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热电偶温度变送器的组成和供电接线方式

点击次数:   发布时间:2016-01-11 16:56:28

        热电偶温度变送器是一种将温度变量转换为可传送的标准化输出信号的仪表。主要用于工业过程温度参数的测量和控制。带传感器的变送器通常由两部分组成:传感器和信号转换器。传感器主要是热电偶或;信号转换器主要由测量单元、信号处理和转换单元组成(由于工业用和热电偶分度表是标准化的,因此信号转换器作为独立产品时也称为变送器),有些变送器增加了显示单元,有些还具有现场总线功能。热电偶温度变送器原理变送器如果由两个用来测量温差的传感器组成,输出信号与温差之间有一给定的连续函数关系。故称为温度变送器。

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