廣州代理賀德克HYDAC變送器賀(he)德(de)克(ke)HYDAC變(bian)(bian)(bian)送器(qi)感(gan)受(shou)壓(ya)(ya)力的(de)電(dian)(dian)器(qi)元件(jian)一(yi)般為電(dian)(dian)阻應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)，電(dian)(dian)阻應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)是(shi)(shi)(shi)一(yi)種將(jiang)被(bei)測件(jian)上(shang)(shang)的(de)壓(ya)(ya)力轉換成為一(yi)種電(dian)(dian)信(xin)(xin)號的(de)敏感(gan)器(qi)件(jian)。電(dian)(dian)阻應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)應(ying)(ying)用多的(de)是(shi)(shi)(shi)金(jin)屬(shu)電(dian)(dian)阻應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)和(he)半導體(ti)應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)兩種。金(jin)屬(shu)電(dian)(dian)阻應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)又有絲(si)狀(zhuang)應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)和(he)金(jin)屬(shu)箔狀(zhuang)應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)兩種。通常是(shi)(shi)(shi)將(jiang)應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)通過特殊的(de)黏合(he)劑(ji)緊密地粘合(he)在產生力學(xue)應(ying)(ying)變(bian)(bian)(bian)基體(ti)上(shang)(shang)，當基體(ti)受(shou)力發(fa)生應(ying)(ying)力變(bian)(bian)(bian)化時(shi)，電(dian)(dian)阻應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)也一(yi)起產生形變(bian)(bian)(bian)，使應(ying)(ying)變(bian)(bian)(bian)片(pian)(pian)(pian)的(de)阻值(zhi)發(fa)生改(gai)變(bian)(bian)(bian)，從(cong)而使加(jia)在電(dian)(dian)阻上(shang)(shang)的(de)電(dian)(dian)壓(ya)(ya)發(fa)生變(bian)(bian)(bian)化。 賀(he)德(de)克(ke)壓(ya)(ya)力變(bian)(bian)(bian)送器(qi)有電(dian)(dian)動式(shi)和(he)氣動式(shi)兩大類。電(dian)(dian)動式(shi)的(de)統一(yi)輸(shu)出信(xin)(xin)號為0～10mA、4～20mA或1～5V等直流(liu)電(dian)(dian)信(xin)(xin)號。氣動式(shi)的(de)統一(yi)輸(shu)出信(xin)(xin)號為20～100Pa的(de)氣體(ti)壓(ya)(ya)力。

壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)送(song)器按不同的(de)轉換(huan)原(yuan)理(li)可分為力(li)(li)(li)(li)(力(li)(li)(li)(li)矩)平衡(heng)式、電(dian)(dian)(dian)容式、電(dian)(dian)(dian)感式、應(ying)變(bian)式和(he)(he)頻(pin)率式等，下面簡單介紹(shao)幾種壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(差壓(ya)(ya)(ya)(ya)(ya))變(bian)送(song)器的(de)原(yuan)理(li)、結(jie)構(gou)、使用(yong)、檢修和(he)(he)校驗等知識。  賀德克壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)送(song)器的(de)主要作用(yong)把壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)信號傳(chuan)到電(dian)(dian)(dian)子(zi)設備，進而在計算機顯示壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)其(qi)原(yuan)理(li)大(da)(da)致是(shi)：將水壓(ya)(ya)(ya)(ya)(ya)這種壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)的(de)力(li)(li)(li)(li)學信號轉變(bian)成電(dian)(dian)(dian)流（4-20mA）這樣的(de)電(dian)(dian)(dian)子(zi)信號壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)和(he)(he)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)或電(dian)(dian)(dian)流大(da)(da)小成線(xian)性關(guan)系(xi)，一(yi)般是(shi)正比關(guan)系(xi)。所以，變(bian)送(song)器輸出的(de)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)或電(dian)(dian)(dian)流隨壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)增大(da)(da)而增大(da)(da)由此(ci)得出一(yi)個壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)和(he)(he)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)或電(dian)(dian)(dian)流的(de)關(guan)系(xi)式壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)變(bian)送(song)器的(de)被測介質的(de)兩種壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)通(tong)入高(gao)、低兩壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)室，低壓(ya)(ya)(ya)(ya)(ya)室壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)采用(yong)大(da)(da)氣壓(ya)(ya)(ya)(ya)(ya)或真空(kong)，作用(yong)在δ元（即敏感元件）的(de)兩側(ce)隔(ge)(ge)離(li)(li)膜片(pian)(pian)上，通(tong)過隔(ge)(ge)離(li)(li)片(pian)(pian)和(he)(he)元件內的(de)填充(chong)液傳(chuan)送(song)到測量(liang)膜片(pian)(pian)兩側(ce)。

賀德克HYDAC壓(ya)力變送器(qi)主要性能(neng)

1、使用(yong)被測介質(zhi)廣(guang)泛，可測油、水及與316不(bu)銹鋼和(he)304不(bu)銹鋼兼(jian)容(rong)的糊(hu)狀物，具有一(yi)定的防腐能力；2、高準確(que)度(du)、高穩定性(xing)、選用(yong)進口原裝傳感(gan)器(qi)，線性(xing)好，溫度(du)穩定性(xing)高；3、體積小、重量輕(qing)、安裝、調試(shi)、使用(yong)方便；

4、不銹鋼全(quan)封閉外殼，防水好；

5、壓力傳感(gan)器直接感(gan)測被(bei)測液位(wei)壓力，不受介質起泡、沉(chen)積的影響。

賀(he)德克(ke)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)變送(song)(song)器的主要作(zuo)用(yong)(yong)把壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)信號傳到(dao)電(dian)子(zi)設(she)備，進而在(zai)計算機顯示(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)其原理大致是：將水壓(ya)(ya)(ya)(ya)(ya)(ya)這(zhe)種(zhong)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)的力(li)學信號轉變成電(dian)流(liu)（4-20mA）這(zhe)樣的電(dian)子(zi)信號壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)和(he)電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)或(huo)電(dian)流(liu)大小成線(xian)性(xing)關(guan)(guan)系(xi)，一(yi)般是正比關(guan)(guan)系(xi)。所以，變送(song)(song)器輸出的電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)或(huo)電(dian)流(liu)隨(sui)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)增(zeng)大而增(zeng)大由此得出一(yi)個壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)和(he)電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)或(huo)電(dian)流(liu)的關(guan)(guan)系(xi)式壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)變送(song)(song)器的被測介(jie)質(zhi)的兩(liang)種(zhong)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)通(tong)入高、低(di)兩(liang)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)室(shi)，低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)室(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)采用(yong)(yong)大氣壓(ya)(ya)(ya)(ya)(ya)(ya)或(huo)真空，作(zuo)用(yong)(yong)在(zai)δ元（即敏(min)感元件(jian)）的兩(liang)側(ce)隔(ge)離(li)膜片上，通(tong)過隔(ge)離(li)片和(he)元件(jian)內的填充(chong)液傳送(song)(song)到(dao)測量膜片兩(liang)側(ce)。

壓(ya)力變送器(qi)(qi)是由測(ce)量膜(mo)片與兩(liang)側(ce)絕緣片上的電(dian)極(ji)各組成一個電(dian)容器(qi)(qi)。當兩(liang)側(ce)壓(ya)力不(bu)一致時，致使(shi)測(ce)量膜(mo)片產生位(wei)移，其位(wei)移量和壓(ya)力差成正比，故(gu)兩(liang)側(ce)電(dian)容量就不(bu)等(deng)，通過振蕩和解調環節。

廣州代理賀德克HYDAC變送器型號系列:

HDA 4000 ，為移動和(he)固定的液壓

HDA 3000 ，非常，應用(yong)于鋼材和(he)(he)軋(ya)鋼廠，實驗室，檢測設施HDA 7000 ，非常小巧(qiao)，緊湊的設計(ji),用(yong)于在(zai)工業(ye)OEM應用(yong)和(he)(he)手機行(xing)業(ye);HDA 8000 ，適用(yong)于工業(ye)的OEM應用(yong)和(he)(he)移動行(xing)業(ye);

賀德克HYDAC變送器(qi)技術參數：

1、確認壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)測量的(de)(de)(de)(de)(de)類型(xing)即要測的(de)(de)(de)(de)(de)是(shi)(shi)表(biao)壓(ya)(ya)(ya)(ya)(ya)(ya)、絕(jue)(jue)壓(ya)(ya)(ya)(ya)(ya)(ya)還是(shi)(shi)差(cha)壓(ya)(ya)(ya)(ya)(ya)(ya)。表(biao)壓(ya)(ya)(ya)(ya)(ya)(ya)是(shi)(shi)指以(yi)(yi)大(da)(da)氣(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)為(wei)(wei)(wei)(wei)(wei)(wei)零點的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)值(zhi)，可(ke)以(yi)(yi)有正(zheng)負(fu)(fu)值(zhi)，高于(yu)大(da)(da)氣(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)為(wei)(wei)(wei)(wei)(wei)(wei)正(zheng)，低于(yu)大(da)(da)氣(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)為(wei)(wei)(wei)(wei)(wei)(wei)負(fu)(fu)。絕(jue)(jue)差(cha)是(shi)(shi)指以(yi)(yi)真空為(wei)(wei)(wei)(wei)(wei)(wei)零點的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)值(zhi)，絕(jue)(jue)壓(ya)(ya)(ya)(ya)(ya)(ya)只有正(zheng)值(zhi)，沒有負(fu)(fu)值(zhi)。差(cha)壓(ya)(ya)(ya)(ya)(ya)(ya)是(shi)(shi)指兩(liang)個(ge)(ge)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)之(zhi)間的(de)(de)(de)(de)(de)差(cha)值(zhi)。絕(jue)(jue)壓(ya)(ya)(ya)(ya)(ya)(ya)測量是(shi)(shi)將一(yi)個(ge)(ge)參(can)(can)考(kao)(kao)的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)封閉在傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)芯片(pian)之(zhi)中，通(tong)常這個(ge)(ge)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)的(de)(de)(de)(de)(de)大(da)(da)小只有真空（小于(yu)5mtor）和(he)標準大(da)(da)氣(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)（14.7psi）兩(liang)種，參(can)(can)考(kao)(kao)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)為(wei)(wei)(wei)(wei)(wei)(wei)真空的(de)(de)(de)(de)(de)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)我們稱為(wei)(wei)(wei)(wei)(wei)(wei)絕(jue)(jue)壓(ya)(ya)(ya)(ya)(ya)(ya)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)，為(wei)(wei)(wei)(wei)(wei)(wei)一(yi)個(ge)(ge)標準大(da)(da)氣(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)我們稱為(wei)(wei)(wei)(wei)(wei)(wei)密封表(biao)壓(ya)(ya)(ya)(ya)(ya)(ya)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)。因(yin)為(wei)(wei)(wei)(wei)(wei)(wei)所有的(de)(de)(de)(de)(de)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)都是(shi)(shi)測量加在傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)兩(liang)面膜(mo)片(pian)上的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)差(cha)，但(dan)是(shi)(shi)差(cha)壓(ya)(ya)(ya)(ya)(ya)(ya)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)參(can)(can)考(kao)(kao)端的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)是(shi)(shi)可(ke)以(yi)(yi)變(bian)化的(de)(de)(de)(de)(de)。因(yin)此表(biao)壓(ya)(ya)(ya)(ya)(ya)(ya)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)（參(can)(can)考(kao)(kao)端通(tong)過一(yi)個(ge)(ge)小孔可(ke)以(yi)(yi)接通(tong)大(da)(da)氣(qi)）僅是(shi)(shi)一(yi)種普通(tong)形(xing)式的(de)(de)(de)(de)(de)差(cha)壓(ya)(ya)(ya)(ya)(ya)(ya)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)。

2、確認(ren)被測(ce)的介(jie)質，是(shi)(shi)氣體(ti)還(huan)是(shi)(shi)液(ye)體(ti)，被測(ce)介(jie)質有沒有腐蝕性，如果(guo)測(ce)的是(shi)(shi)液(ye)體(ti)，你需(xu)不需(xu)要把傳(chuan)感器投入液(ye)體(ti)中。

3、確認測量的(de)壓(ya)力范圍。

4、確認(ren)準(zhun)確度(du)(du)等(deng)級(ji)（精度(du)(du)）。壓力傳(chuan)感器的測量誤(wu)差按精度(du)(du)等(deng)級(ji)進行劃分，不同(tong)的精度(du)(du)等(deng)級(ji)對(dui)對(dui)應不同(tong)的基本誤(wu)差限，以F.S%表(biao)示。市面(mian)上一(yi)般精度(du)(du)等(deng)級(ji)有0.1、0.25、0.3、0.5、1.0等(deng)幾種，選型時可按照所(suo)需的準(zhun)確度(du)(du)進行選擇。

5、確認工作(zuo)溫(wen)度(du)范(fan)圍。被測(ce)(ce)介質(zhi)的(de)(de)溫(wen)度(du)應(ying)處于(yu)壓(ya)力(li)傳感(gan)器(qi)的(de)(de)工作(zuo)范(fan)圍以(yi)內，否則測(ce)(ce)量(liang)結(jie)果誤差將會較(jiao)大且(qie)會影響傳感(gan)器(qi)的(de)(de)壽命。如被測(ce)(ce)介質(zhi)溫(wen)度(du)較(jiao)高，可使(shi)用高溫(wen)壓(ya)力(li)傳感(gan)器(qi)，或(huo)者安裝冷疑管降溫(wen)等。

6、確認壓力的接(jie)(jie)口。壓力接(jie)(jie)口即你(ni)所需要(yao)的螺(luo)紋(wen)接(jie)(jie)口，M20*1.5為通用接(jie)(jie)口，其(qi)它螺(luo)紋(wen)可(ke)定制。

7、確(que)認輸出信號。輸出信號一般為0～24mADC，0～5VDC，1～5VDC，0～10VDC8、確(que)認供(gong)電電壓。

9、確認工作環境。是否存在振動或者電磁干擾等

10、確認電氣(qi)連接方式(shi)等。即壓力(li)傳感器信(xin)號(hao)輸出(chu)到(dao)什么上(shang)面，是PLC或者其它。

以下品牌均有優勢:

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