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压力变送器量程选定与误差分析

ZUOZHE: SHIJIAN:2018-11-21 09:34

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不管是什么变送器,在使用(use)中总会遇到一些没有办法避免的问题,比如说压力变送器无法避免偏差。而我们在选择(xuanze)压力变送器时可以从综合来考虑,从压力变送器的精度、线性等等来考虑,这样也能尽量避高压(gāo yā)力变送器的误差。一般压力变送器有四个无法避免的误差,为大家整理提供:
1、线性误差:这是一个对压力变送器初始误差影响较高小的因素,该误差的产生原因在于硅(silicon)片的物理(physics)非线性,但对于带放大器的传感器,还应包括放大器的非线性。

2、PIANYILIANGWUCHA:YOUYUYALICHUANGANQIZAIZHENGGEYALIFANWEINEICHUIZHIPIANYIBAOCHIHENGDING,YINCIBIANHUANQIKUOSANHEJIGUANG(LASER)DIAOJIE(adjust)XIUZHENGDEBIANHUAJIANGCHANSHENGPIANYILIANGWUCHA。CHAYABIANSONGQISHIGONGYESHIJIANZHONGZUIWEICHANGYONGDEYIZHONGCHUANGANQI,QIGUANGFANYINGYONGYUGEZHONGGONGYEZIKONGHUANJING,SHEJISHUILISHUIDIAN、TIELUJIAOTONG、ZHINENGJIANZHU、SHENGCHANZIKONG、HANGKONGHANGTIAN、JUNGONG、SHIHUA、YOUJING、DIANLI、CHUANBO、JICHUANG、GUANDAODENGZHONGDUOXINGYE。

3、ZHIHOUPIANCHA:ZAIDADUOSHUQINGXINGZHONG,YALICHUANGANQIDEZHIHOUWUCHAWANQUANKEYIHULVEBUJI,YINWEIGUIPIANJUYOUHENDEJIXIE(machinery)GANGDU。YIBANZHIXUZAIYALIBIANHUAHENDADEQINGXINGZHONGKAOLV(consider)ZHIHOUWUCHA。

4、HAIYOULINGMINDUWUCHA:CHANSHENGWUCHADAXIAOYUYALI(pressure)CHENGZHENGBI。YALIBIANSONGQIYAOYOUDIANRONGSHIYALIBIANSONGQIHEKUOSANGUIYALIBIANSONGQI,TAOCIYALIBIANSONGQI,YINGBIANSHIYALIBIANSONGQIDENG。YALIBIANSONGQIGENJUCEYAFANWEIKEFENCHENGYIBANYALIBIANSONGQIHEWEICHAYABIANSONGQI,FUYABIANSONGQISANZHONG。RUGUOSHEBEIDELINGMINDUGAOYUDIANXINGZHI,LINGMINDUWUCHAJIANGSHIYALIDEDIZENGHANSHU。RUGUOLINGMINDUDIYUDIANXINGZHI,NEIMELINGMINDUWUCHAJIANGSHIYALIDEDIJIANHANSHU。GAIWUCHADECHANSHENGYUANYIN(Reason)ZAIYUKUOSANGUOCHENGDEBIANHUA。

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