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罗斯蒙特3051系列压力变送器的工作原理:工作时,高、低压侧的隔离膜片和灌充液将过程压力传递给灌充液,接着灌充液将压力传递到传感器中心的传感膜片上。罗斯蒙特3051CD传感膜片是一个张紧的弹性元件,其位移随所受压而变化(对于GP表压变送器,大气压如同施加在传感膜片的低压侧一样)。罗斯蒙特3051TA绝压变送器,低压侧始终保持一个参考压力。传感膜片的位移量为0.004英寸(0.1毫米),且位移量与压力成正比。两侧的电容极板检测传感膜片的位置。罗斯蒙特3051系列变送器传感膜片和电容极板之间电容的差值被转换为相应的电流,电压或数字HART(高速可寻址远程发送器数据公路)输出信号。
罗斯蒙特3051CD技术参数及性能特点:
1. 性能优异:0.4% 3051CD2A02A1AB1H2L4M5K5 3051CD3A02A1AB1H2L4M5K5 3051CD4A02A1AB1H2L4M5K5 3051CD0A02A1AB1H2L4M5E5 3051CD1A02A1AB1H2L4M5E5 3051CD2A02A1AB1H2L4M5E5
2.过程隔离膜片:316L不锈钢,哈氏合金C,蒙乃尔,钽(仅限CD,CG)及镀金蒙及尔,镀金不锈钢 3051CD5A02A1AB1H2L4M5I5 3051CD5A02A1AB1H2L4M5K53051CD0A02A1AB3H2L4M5K5 3051CD1A02A1AB3H2L4M5K5 3051CD2A02A1AB3H2L4M5K5 3051CD3A02A1AB3H2L4M5K5 3051CD4A02A1AB3H2L4M5K5
3.校验量程从0.1inH2O至4000psia(25Pa到27.6mPa) 3051CD1A22A1AB4M5DF 3051CD2A22A1AB4M5DF 3051CD3A22A1AB4M5DF 3051CD4A22A1AB4M5DF
4.共平面平台允许将阀组、元件和远传装置一体化 3051CD3A22A1AB4M5E5 3051CD4A22A1AB4M5E5 3051CD5A22A1AB4M5E5 3051CD1A22A1AB4M5I5 3051CD2A22A1AB4M5I5 3051CD3A22A1AB4M5I5 3051CD4A22A1AB4M5I5
5.总体性能高达 0.125%,五年稳定性3051CD1A22A1AB4M5 3051CD2A22A1AB4M5 3051CD3A22A1AB4M5 3051CD4A22A1AB4M5 3051CD5A22A1AB4M5
6.复合量程(仅限CD、CG),可测量负压3051CD5A02A1AB3H2L4M5E53051CD0A02A1AB3H2L4M5I5 3051CD1A02A1AB3H2L4M5I5 3051CD2A02A1AB3H2L4M5I5 3051CD3A02A1AB3H2L4M5I5 3051CD4A02A1AB3H2L4M5I5
7.设计小巧、坚固而质轻,易于安装 3051CD0A02A1AB1H2L4M5E5 3051CD1A02A1AB1H2L4M5E5 3051CD2A02A1AB1H2L4M5E5 3051CD3A02A1AB1H2L4M5E5 3051CD4A02A1AB1H2L4M5E5 3051CD5A02A1AB1H2L4M5E5
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