怎么正確選購陶瓷芯壓力變送器

正(zheng)確(que)(que)(que)選(xuan)(xuan)購陶瓷芯壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)時(shi)應該(gai)注意(yi)點(dian)一(yi)(yi)(yi)(yi)般(ban)有以(yi)(yi)(yi)(yi)下幾點(dian)： 一(yi)(yi)(yi)(yi)、壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)要(yao)(yao)(yao)(yao)(yao)(yao)丈(zhang)量(liang)(liang)(liang)什么(me)樣(yang)(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li) 一(yi)(yi)(yi)(yi)般(ban)而(er)言需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)擇(ze)(ze)一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)(ge)具(ju)有比(bi)最(zui)(zui)大(da)(da)(da)(da)值(zhi)還要(yao)(yao)(yao)(yao)(yao)(yao)大(da)(da)(da)(da)1.5倍左(zuo)右(you)的(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)量(liang)(liang)(liang)程的(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。這(zhe)(zhe)(zhe)(zhe)主(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)是(shi)(shi)許多(duo)(duo)系(xi)統(tong)(tong)(tong)中(zhong)， 先確(que)(que)(que)定(ding)(ding)系(xi)統(tong)(tong)(tong)中(zhong)測(ce)量(liang)(liang)(liang)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)最(zui)(zui)大(da)(da)(da)(da)值(zhi)。尤其(qi)(qi)(qi)(qi)是(shi)(shi)水壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)丈(zhang)量(liang)(liang)(liang)和(he)加工(gong)(gong)(gong)處置中(zhong)，有峰值(zhi)和(he)繼(ji)續不(bu)(bu)(bu)(bu)規(gui)則(ze)的(de)(de)(de)(de)(de)(de)(de)(de)上下動搖，這(zhe)(zhe)(zhe)(zhe)種(zhong)(zhong)瞬間(jian)的(de)(de)(de)(de)(de)(de)(de)(de)峰值(zhi)能破(po)壞(huai)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)傳(chuan)感器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。繼(ji)續的(de)(de)(de)(de)(de)(de)(de)(de)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)值(zhi)或(huo)(huo)(huo)(huo)(huo)稍(shao)微超(chao)(chao)出(chu)(chu)(chu)(chu)(chu)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)標(biao)定(ding)(ding)最(zui)(zui)大(da)(da)(da)(da)值(zhi)會(hui)(hui)(hui)縮短(duan)傳(chuan)感器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)壽(shou)命，這(zhe)(zhe)(zhe)(zhe)樣(yang)(yang)(yang)(yang)(yang)做還會(hui)(hui)(hui)使(shi)(shi)精度(du)(du)(du)下降。于(yu)是(shi)(shi)可以(yi)(yi)(yi)(yi)用(yong)一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)(ge)緩沖器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)來(lai)(lai)降低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)毛刺，但這(zhe)(zhe)(zhe)(zhe)樣(yang)(yang)(yang)(yang)(yang)會(hui)(hui)(hui)降低(di)傳(chuan)感器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)響(xiang)應速(su)度(du)(du)(du)。所以(yi)(yi)(yi)(yi)在(zai)(zai)(zai)選(xuan)(xuan)擇(ze)(ze)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)時(shi)要(yao)(yao)(yao)(yao)(yao)(yao)充分(fen)考(kao)慮(lv)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)范(fan)(fan)圍(wei)(wei)(wei)、精度(du)(du)(du)與(yu)(yu)(yu)其(qi)(qi)(qi)(qi)穩(wen)定(ding)(ding)性(xing)(xing)(xing)。 二(er)、什么(me)樣(yang)(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)介(jie)質(zhi) 溶劑(ji)或(huo)(huo)(huo)(huo)(huo)有腐蝕性(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)物質(zhi)會(hui)(hui)(hui)不(bu)(bu)(bu)(bu)會(hui)(hui)(hui)破(po)壞(huai)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)中(zhong)與(yu)(yu)(yu)這(zhe)(zhe)(zhe)(zhe)些介(jie)質(zhi)直(zhi)接(jie)(jie)接(jie)(jie)觸的(de)(de)(de)(de)(de)(de)(de)(de)資料。以(yi)(yi)(yi)(yi)上這(zhe)(zhe)(zhe)(zhe)些因(yin)素(su)將(jiang)(jiang)(jiang)決定(ding)(ding)是(shi)(shi)否(fou)(fou)選(xuan)(xuan)擇(ze)(ze)直(zhi)接(jie)(jie)的(de)(de)(de)(de)(de)(de)(de)(de)隔離(li)膜及直(zhi)接(jie)(jie)與(yu)(yu)(yu)介(jie)質(zhi)接(jie)(jie)觸的(de)(de)(de)(de)(de)(de)(de)(de)資料。 黏性(xing)(xing)(xing)液體、泥漿會(hui)(hui)(hui)堵上壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)接(jie)(jie)口。 三(san)、壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)多(duo)(duo)大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)精度(du)(du)(du) 非(fei)(fei)線性(xing)(xing)(xing)， 決定(ding)(ding)精度(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)有。遲(chi)滯(zhi)性(xing)(xing)(xing)，非(fei)(fei)重復性(xing)(xing)(xing)，溫(wen)(wen)(wen)度(du)(du)(du)、零點(dian)偏置刻度(du)(du)(du)，溫(wen)(wen)(wen)度(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)影(ying)(ying)響(xiang)。但主(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)由非(fei)(fei)線性(xing)(xing)(xing)，遲(chi)滯(zhi)性(xing)(xing)(xing)，非(fei)(fei)重復性(xing)(xing)(xing)，精度(du)(du)(du)越(yue)高(gao)，價格也就越(yue)高(gao)。 四(si)、壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)范(fan)(fan)圍(wei)(wei)(wei) 其(qi)(qi)(qi)(qi)中(zhong)一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)(ge)溫(wen)(wen)(wen)度(du)(du)(du)段是(shi)(shi)正(zheng)常工(gong)(gong)(gong)作(zuo)(zuo)溫(wen)(wen)(wen)度(du)(du)(du)， 通常一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)(ge)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)會(hui)(hui)(hui)標(biao)定(ding)(ding)兩個(ge)(ge)(ge)(ge)溫(wen)(wen)(wen)確(que)(que)(que)段。另外一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)(ge)是(shi)(shi)溫(wen)(wen)(wen)度(du)(du)(du)彌(mi)補(bu)范(fan)(fan)圍(wei)(wei)(wei)，正(zheng)常工(gong)(gong)(gong)作(zuo)(zuo)溫(wen)(wen)(wen)度(du)(du)(du)范(fan)(fan)圍(wei)(wei)(wei)是(shi)(shi)指(zhi)(zhi)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)在(zai)(zai)(zai)工(gong)(gong)(gong)作(zuo)(zuo)狀態下不(bu)(bu)(bu)(bu)被破(po)壞(huai)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)候(hou)的(de)(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)范(fan)(fan)圍(wei)(wei)(wei)，超(chao)(chao)出(chu)(chu)(chu)(chu)(chu)溫(wen)(wen)(wen)度(du)(du)(du)彌(mi)補(bu)范(fan)(fan)圍(wei)(wei)(wei)時(shi)可能會(hui)(hui)(hui)達不(bu)(bu)(bu)(bu)到(dao)(dao)其(qi)(qi)(qi)(qi)應用(yong)的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)能指(zhi)(zhi)標(biao)。 五、壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)超(chao)(chao)時(shi)工(gong)(gong)(gong)作(zuo)(zuo)后(hou)需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)堅持穩(wen)定(ding)(ding)度(du)(du)(du) 這(zhe)(zhe)(zhe)(zhe)種(zhong)(zhong)預先的(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)(zuo)能減少將(jiang)(jiang)(jiang)來(lai)(lai)使(shi)(shi)用(yong)中(zhong)會(hui)(hui)(hui)出(chu)(chu)(chu)(chu)(chu)現(xian)的(de)(de)(de)(de)(de)(de)(de)(de)種(zhong)(zhong)種(zhong)(zhong)麻煩。 大(da)(da)(da)(da)部分(fen)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)在(zai)(zai)(zai)經(jing)過超(chao)(chao)額工(gong)(gong)(gong)作(zuo)(zuo)后(hou)會(hui)(hui)(hui)產(chan)(chan)生“漂移(yi)(yi)”因(yin)此(ci)很有必要(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)購買(mai)前了(le)解變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)穩(wen)定(ding)(ding)性(xing)(xing)(xing)。 六、壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)封裝 往往容易忽略(lve)是(shi)(shi)機(ji)架(jia)， 變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)封裝。然而(er)這(zhe)(zhe)(zhe)(zhe)一(yi)(yi)(yi)(yi)點(dian)在(zai)(zai)(zai)以(yi)(yi)(yi)(yi)后(hou)使(shi)(shi)用(yong)中(zhong)會(hui)(hui)(hui)逐(zhu)漸(jian)流露出(chu)(chu)(chu)(chu)(chu)其(qi)(qi)(qi)(qi)缺點(dian)。選(xuan)(xuan)購變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)時(shi)一(yi)(yi)(yi)(yi)定(ding)(ding)要(yao)(yao)(yao)(yao)(yao)(yao)考(kao)慮(lv)到(dao)(dao)將(jiang)(jiang)(jiang)來(lai)(lai)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)(zuo)環(huan)境，濕度(du)(du)(du)如何，怎(zen)樣(yang)(yang)(yang)(yang)(yang)裝置變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，會(hui)(hui)(hui)不(bu)(bu)(bu)(bu)會(hui)(hui)(hui)有強烈的(de)(de)(de)(de)(de)(de)(de)(de)撞(zhuang)擊或(huo)(huo)(huo)(huo)(huo)振動等(deng)。 七(qi)、壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)與(yu)(yu)(yu)其(qi)(qi)(qi)(qi)它電(dian)(dian)子設(she)備(bei)間(jian)采用(yong)怎(zen)樣(yang)(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)連(lian)(lian)接(jie)(jie) 否(fou)(fou)需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)采用(yong)一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)(ge)連(lian)(lian)接(jie)(jie)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)? 否(fou)(fou)需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)采用(yong)短(duan)距離(li)連(lian)(lian)接(jie)(jie)?若(ruo)是(shi)(shi)采用(yong)長距離(li)連(lian)(lian)接(jie)(jie)。 一(yi)(yi)(yi)(yi)是(shi)(shi)零點(dian)漂移(yi)(yi)， 溫(wen)(wen)(wen)度(du)(du)(du)彌(mi)補(bu)范(fan)(fan)圍(wei)(wei)(wei)是(shi)(shi)一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)(ge)比(bi)工(gong)(gong)(gong)作(zuo)(zuo)溫(wen)(wen)(wen)度(du)(du)(du)范(fan)(fan)圍(wei)(wei)(wei)小的(de)(de)(de)(de)(de)(de)(de)(de)典型范(fan)(fan)圍(wei)(wei)(wei)。這(zhe)(zhe)(zhe)(zhe)個(ge)(ge)(ge)(ge)范(fan)(fan)圍(wei)(wei)(wei)內(nei)工(gong)(gong)(gong)作(zuo)(zuo)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)肯定(ding)(ding)會(hui)(hui)(hui)達到(dao)(dao)其(qi)(qi)(qi)(qi)應有的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)能指(zhi)(zhi)標(biao)。溫(wen)(wen)(wen)度(du)(du)(du)變(bian)(bian)(bian)(bian)(bian)(bian)從(cong)兩方面影(ying)(ying)響(xiang)著其(qi)(qi)(qi)(qi)輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)。二(er)是(shi)(shi)影(ying)(ying)響(xiang)滿(man)量(liang)(liang)(liang)程輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)。如：滿(man)量(liang)(liang)(liang)程的(de)(de)(de)(de)(de)(de)(de)(de)+/-X%/℃，讀(du)數的(de)(de)(de)(de)(de)(de)(de)(de)+/-X%/℃，超(chao)(chao)出(chu)(chu)(chu)(chu)(chu)溫(wen)(wen)(wen)度(du)(du)(du)范(fan)(fan)圍(wei)(wei)(wei)時(shi)滿(man)量(liang)(liang)(liang)程的(de)(de)(de)(de)(de)(de)(de)(de)+/-X%溫(wen)(wen)(wen)度(du)(du)(du)彌(mi)補(bu)范(fan)(fan)圍(wei)(wei)(wei)內(nei)時(shi)讀(du)數的(de)(de)(de)(de)(de)(de)(de)(de)+/-X%如果沒有這(zhe)(zhe)(zhe)(zhe)些參(can)數，會(hui)(hui)(hui)導(dao)至(zhi)在(zai)(zai)(zai)使(shi)(shi)用(yong)中(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)不(bu)(bu)(bu)(bu)確(que)(que)(que)定(ding)(ding)性(xing)(xing)(xing)。變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)化到(dao)(dao)度(du)(du)(du)是(shi)(shi)由壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)化引(yin)起(qi)的(de)(de)(de)(de)(de)(de)(de)(de)還是(shi)(shi)由溫(wen)(wen)(wen)度(du)(du)(du)變(bian)(bian)(bian)(bian)(bian)(bian)化引(yin)起(qi)的(de)(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)影(ying)(ying)響(xiang)是(shi)(shi)解如何使(shi)(shi)用(yong)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)時(shi)最(zui)(zui)復雜的(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)(yi)部分(fen)。 八(ba)、需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)得到(dao)(dao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)怎(zen)樣(yang)(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)信號(hao)(hao) 選(xuan)(xuan)擇(ze)(ze)怎(zen)樣(yang)(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)取決于(yu)多(duo)(duo)種(zhong)(zhong)因(yin)素(su)， mVVmA 及頻率輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)數字輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)。包(bao)括變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)與(yu)(yu)(yu)系(xi)統(tong)(tong)(tong)控制器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)或(huo)(huo)(huo)(huo)(huo)顯示(shi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)間(jian)的(de)(de)(de)(de)(de)(de)(de)(de)距離(li)，否(fou)(fou)存(cun)在(zai)(zai)(zai)噪聲”或(huo)(huo)(huo)(huo)(huo)其(qi)(qi)(qi)(qi)他電(dian)(dian)子干擾(rao)(rao)信號(hao)(hao)，否(fou)(fou)需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)放(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，放(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)位(wei)置等(deng)。對(dui)(dui)于(yu)許多(duo)(duo)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)和(he)控制器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)間(jian)距離(li)較短(duan)的(de)(de)(de)(de)(de)(de)(de)(de)OEM設(she)備(bei)采用(yong)mA 輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)最(zui)(zui)為經(jing)濟而(er)有效(xiao)的(de)(de)(de)(de)(de)(de)(de)(de)解決方法。 最(zui)(zui)好(hao)采用(yong)具(ju)有內(nei)置放(fang)(fang)大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。對(dui)(dui)于(yu)遠距離(li)傳(chuan)輸(shu)(shu)(shu)(shu)(shu)或(huo)(huo)(huo)(huo)(huo)存(cun)在(zai)(zai)(zai)較強的(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)子干擾(rao)(rao)信號(hao)(hao)最(zui)(zui)好(hao)采用(yong)mA 級輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)或(huo)(huo)(huo)(huo)(huo)頻率輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)。 如果需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)將(jiang)(jiang)(jiang)輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)信號(hao)(hao)放(fang)(fang)大(da)(da)(da)(da)。 如果在(zai)(zai)(zai)RFI或(huo)(huo)(huo)(huo)(huo)EMI指(zhi)(zhi)標(biao)很高(gao)的(de)(de)(de)(de)(de)(de)(de)(de)環(huan)境中(zhong)除了(le)要(yao)(yao)(yao)(yao)(yao)(yao)注意(yi)到(dao)(dao)要(yao)(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)擇(ze)(ze)mA 或(huo)(huo)(huo)(huo)(huo)頻率輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)外還要(yao)(yao)(yao)(yao)(yao)(yao)考(kao)慮(lv)到(dao)(dao)特殊的(de)(de)(de)(de)(de)(de)(de)(de)維護或(huo)(huo)(huo)(huo)(huo)過濾器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。 九、選(xuan)(xuan)擇(ze)(ze)怎(zen)樣(yang)(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)勵的(de)(de)(de)(de)(de)(de)(de)(de)磁(ci)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya) 因(yin)此(ci)其(qi)(qi)(qi)(qi)電(dian)(dian)源(yuan)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)范(fan)(fan)圍(wei)(wei)(wei)較大(da)(da)(da)(da)。有些變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)定(ding)(ding)量(liang)(liang)(liang)配置， 輸(shu)(shu)(shu)(shu)(shu)出(chu)(chu)(chu)(chu)(chu)信號(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)類型決定(ding)(ding)選(xuan)(xuan)擇(ze)(ze)怎(zen)么(me)樣(yang)(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)勵磁(ci)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)。許多(duo)(duo)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)有內(nei)置的(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)調節(jie)裝置。需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)(ge)穩(wen)定(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)，因(yin)此(ci)，工(gong)(gong)(gong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)決定(ding)(ding)是(shi)(shi)否(fou)(fou)采用(yong)帶有調節(jie)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)傳(chuan)感器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，選(xuan)(xuan)擇(ze)(ze)傳(chuan)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)時(shi)要(yao)(yao)(yao)(yao)(yao)(yao)綜合考(kao)慮(lv)工(gong)(gong)(gong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)與(yu)(yu)(yu)系(xi)統(tong)(tong)(tong)造價。 十(shi)、否(fou)(fou)需(xu)要(yao)(yao)(yao)(yao)(yao)(yao)具(ju)備(bei)互換性(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi) 尤其(qi)(qi)(qi)(qi)是(shi)(shi)對(dui)(dui)于(yu)OEM產(chan)(chan)品(pin)(pin)。一(yi)(yi)(yi)(yi)旦將(jiang)(jiang)(jiang)產(chan)(chan)品(pin)(pin)送(song)(song)(song)(song)(song)到(dao)(dao)客戶手中(zhong)那(nei)(nei)么(me)客戶用(yong)來(lai)(lai)校(xiao)準的(de)(de)(de)(de)(de)(de)(de)(de)花(hua)銷(xiao)是(shi)(shi)相(xiang)當(dang)大(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)如果產(chan)(chan)品(pin)(pin)具(ju)有良好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)互換性(xing)(xing)(xing)， 確(que)(que)(que)定(ding)(ding)所需(xu)的(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)否(fou)(fou)能夠適應多(duo)(duo)個(ge)(ge)(ge)(ge)使(shi)(shi)用(yong)系(xi)統(tong)(tong)(tong)。一(yi)(yi)(yi)(yi)般(ban)來(lai)(lai)講這(zhe)(zhe)(zhe)(zhe)一(yi)(yi)(yi)(yi)點(dian)很重要(yao)(yao)(yao)(yao)(yao)(yao)。那(nei)(nei)么(me)即使(shi)(shi)改(gai)變(bian)(bian)(bian)(bian)(bian)(bian)所用(yong)的(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)也不(bu)(bu)(bu)(bu)會(hui)(hui)(hui)影(ying)(ying)響(xiang)整個(ge)(ge)(ge)(ge)系(xi)統(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)效(xiao)果。

壓力變送器工作中的注意事項

首先我們(men)(men)來(lai)了(le)解(jie)下常規壓(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi) 的(de)(de)(de)(de)(de)(de)(de)結(jie)構以(yi)及作用(yong)。壓(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)主(zhu)要是由壓(ya)(ya)(ya)(ya)力(li)(li)(li)傳感器(qi)、測(ce)量(liang)(liang)轉(zhuan)換電路和(he)過程(cheng)連接部件(jian)三個部分組成的(de)(de)(de)(de)(de)(de)(de)。它的(de)(de)(de)(de)(de)(de)(de)作用(yong)是能(neng)(neng)(neng)將壓(ya)(ya)(ya)(ya)力(li)(li)(li)傳感器(qi)感受的(de)(de)(de)(de)(de)(de)(de)氣(qi)體(ti)(ti)(ti)(ti)(ti)、液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)等(deng)物理(li)壓(ya)(ya)(ya)(ya)力(li)(li)(li)參數(shu)轉(zhuan)變(bian)(bian)成標準的(de)(de)(de)(de)(de)(de)(de)電信號(hao)，以(yi)供給顯示報警儀、DCS系(xi)統、記錄(lu)儀、PLC系(xi)統等(deng)進行顯示、測(ce)量(liang)(liang)、控(kong)制(zhi)調節等(deng)目的(de)(de)(de)(de)(de)(de)(de)。在這些工作中，可能(neng)(neng)(neng)會發生(sheng)(sheng)很多(duo)不(bu)同的(de)(de)(de)(de)(de)(de)(de)問(wen)題，這個時(shi)(shi)候就需要注(zhu)(zhu)意壓(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)在工作中的(de)(de)(de)(de)(de)(de)(de)保養(yang)和(he)防護。 下面(mian)(mian)我們(men)(men)來(lai)分析(xi)具(ju)體(ti)(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)在使用(yong)中的(de)(de)(de)(de)(de)(de)(de)注(zhu)(zhu)意事項。 1、首先檢查壓(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)周(zhou)圍有(you)無(wu)信號(hao)干(gan)擾，如果有(you)，盡(jin)量(liang)(liang)排除，或(huo)盡(jin)可能(neng)(neng)(neng)讓傳感器(qi)屏蔽線與金(jin)屬外(wai)殼相連，增強抗干(gan)擾能(neng)(neng)(neng)力(li)(li)(li)。 2、要定期清(qing)洗(xi)安(an)裝(zhuang)(zhuang)(zhuang)孔，保證安(an)裝(zhuang)(zhuang)(zhuang)孔的(de)(de)(de)(de)(de)(de)(de)清(qing)潔．防止變(bian)(bian)送(song)(song)(song)器(qi)與腐蝕性(xing)或(huo)過熱(re)的(de)(de)(de)(de)(de)(de)(de)介質接觸； 3、接線時(shi)(shi)，將電纜穿過防水接頭(附件(jian))或(huo)繞(rao)性(xing)管(guan)(guan)(guan)(guan)(guan)(guan)并(bing)擰緊密封(feng)螺帽，以(yi)防雨(yu)水等(deng)通過電纜滲漏進變(bian)(bian)送(song)(song)(song)器(qi)殼體(ti)(ti)(ti)(ti)(ti)內。 4、測(ce)量(liang)(liang)氣(qi)體(ti)(ti)(ti)(ti)(ti)壓(ya)(ya)(ya)(ya)力(li)(li)(li)時(shi)(shi)，取壓(ya)(ya)(ya)(ya)口(kou)應(ying)(ying)(ying)開(kai)在流程(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)道頂端，并(bing)且變(bian)(bian)送(song)(song)(song)器(qi)也(ye)應(ying)(ying)(ying)安(an)裝(zhuang)(zhuang)(zhuang)在流程(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)道上(shang)部，以(yi)便積(ji)累的(de)(de)(de)(de)(de)(de)(de)液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)容易注(zhu)(zhu)入流程(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)道中。 5、測(ce)量(liang)(liang)液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)壓(ya)(ya)(ya)(ya)力(li)(li)(li)時(shi)(shi)，取壓(ya)(ya)(ya)(ya)口(kou)應(ying)(ying)(ying)開(kai)在流程(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)道側(ce)面(mian)(mian)，以(yi)避免沉(chen)淀積(ji)渣。 6、壓(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)上(shang)不(bu)能(neng)(neng)(neng)使用(yong)高于36V的(de)(de)(de)(de)(de)(de)(de)電壓(ya)(ya)(ya)(ya)，容易導致損壞。 7、冬季發生(sheng)(sheng)冰(bing)凍(dong)時(shi)(shi)，安(an)裝(zhuang)(zhuang)(zhuang)在室外(wai)的(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)送(song)(song)(song)器(qi)必需采取防凍(dong)措施，避免引壓(ya)(ya)(ya)(ya)口(kou)內的(de)(de)(de)(de)(de)(de)(de)液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)因結(jie)冰(bing)體(ti)(ti)(ti)(ti)(ti)積(ji)膨脹，導至傳感器(qi)損壞。 8、測(ce)量(liang)(liang)蒸汽(qi)(qi)或(huo)其它高溫(wen)介質時(shi)(shi)，需接加(jia)緩(huan)(huan)沖(chong)(chong)管(guan)(guan)(guan)(guan)(guan)(guan)(盤管(guan)(guan)(guan)(guan)(guan)(guan))等(deng)冷(leng)凝器(qi)，不(bu)應(ying)(ying)(ying)使變(bian)(bian)送(song)(song)(song)器(qi)的(de)(de)(de)(de)(de)(de)(de)工作溫(wen)度超過極限。而(er)且緩(huan)(huan)沖(chong)(chong)管(guan)(guan)(guan)(guan)(guan)(guan)需要注(zhu)(zhu)入適量(liang)(liang)水，防止過熱(re)蒸汽(qi)(qi)與變(bian)(bian)送(song)(song)(song)器(qi)接觸。而(er)且緩(huan)(huan)沖(chong)(chong)散(san)熱(re)管(guan)(guan)(guan)(guan)(guan)(guan)不(bu)能(neng)(neng)(neng)漏氣(qi)。 測(ce)量(liang)(liang)蒸汽(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)道的(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)安(an)裝(zhuang)(zhuang)(zhuang)示例 9.測(ce)量(liang)(liang)液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)壓(ya)(ya)(ya)(ya)力(li)(li)(li)時(shi)(shi)，變(bian)(bian)送(song)(song)(song)器(qi)的(de)(de)(de)(de)(de)(de)(de)安(an)裝(zhuang)(zhuang)(zhuang)位置應(ying)(ying)(ying)避免液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)沖(chong)(chong)擊(水錘現象)，以(yi)免傳感器(qi)過壓(ya)(ya)(ya)(ya)損壞。 10、導壓(ya)(ya)(ya)(ya)管(guan)(guan)(guan)(guan)(guan)(guan)應(ying)(ying)(ying)安(an)裝(zhuang)(zhuang)(zhuang)在溫(wen)度波(bo)動小的(de)(de)(de)(de)(de)(de)(de)地方； 11、防止渣滓在導管(guan)(guan)(guan)(guan)(guan)(guan)內沉(chen)積(ji)； 12、壓(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)測(ce)量(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)介質不(bu)能(neng)(neng)(neng)冷(leng)凍(dong)結(jie)冰(bing)，一(yi)旦結(jie)冰(bing)，會容易損壞膜(mo)(mo)片，因為膜(mo)(mo)片一(yi)般(ban)都(dou)很薄。

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水壓傳感器的動態特性

水(shui)壓傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)動態(tai)特性(xing)(xing)(xing)(xing) 傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)靜(jing)態(tai)特性(xing)(xing)(xing)(xing)是(shi)指(zhi)(zhi)對靜(jing)態(tai)的(de)(de)(de)輸(shu)(shu)(shu)(shu)入(ru)信號，傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)輸(shu)(shu)(shu)(shu)出(chu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)與(yu)輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)之間(jian)所(suo)具有相(xiang)(xiang)互關(guan)系(xi)。因為(wei)這時(shi)輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)和(he)輸(shu)(shu)(shu)(shu)出(chu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)都和(he)時(shi)間(jian)無(wu)關(guan)，所(suo)以它們之間(jian)的(de)(de)(de)關(guan)系(xi)，即傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)靜(jing)態(tai)特性(xing)(xing)(xing)(xing)可用(yong)一(yi)個(ge)不(bu)(bu)含時(shi)間(jian)變(bian)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)代數(shu)方程(cheng)，或以輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)作橫(heng)坐(zuo)標，把(ba)與(yu)其對應(ying)的(de)(de)(de)輸(shu)(shu)(shu)(shu)出(chu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)作縱(zong)坐(zuo)標而畫(hua)出(chu)的(de)(de)(de)特性(xing)(xing)(xing)(xing)曲(qu)線(xian)來描(miao)述。表征傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)靜(jing)態(tai)特性(xing)(xing)(xing)(xing)的(de)(de)(de)主要(yao)參數(shu)有：線(xian)性(xing)(xing)(xing)(xing)度、靈(ling)敏(min)度、遲(chi)(chi)滯、重(zhong)(zhong)復性(xing)(xing)(xing)(xing)、漂(piao)移(yi)(yi)等(deng)。 （1）線(xian)性(xing)(xing)(xing)(xing)度：指(zhi)(zhi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)輸(shu)(shu)(shu)(shu)出(chu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)與(yu)輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)之間(jian)的(de)(de)(de)實際關(guan)系(xi)曲(qu)線(xian)偏離擬合直線(xian)的(de)(de)(de)程(cheng)度。定義為(wei)在(zai)全量(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)范圍內實際特性(xing)(xing)(xing)(xing)曲(qu)線(xian)與(yu)擬合直線(xian)之間(jian)的(de)(de)(de)最大偏差值與(yu)滿量(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)輸(shu)(shu)(shu)(shu)出(chu)值之比。 （2）靈(ling)敏(min)度：靈(ling)敏(min)度是(shi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)靜(jing)態(tai)特性(xing)(xing)(xing)(xing)的(de)(de)(de)一(yi)個(ge)重(zhong)(zhong)要(yao)指(zhi)(zhi)標。其定義為(wei)輸(shu)(shu)(shu)(shu)出(chu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)增(zeng)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)與(yu)引起(qi)該增(zeng)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)相(xiang)(xiang)應(ying)輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)增(zeng)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)之比。用(yong)S表示靈(ling)敏(min)度。 （3）遲(chi)(chi)滯：傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)在(zai)輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)由(you)小到大（正行(xing)程(cheng)）及(ji)輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)由(you)大到小（反行(xing)程(cheng)）變(bian)化期間(jian)其輸(shu)(shu)(shu)(shu)入(ru)輸(shu)(shu)(shu)(shu)出(chu)特性(xing)(xing)(xing)(xing)曲(qu)線(xian)不(bu)(bu)重(zhong)(zhong)合的(de)(de)(de)現象(xiang)成為(wei)遲(chi)(chi)滯。對于同(tong)一(yi)大小的(de)(de)(de)輸(shu)(shu)(shu)(shu)入(ru)信號，傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)正反行(xing)程(cheng)輸(shu)(shu)(shu)(shu)出(chu)信號大小不(bu)(bu)相(xiang)(xiang)等(deng)，這個(ge)差值稱為(wei)遲(chi)(chi)滯差值。 （4）重(zhong)(zhong)復性(xing)(xing)(xing)(xing)：重(zhong)(zhong)復性(xing)(xing)(xing)(xing)是(shi)指(zhi)(zhi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)在(zai)輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)按同(tong)一(yi)方向作全量(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)連(lian)續多次變(bian)化時(shi)，所(suo)得特性(xing)(xing)(xing)(xing)曲(qu)線(xian)不(bu)(bu)一(yi)致的(de)(de)(de)程(cheng)度。 （5）漂(piao)移(yi)(yi)：傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)漂(piao)移(yi)(yi)是(shi)指(zhi)(zhi)在(zai)輸(shu)(shu)(shu)(shu)入(ru)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)不(bu)(bu)變(bian)的(de)(de)(de)情況下，傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)輸(shu)(shu)(shu)(shu)出(chu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)隨著時(shi)間(jian)變(bian)化，次現象(xiang)稱為(wei)漂(piao)移(yi)(yi)。產(chan)生漂(piao)移(yi)(yi)的(de)(de)(de)原因有兩個(ge)方面：一(yi)是(shi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)自身(shen)結構參數(shu)；二是(shi)周圍環(huan)境（如溫度、濕度等(deng)）。

壓力傳感器——廣泛應用的感知之“心”