真空干燥箱测量方法探讨与试验  

Exploration and testing of vacuum oven measurement methods

作　　者：陈素 CHEN Su(Institute of Metrology of Hebei Province,Hebei 050051,China)

机构地区：[1]河北省计量监督检测研究院,河北石家庄050051

出　　处：《工业计量》2025年第1期9-12,共4页Industrial Metrology

摘　　要：真空干燥箱在使用时参照环境试验设备类产品温度参数校准方法测量腔体内温度,由于传热方式发生变化,按照传统测量方法会产生较大偏差,测温准确性难以保障。文章根据真空干燥箱产品结构特点及测温原理,结合实际使用经验,探索研究真空干燥箱温度参数更为科学合理的校准方法,通过试验结果的分析比较,对温度偏差测量结果进行不确定评定,可提高该类产品的测温准确性,能够为生产企业改进产品和检测校准机构更加准确测温提供参考。Vacuum ovens are usually calibrationed with reference to the calibration methods of environmental equipment products,and due to the change of heat transfer mode,large deviation will be generated,and it is difficult to guarantee the accuracy of temperature measurement.In this paper,according to the structural characteristics of vacuum ovens and the principle of temperature measurement,combined with the actual use of experience,to explore and study the vacuum ovens temperature parameters of a more scientific and reasonable calibration method,through the analysis and comparison of the experimental results of the temperature deviation measurement results of the uncertainty assessment,which can improve the accuracy of temperature measurement of this type of products,can be used for the improvement of the products of the production enterprises and the detection of the calibration institutions to provide a reference for a more accurate measurement of the temperature.

关 键 词：真空干燥箱 传热方式 温度偏差 校准方法 不确定度 

分 类 号：TP2[自动化与计算机技术—检测技术与自动化装置]