Important factors include the sampling rate, the zero point of pressure sensor, and the correct calibration of sensor, the revised program and algorism may improve the precision of measurement.

如实时设定的实际采样率和压力传感器零点、对传感器校准与标定的正确性等诸因素均可影响实测数据的精度。

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Under the assumptation that the "Pressure Zero Temperature Point" exists, with the corresponding state method, a new vapor pressure equation was established in this thesis.

在假设存在“压力零点温度”的概念基础上，运用对比态的方法，本文提出了一个新的饱和蒸气压方程。

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By presenting the theory of LD301 difference pressure transmitter 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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