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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>河南電流變送器電源,電流變送器</p><p><span>***更新：</span>2020-11-28 05:17:14</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vrhndbz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市茂迪機(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強(qiáng)</p><p><span>郵箱: </span>fuqiang.huang@maodi.net</p><p><span>電話: </span>13509625980</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.maodi.net</p><p><span>手機(jī): </span>0755-83280136</p><p><span>地址: </span>深南大道6006號(hào)華豐大廈2803、2804</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="dhxfljz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fb797rh" class="box"><p><p> 電流變送器的接法 </p> <p> 以我們經(jīng)常用到的GMC-I高美測(cè)儀的型號(hào)為SINEAX I538電流變送器為例，分為單相和三相電流變送器。其中單相變送器，可輸入一個(gè)從電流互感器來的二次電流，河南電流變送器電源，A,B,C相均可。三相電流變送器可以輸入從電流互感器來的三相電流，一般是A,B,C相的互感器二次電流，對(duì)應(yīng)輸出的是三路輸出，常用的是4-20MA的直流電流。另外，河南電流變送器電源，需要一個(gè)工作電源，DC24V和AC220V均可。你說的六根線，也許是三相電流變送器。 </p> <p> 另外說一下，河南電流變送器電源，電流變送器是一種測(cè)試儀表，如果檢查，應(yīng)該用萬用表或其他更精確的儀表，用試電筆不能很準(zhǔn)確的判斷問題所在，比如，輸入的電流回路，里面通常有一個(gè)精密電流互感器，如果用試電筆，和短路是一樣的，無法判斷。廣州交直流電流變送器哪個(gè)品牌的好？河南電流變送器電源</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電流變送器電源,電流變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/szmdjd/637363654828027344/3664849.png"></div><p> 電流變送器的工作原理是什么呢？ </p> <p> <strong> <p> 集成電流變送器亦dao稱電du流環(huán)電路，根據(jù)轉(zhuǎn)換原理zhi的不同可劃分成以下dao兩種類型： </p> <p> 一種回是電壓／電流轉(zhuǎn)答換器，亦稱電流環(huán)發(fā)生器，它能將輸入電壓轉(zhuǎn)換成4~20mA的電流信號(hào) </p> <p> <p> 就是將交直流電流信號(hào)變換為符合某種標(biāo)準(zhǔn)的，如4~20mA的電流信號(hào)。 </p> <p> 一般是通過互感器，霍爾電流傳感器，分流器等器件，將大電流信號(hào)變換為小電流信號(hào)或低電壓信號(hào)，再變換為符合輸出標(biāo)準(zhǔn)的電流信號(hào)。 </p> <p> 電流變送器哪家好？德國GMC-I高美測(cè)儀SINEAX I538 找深圳市茂迪機(jī)電設(shè)備有限公司 </p> </p> <p> <br /> </p> <br /> <p> <br /> </p> <br /> <p> <br /> </p> </strong> 河南電流變送器電源一文看懂電流變送器作用和原理及電路圖。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電流變送器電源,電流變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/szmdjd/637363654437099610/2668815.png"></div><p> 進(jìn)口電流變送器選德國GMC-I高美測(cè)儀SINEAX I538 電流變送器，找深圳茂迪； </p> <p> 電量變送器的原理電量變送器是一種將被測(cè)電量(交流電壓、電流、有功功率、無功功率、有功電能、無功電能、頻率、相位、功率因數(shù)、直流電壓、電流等)轉(zhuǎn)換成按線性比例直流電流或電壓輸出(電能脈沖輸出)的測(cè)量?jī)x表。 </p> <p> 它**應(yīng)用于電力、石油、煤炭、冶金、鐵道、市政等部門的電氣測(cè)量、自動(dòng)控制以及調(diào)度系統(tǒng)。電量變送器的基本測(cè)量電路一般由下圖幾個(gè)部分組成：由于我們需要測(cè)量的電量一般都為高電壓(57.7-380V)和大電流(1A-10A)，如果不對(duì)它們進(jìn)行隔離和把幅度減小，將對(duì)人身安全和設(shè)備造成嚴(yán)重威脅，信號(hào)輸入隔離一般采用電壓互感器(PT)和電流互感器(CT)，對(duì)這一部分的基本要求為： </p> <p> a. 信號(hào)隔離的耐壓絕緣性能要好，耐壓應(yīng)>2kV。 </p> <p> b. 線性要好，由于PT、CT都采用鐵磁材料加工而成，它們的線性不好，在以后的電路中是很難補(bǔ)償?shù)模虼?，一定要選用質(zhì)量材料和先進(jìn)工藝制造的高線性度PT、CT，才能保證變送器測(cè)量的線性度。 </p> <p> <br /> </p><p style="text-indent:25px">德國GMC-I高美測(cè)儀SINEAX I538電流變送器的4-20mA輸出如何轉(zhuǎn)換?兩線制的輸出為4～20 mA，通過250 Ω的精密電阻轉(zhuǎn)換成1～5 V或2-10V的模擬電壓信號(hào).轉(zhuǎn)換成數(shù)字信號(hào)有多種方法，系統(tǒng)的輸入模塊采用壓頻轉(zhuǎn)換器件***將模擬電壓信號(hào)轉(zhuǎn)換成頻率信號(hào)，用光電耦合器件***進(jìn)行模擬量與數(shù)字量的隔離。同時(shí)模擬信號(hào)處理電路與數(shù)字信號(hào)處理電路分別使用兩組**的電源，模擬地與數(shù)字地相互分開，這樣可提高系統(tǒng)工作的安全性。利用壓頻轉(zhuǎn)換器件***也有一定的抗高頻干擾的作用。單相交流變送器是進(jìn)口的好還是國產(chǎn)的好？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電流變送器電源,電流變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/szmdjd/637363654471601563/3472986.png"></div><p> 電壓變送器SINEAX U554 </p> <p> <br /> </p> <p> ? 產(chǎn)品簡(jiǎn)介 </p> <p> SINEAX U554電壓變送器用于測(cè)量正弦或失真交流電流，需要電源連接。 </p> <p> <br /> </p> <p> <br /> </p> <p> ? 產(chǎn)品特點(diǎn) </p> <p> <br /> </p> <p> ? RMS值測(cè)量達(dá)到波峰因數(shù)6 </p> <p> ? 感興趣的測(cè)量范圍可以突出顯示 </p> <p> <br /> </p> <p> <br /> </p> <p> ? 技術(shù)數(shù)據(jù) </p> <p> <br /> </p> <p> ? 測(cè)量輸入：最小值0V,測(cè)量范圍最大值E3 =20...690V,步點(diǎn)0.1·E3...0.9·E3，標(biāo)稱頻率50/60Hz或400Hz </p> <p> ? 測(cè)量輸出：最大值A(chǔ)3=1mA,5mA,10mA,20mA,10V或用戶自定義1...20mA或1...10V </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> ? 精度：等級(jí)0.5在15...30℃內(nèi) </p> <p> ? 供電電源： 24-60V AC/DC或85-230V AC/DC(也可從測(cè)量輸入端)，230V AC 50/60Hz或24V AC/24-60V DC,通過低電壓側(cè)連接 </p> <p> ? 外形尺寸：69.1 x 70 x 112.5 mm SINEAX I538電流變送器接線圖。河南電流變送器電源</p><p style="text-indent:25px">核級(jí)認(rèn)證的電流變送器SINEAX I538。河南電流變送器電源</p><p> 兩線制電流變送器兩線制是指現(xiàn)場(chǎng)變送器與控制室儀表聯(lián)系*用兩根導(dǎo)線，這兩根線既是電源線，又是信號(hào)線。兩線制與三線制（一根正電源線，兩根信號(hào)線，其中一根共GND）和四線制（兩根正負(fù)電源線，兩根信號(hào)線，其中一根GND）相比，兩線制的優(yōu)點(diǎn)是： </p> <p> 1、不易受寄生熱電偶和沿電線電阻壓降和溫漂的影響，可用非常便宜的更細(xì)的導(dǎo)線；可節(jié)省大量電纜線和安裝費(fèi)用； </p> <p> 2、在電流源輸出電阻足夠大時(shí)，經(jīng)磁場(chǎng)耦合感應(yīng)到導(dǎo)線環(huán)路內(nèi)的電壓，不會(huì)產(chǎn)生***影響，因?yàn)楦蓴_源引起的電流極小，一般利用雙絞線就能降低干擾；兩線制與三線制必須用屏蔽線，屏蔽線的屏蔽層要妥善接地。河南電流變送器電源</p><p style="text-indent:25px">深圳市茂迪機(jī)電設(shè)備有限公司是一家一般經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的購銷、技術(shù)維護(hù)、信息咨詢；國內(nèi)貿(mào)易；貨物與技術(shù)的進(jìn)出口業(yè)務(wù)。（法律、行政法規(guī)、國**決定禁止的項(xiàng)目除外，限制的項(xiàng)目須取得許可后方可經(jīng)營(yíng)），許可經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的安裝、維修。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。茂迪擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供電能質(zhì)量分析儀，功率分析儀，亮度計(jì)，色差儀。茂迪始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。茂迪始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使茂迪在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2176218.html</p></div></div></div></div></div><div id="hnv75th" class="page-right twoColRt"><div id="7h5fnlr" class="box01 margin10 clearfix"><h3><a 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