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首页> 外文会议>ASEE Annual Conference & Exposition;American Society for Engineering Education Annual Conference & Exposition >An Experimental Setup to Measure the Conductivity of a Solid or LiquidSample Utilizing Multi-Frequency LCR Meter
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An Experimental Setup to Measure the Conductivity of a Solid or LiquidSample Utilizing Multi-Frequency LCR Meter

机译：使用多频率LCR仪表测量固体或液体样品电导率的实验装置

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摘要

A computer-controlled automated data acquisition system is designed to measure theconductivity of the liquid (saline water) or the solid sample (rock saturated with saline water) inthe frequency range 10 kHz to 2 MHz. The set-up is based on LCR (Inductor, Capacitor, andResistor) multimeter and four-terminal sample holder system that was developed to reduce thecontact resistance, to minimize any stray capacitance, and residual inductance associated withthe test leads or the test fixture at high frequencies. However, the instrumentation calibrationscheme cannot completely eliminate the aforementioned errors. In order to accomplish this, acalibration model is designed to compensate for the inherent error of the system. In this study,the conductivity of some samples was measured. The measured data was compared withconductivity provided by Society of Core Analysis Guideline (SCA-GL). The agreementbetween available data and experimental data is excellent.
机译：设计了一个计算机控制的自动数据采集系统，以测量10 kHz至2 MHz频率范围内的液体（盐水）或固体样品（饱和盐水的岩石）的电导率。该设置基于LCR（电感器，电容器和电阻器）万用表和四端子样品架系统，其开发目的是降低接触电阻，最大程度地减少杂散电容以及与测试引线或测试夹具在高温下相关的残留电感频率。但是，仪器校准方案无法完全消除上述错误。为了做到这一点，设计了一个校准模型来补偿系统的固有误差。在这项研究中，测量了一些样品的电导率。将测得的数据与核心分析协会（SCA-GL）提供的电导率进行比较。现有数据与实验数据之间的一致性非常好。

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