DBW型热电偶温度变送器的参比端补偿和非线性校正电路的分析计算

The Analysis and Calculation of Reference Junction Compensation and Non-linear Correction Circuits for DBW Type Thermocouples

讨论了DDZ—Ⅲ系列仪表中DBW热电偶温度变送器的参比端补偿和非线性校正等两种电路的工作原理和分析计算,说明了设计计算的步骤,并以S、K、E三种分度号热电偶为例作了电势特性与计算的具体分析。

The operational principle and analytical calculation of reference junction compensation and non-linear correction circuits for DBWT/C temperature transducer n DDZ-Ⅲ series instru ments are discussed. The procedure of designing calculation is described. The potential characteristics and calculation are analyzed concretely with the S, K, ET/C as example.