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href="http://www.cdcfah.com/cp/third-dgyqybwr_dzclybxx/">電阻測量儀表</a>?山東fluke絕緣電阻測試儀多少錢一個服務(wù)為先深圳市茂迪機電設(shè)備供應(yīng)</p><div id="wh4delc" class="leftbox clearfix"><h1>山東fluke絕緣電阻測試儀多少錢一個服務(wù)為先深圳市茂迪機電設(shè)備供應(yīng)</h1><div id="z3jnlwn" class="proBig"><div id="xtcy4se" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740395224609/6932303.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="key83eq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740395224609/6932303.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="em3vcoa" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>山東fluke絕緣電阻測試儀多少錢一個,絕緣電阻測試儀</p><p><span>***更新：</span>2020-12-26 00:24:42</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="jc478gs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市茂迪機電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強</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: </span>0755-83280136</p><p><span>地址: </span>深南大道6006號華豐大廈2803、2804</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="gaef9jq" class="page-proshow02"><p class="title">詳細說明</p><div id="3o3zqse" class="box"><p><p> 絕緣電阻測試儀原理 </p> <p> 絕緣電阻測試儀主要是通過用一個電壓激勵被測裝置或網(wǎng)絡(luò)，然后測量激勵所產(chǎn)生的電流，利用歐姆定律測量出電阻。例如，與數(shù)字多用表(DMM)上配備的歐姆表功能相比，這些電氣測試器在進行電阻測量時施加的電壓要高得多，山東fluke絕緣電阻測試儀多少錢一個。兆歐表采用的電壓范圍通常從50V到高達5 </p> <p> kV;而典型數(shù)字多用表的電壓一般小于10 V。對于絕緣測試來說，需要測量的電阻值范圍很大，山東fluke絕緣電阻測試儀多少錢一個，其上限可達到10TΩ，山東fluke絕緣電阻測試儀多少錢一個，所需的電壓更高。 </p> <p> 深圳市茂迪機電設(shè)備有限公司怎么選絕緣電阻測試儀型號規(guī)格。山東fluke絕緣電阻測試儀多少錢一個</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東fluke絕緣電阻測試儀多少錢一個,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740395224609/6932303.png"></div><p> 都是越大越好，因為都說絕緣了，比較好是無窮大，但是不現(xiàn)實，所以說絕緣電阻的參數(shù)一般都是說大于多少多少歐，不會說多少歐--多少歐。 </p> <p> 電機絕緣電阻，只要每千伏大于1兆歐就算合格。 </p> <p> 對于一般在用電機，無論是三相還是單相電機的絕緣電阻只要大于0.4---0.5 兆歐就算合格。當然電機的絕緣電阻是越大越好。 </p> <p> 電機的絕緣電阻是指：繞組與繞組之間（也就是常說的相與相之間）、繞組與外殼之間（也就是常說的相與地之間）的電阻。對于一般電機可用500V搖表測試。山東fluke絕緣電阻測試儀多少錢一個絕緣電阻測試儀的使用方法和標準。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東fluke絕緣電阻測試儀多少錢一個,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741259853515/5645312.png"></div><p> 幾乎所有的絕緣測試儀都采用直流電壓作為激勵，所以兆歐表校準器的交流要求很少。許多兆歐表為兩端設(shè)備，它提供一個電壓，并測量由被測設(shè)備所決定的電流。量程達到1TΩ 以及更高的兆歐表通常具有第三個端子，稱為保護端（Guard），對于消除泄漏通路以及被測未知電阻Rx的并聯(lián)元件非常有用。保護端的目的是消除可能會產(chǎn)生的泄漏電流來選擇性地將輸出寄生電阻性元件的影響減小為零。 </p> <p> 絕緣測試儀，通常被稱為數(shù)字兆歐表或高阻計，***用于測量發(fā)電機、馬達、電源變壓器、配線、電器和其它電氣裝置（如控制、信號、通信和電源的電纜）的絕緣電阻。 </p><p style="text-indent:25px">有的標準規(guī)定每kV電壓，絕緣電阻不小于1MΩ等。在家用電器產(chǎn)品標準中，通常只規(guī)定熱態(tài)絕緣電阻，而不規(guī)定常態(tài)條件下的絕緣電阻值，常態(tài)條件下的絕緣電阻值由企業(yè)標準中自行制定。如果常態(tài)絕緣電阻值低，說明絕緣結(jié)構(gòu)中可能存在某種隱患或受損。如電機繞組對外殼的絕緣電阻低，可能是在嵌線時繞組的均線槽絕緣受到損傷所致。在使用電器時，由于突然上電或切斷電源或其它緣故，電路產(chǎn)生過電壓，在絕緣受損處產(chǎn)生擊穿，造成對人身的安全或威脅 [1] 。耐壓測試儀絕緣電阻。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東fluke絕緣電阻測試儀多少錢一個,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740163876953/8353403.png"></div><p style="text-indent:25px">測量回路在前面講的搖表（兆歐表）中測量回路和顯示部分的合二為一的。它是有一個流比計表頭來完成的，這個表頭中有兩個夾角為60°（左右）的線圈組成，其中一個線圈是并在電壓兩端的，另**圈是串在測量回路中的。表頭指針的偏轉(zhuǎn)角度決定于兩個線圈中的電流比，不同的偏轉(zhuǎn)角度**不同的阻值，測量阻值越小串在測量回路中的線圈電流就越大，那么指針偏轉(zhuǎn)的角度越大。另一個方法是用線性電流表作為測量和顯示。前面用到的流比計表頭中由于線圈中的磁場是非均勻的，當指針在無窮大處，電流線圈正好在磁通密度**強的地方，所以盡管被測電阻很大，流過電流線圈電流很少，此時線圈的偏轉(zhuǎn)角度會較大。當被測電阻較小或為0時，流過電流線圈的電流較大，線圈已偏轉(zhuǎn)到磁通密度較小的地方，由此引起的偏轉(zhuǎn)角度也不會很大。這樣就達到了非線性的矯正。一般兆歐表表頭的阻值顯示需要跨幾個數(shù)量級。但當用線性電流表頭直接串入測量回路中就不行了，在高阻值時的刻度全部擠在一起，無法分辨，為了也要達到非線性矯正就必須在測量回路中加入非線性元件。500v搖表測絕緣多少合格？內(nèi)蒙古ms-2000智能絕緣電阻測試儀兩檔</p><p style="text-indent:25px">德國進口絕緣電阻測試儀器怎么樣？山東fluke絕緣電阻測試儀多少錢一個</p><strong> <p> 注意：當***次使用絕緣電阻測試儀表時，需充電6小時。否則儀表不能正常工作。充電方法詳見“電池充電”的相關(guān)內(nèi)容。 </p> <p> 1、試驗前應(yīng)拆除被試設(shè)備電源及一切對外連線，并將被試物短接后接地放電1min，電容量較大的應(yīng)至少放電2min以免觸電和影響測量結(jié)果。 </p> <p> 2、效驗儀表指針是否在無窮大上，否則需調(diào)整機械調(diào)零螺絲(7)。 </p> <p> 注意：在調(diào)整機械調(diào)零螺絲時，左右調(diào)整量為半圈。 </p> <p> 3、用干燥清潔的柔軟布擦去被試物的表面污垢，必要時先用汽油洗凈套管的表面積垢，以消除表面漏電電流影響測試結(jié)果。 </p> <p> 4、將帶高壓測試線（紅色）插入（2）LINE端，另一端探針或探鉤接于被試設(shè)備的高壓導(dǎo)體上，將測試線（綠色）插入（3）GUARD端，另一端接于被試設(shè)備的高壓護環(huán)上，以消除表面泄漏電流的影響（詳見“屏蔽端的使用方法”相關(guān)內(nèi)容。將另外一根黑色測試線插入地端（EARTH）（1）端，另一頭接于被試設(shè)備的外殼或地上。 </p> <p> 注意：在接線時嚴禁將LINE與GUARD短路，以免發(fā)生過載現(xiàn)象！山東fluke絕緣電阻測試儀多少錢一個</p> </strong><p> 深圳市茂迪機電設(shè)備有限公司成立于1995年4月，是廣東省儀器儀表協(xié)會理事單位、深圳市儀器儀表行業(yè)協(xié)會理事單位，深圳市**采購中心定點采購單位。主要由光電事業(yè)部、物體色差部、系統(tǒng)集成部，環(huán)境測試儀器部組成。 </p> <p> 經(jīng)過多年的努力，根據(jù)中國儀器儀表市場的需求及國內(nèi)外儀器儀表行業(yè)的發(fā)展趨勢，我公司從眾多的同類產(chǎn)品中精挑細選出一些技術(shù)先進，質(zhì)量可靠，性價比高的品牌測量儀器推薦給用戶，與日本柯尼卡美能達 Konica Minolta、美國Radiant、雷云光電Rayclouds、德國Instyument Systems、日本托普康Topcon、法國ELDIM、美國藍菲Labsphere、中國臺灣茂迪、德國GMC-I高美測儀、德國GMC-I KURTH（庫爾特），TESCOM，有著緊密而***的合作聯(lián)系。 </p> <p> </p> <span style="display:none;"></span></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2560680.html</p></div></div></div></div></div><div id="mgarqr8" class="page-right twoColRt"><div id="tsphlmy" class="box01 margin10 clearfix"><h3><a 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