论述了铂铑热电偶丝不均匀热电动势的概念,间断式不均匀热电动势测试系统和测量方法.采用样品PtRh10偶丝对间断式不均匀热电动势测试系统进行校验和考核,结果表明:该装置具有实用性.%The concept of Δ EMF of Pt - Rh thermocouple wires was introduced. The Δ EMF measurement system and its procedure were introduced also. The entire calibration of this measurement system was executed by PtRhl0 sample. The results indicate that this measurement system has good practicability.
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