摘要： 根据压力盒的工作原理,分析其外型尺寸、压力传递介质、盒体材料及温度等测值准确性的影响,并介绍了择优选择压力盒的原则。

Abstract: According to the work principle ofpressure cell, the effects ofexterior size, pressure transfer medium, cell material and temperature on the measuring value accuracy have been analyzed, then how to select pressure cell is introduces.