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变送器是将各种物理量转换成电信号的器件。本文介绍了两线制、三线制、四线制模拟直流信号变送器的工作原理和结构,以及各种变送器在仪表中的应用。
Transmitter is a device that converts a variety of physical quantities into electrical signals. This article describes the two-wire system, three-wire system, four-wire analog DC signal transmitter works and structure, as well as a variety of transmitters in the instrument in the application.