【摘要】 以电容为敏感元件,利用电磁谐振技术研制了石油产品水分测定仪。阐述了仪器的测量原理,详细分析了仪器的影响因素,提出了用相变温控技术补偿温度影响误差。给出了仪器的硬件和远程测量软件系统,并在不同温度条件下,对不同的石油产品水分进行测定实验,实验表明:该仪器不需任何化学试剂,且重复性很好,最大重复性误差小于4%,完全满足实际需要。更多还原

【Abstract】 Using electric capacity as the sensitive piece and making use of the electromagnetism oscillation technique,the new instrument for petroleum products humidity was researched.Itsmeasure principle was described and the factor of influence was analyzed in detail,the method of compensation temperature error used temperature control phase change technique was introduced.The instrument hardware and the software system of measurement were presented,the experiment of petroleum products humidity under different temperature was carried out,the experiment results indicate that the instrument need not any reagents,its repetition is good,the max error of repetition is lessthan 4%,so it is satisfyingto practicalmeasurement.更多还原