Measurement on Conductivity Meter Conductance Cell Constant

CHENG Shuozhen, ZHAO Sihai, CHEN Yun, LYU Ting, CHEN Yuan

(Hubei Institute of Measurement and Testing Technology, Wuhan 430200, China)

Abstract: Conductivity meter is the main equipment for measuring the conductivity of liquid solution. The conductivity cell constant of the conductivity meter has a great influence on the accuracy of the measurement data. In this paper, based on JJG 376—2007 Electrolytic Conductivity Meters, the uncertainty generated in the measurement process of conductivity meter conductance cell constant is evaluated.

Keywords: conductivity meter; conductivity cell constant; uncertainty measurement

电导率仪是通过电化学测量方法测定电解质溶液电导率的仪器,在水质分析、污水处理、环境检测和工农业生产等领域有着广泛的应用[1-5]。(剩余1587字)

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