短型铂铑30-铂铑6热电偶测试方法研究

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【摘要】本文概述了铂铑30-铂铑6热电偶的特性，并介绍了长度小于700 mm的铂铑30-铂铑6热电偶的检测方法，并分析了其热电动势的测量结果不确定度，以期为相关人员提供参考借鉴。

【关键词】铂铑30-铂铑6热电偶；检定炉；双极法；不确定度

【DOI编码】10.3969/j.issn.1674-4977.2023.03.030

Study on the Test Method of Short Type Platinum-30% Rhodium/Platinum-6% Rhodium Thermocouple

WANG Hao

（Liaoning Institute of Measurement，Shenyang 110004，China）

Abstract：This article summarizes the characteristics of platinum-30% rhodium/platinum-6% rhodium thermocouple，introduces the detection methods of platinum-30% rhodium/platinum-6% rhodium thermocouple with a length less than 700 mm，and analyzes the uncertainty of their thermoelectric electromotive force measurement results，with a view to providing reference for relevant personnel.

Key words：platinum-30% rhodium/platinum-6% rhodium thermocouple；calibration furnace；bipolar method；uncertainty

铂铑30-铂铑6热电偶的分度号为B，属贵金属热电偶，主要用于高温测量及温控。（剩余3811字）