By presenting the theory of LD301 differencepressuretransmitter and the solution for zero point excursion, its performance and advantage are introduced.
通过介绍LD 301差压变送器的原理及零点漂移的解决办法，介绍了它的性能和使用优势。
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A signal (termed the "measured value") which is proportional to the pressuredifference is then transmitted by means of a "differential pressuretransmitter" to the recorder-controller.