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为什么建议(yi)称(cheng)重传感器要跟变送器配套(tao)使用?
答:因(yin)为(wei)(wei)电(dian)阻(zu)应(ying)变(bian)(bian)式称(cheng)(cheng)重传(chuan)感(gan)器(qi)由(you)弹性元件(jian)承(cheng)受力(li)并发生变(bian)(bian)形(xing),使其贴(tie)在内部也(ye)发生变(bian)(bian)形(xing),从而(er)阻(zu)变(bian)(bian)化(hua)。同样的输入电(dian)压下,输出信(xin)(xin)(xin)号(hao)为(wei)(wei)mv信(xin)(xin)(xin)号(hao)(微小信(xin)(xin)(xin)号(hao)),mv信(xin)(xin)(xin)号(hao)非常微小,容(rong)易受输引(yin)线(电(dian)阻(zu)),强(qiang)电(dian)压电(dian)流(电(dian)磁)的干扰(rao),不(bu)能(neng)远传(chuan),也(ye)不(bu)是标(biao)准(zhun)信(xin)(xin)(xin)号(hao),不(bu)能(neng)大部分的二次仪表,PLC,DCS所采(cai)集,而(er)变(bian)(bian)送(song)器(qi)能(neng)把传(chuan)感(gan)器(qi)信(xin)(xin)(xin)号(hao)变(bian)(bian)送(song)成标(biao)准(zhun)的4-20mA信(xin)(xin)(xin)号(hao),抗干扰(rao)能(neng)力(li)强(qiang),适合0-100米以(yi)内的信(xin)(xin)(xin)号(hao)传(chuan)输,并且更容(rong)易被接受和采(cai)集。所以(yi)我们(men)推荐您在购买称(cheng)(cheng)重传(chuan)感(gan)器(qi)时配(pei)上称(cheng)(cheng)重变(bian)(bian)送(song)器(qi)。