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首页> 外文会议>International Symposium on Temperature and Thermal Measurements in Industry and Science; 20040622-25; Cavtat-Dubrovnik(HR) >UNIVERSAL SYSTEM FOR MEASURING THERMOCOUPLE INHOMOGENEITIES AND IMMERSION PROFILES OF SPRTS
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UNIVERSAL SYSTEM FOR MEASURING THERMOCOUPLE INHOMOGENEITIES AND IMMERSION PROFILES OF SPRTS

机译：衡量运动热异质性和沉浸特征的通用系统

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摘要

In this paper an automatic system for thermocouple inhomogeneity detection is presented. The same system can be used for measurement of immersion profiles of SPRTs in fixed-point cells. It is a flexible portable system that enables accurate and reproducible measurements, even when a great number of repetitions and long measurement periods are required. Also the workload on the operator performing such measurements is significantly decreased. The main part of the system is based around a microcontroller, which controls the stepper motor for carriage movement. It is also used for communication with a PC computer, where a custom written software in Lab VIEW serves as a user interface. Due to its design, the system can be used for performing measurements either vertically or horizontally. This way the system can take advantage of the existing equipment in the laboratory. It can easily be mounted on different baths and furnaces. The measurement results of thermal emf for inhomogeneity detection are presented for different heat sources such as water bath, oil bath and heat-pipe furnace. Measurements of immersion profile were performed in a triple point of water fixed-point cell.
机译：本文提出了一种用于热电偶不均匀性检测的自动系统。相同的系统可用于测量SPRT在定点单元中的浸没曲线。它是一种灵活的便携式系统，即使需要大量的重复和较长的测量周期，也可以进行准确且可重复的测量。而且，显着减少了执行这种测量的操作员的工作量。该系统的主要部分基于微控制器，该微控制器控制步进电机的滑架运动。它还可用于与PC计算机进行通信，其中Lab VIEW中的自定义编写软件充当用户界面。由于其设计，该系统可用于垂直或水平执行测量。这样，系统可以利用实验室中的现有设备。它可以轻松地安装在不同的熔池和熔炉上。给出了用于水浴，油浴和热管炉等不同热源的热电动势用于不均匀性检测的测量结果。在水定点池的三点中进行浸没曲线的测量。

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