139彩票APP

压力变送器选用必须考虑的六大因素

文章来源:http://handanxww.com 发布时间:2018-05-09 浏览次数:251

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第一,接液材质

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第二,精度等级

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第三,量程范围

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第四,输出信号

MUQIANYOUYUGEZHONGCAIJIDEXUYAO,XIANZAISHICHANGSHANGYALIBIANSONGQIDESHUCHUXINHAOYOUHENDUOZHONG,ZHUYAO4~20mA,0~20mA,0~10V,0~5VDENGDENG,DANSHIBIJIAOCHANGYONGDESHI4~20mAHE0~10VLIANGZHONG,ZAIWOSHANGMIANJUDEZHEIXIESHUCHUXINHAOZHONG,ZHIYOU4~20mAWEILIANGXIANZHI(WOMENSUOSHUODESHUCHUWEIJIXIANZHIBUBAOHANJIEDIHUOPINGBIXIAN),QITADEJUNWEISANXIANZHI。

第五,介质温度

由于压力变送器的信号是通过电子线路部分转换的,所以一般情况下,压力变送器的测量介质温度为-30到+100度,如果温度过高,我们一般采用的是冷凝弯来冷却介质,这样相对让厂家特地为你生产一个耐高温的压力变送器的成本会降低很多。

第六,测量介质

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