改进型封装固定点黑体在辐射测温中的应用

刘裕盛; 蔡静

doi:10.3969/j.issn.1000-1158.2021.09.05

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计量学报 ›› 2021, Vol. 42 ›› Issue (9) : 1149-1154. DOI: 10.3969/j.issn.1000-1158.2021.09.05

热学计量

改进型封装固定点黑体在辐射测温中的应用

刘裕盛,蔡静

作者信息 +

Application of Improved Encapsulated Fixed Point Blackbody in Radiation Thermometry

LIU Yu-sheng,CAI Jing

Author information +

文章历史 +

摘要

为了延长固定点黑体容器使用寿命和简化使用流程,依据热管黑体和传统石墨坩埚黑体的设计使用经验,研制了改进型封装固定点黑体。针对所研制的锡固定点黑体分别用二等标准铂电阻和传递辐射温度计开展复现测试。改进型封装固定点黑体在经历20余次熔凝循环后,没有出现破裂和金属泄露现象。用标准铂电阻复现多次的平均值为231.909℃,扩展不确定度为0.015℃(k=2);而用固定点黑体校准传递辐射温度计的多次平均值为231.85℃,扩展不确定度为0.096℃(k=2)。

Abstract

In order to prolong the service life of the fixed point blackbody and simplify the use process, based on the design and use experience of the heat pipe blackbody and the traditional graphite crucible blackbody, an improved package fixed point blackbody was developed. The second-class standard platinum resistance and transfer radiation thermometer are used to carry out the reproduction tests of the tin fixed-point blackbody. After more than 20 cycles of melting and freezing, there is no rupture and metal leakage in the improved encapsulated fixed point blackbody. The average value of multiple tests is 231.909℃, with the help of the standard platinum resistance thermometer, and the expanded uncertainty is 0.015℃(k=2). While with the fixed point blackbody used to calibrate the transfer radiation thermometer, the average value of multiple tests is 231.85℃, and the expanded uncertainty is 0.096℃(k=2).

导出引用

刘裕盛,蔡静. 改进型封装固定点黑体在辐射测温中的应用[J]. 计量学报. 2021, 42(9): 1149-1154 https://doi.org/10.3969/j.issn.1000-1158.2021.09.05

LIU Yu-sheng,CAI Jing. Application of Improved Encapsulated Fixed Point Blackbody in Radiation Thermometry[J]. Acta Metrologica Sinica. 2021, 42(9): 1149-1154 https://doi.org/10.3969/j.issn.1000-1158.2021.09.05

中图分类号： TB942

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