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href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dgyqybwr/">電工儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-dgyqybwr_dzclybxx/">電阻測量儀表</a>?安徽港瑞電器絕緣電阻測試儀值得信賴深圳市茂迪機電設備供應</p><div id="8ok8szl" class="leftbox clearfix"><h1>安徽港瑞電器絕緣電阻測試儀值得信賴深圳市茂迪機電設備供應</h1><div id="smo7eq7" class="proBig"><div id="3hofryp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740851787109/1620313.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="i8lsu8o" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740851787109/1620313.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nhjahaw" 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)品關鍵詞：</span>安徽港瑞電器絕緣電阻測試儀,絕緣電阻測試儀</p><p><span>***更新：</span>2021-01-29 07:14:17</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="mqcofwy" 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="8frtfri" class="page-proshow02"><p class="title">詳細說明</p><div id="auls2u7" class="box"><p><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備，它提供一個電壓，并測量由被測設備所決定的電流。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，安徽港瑞電器絕緣電阻測試儀、馬達，安徽港瑞電器絕緣電阻測試儀、電源變壓器、配線、電器和其它電氣裝置（如控制、信號，安徽港瑞電器絕緣電阻測試儀、通信和電源的電纜）的絕緣電阻。智能雙顯絕緣電阻測試儀。安徽港瑞電器絕緣電阻測試儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽港瑞電器絕緣電阻測試儀,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740851787109/1620313.png"></div><p> 合成電阻的方法由于受到設計成本和尺寸規(guī)格的限制被排除在外。采用的是分立式高壓電阻器矩陣的方法，組成一個陣列，能夠提供500,000多種電阻值輸出。在這種校準器中，有8個范圍的電阻值，覆蓋了10kΩ到10 GΩ的范圍，每個范圍均能提供4.5 位的穩(wěn)定輸出。 </p> <p> 收**適的高壓電阻器并將其集成到一個儀器內(nèi)又存在另一項挑戰(zhàn)。這就是與歐盟CE認證的一項強制性要求《低電壓指令》相關的安全性標準挑戰(zhàn)。與儀器制造商相關的標準是EN 61010－測量、控制和實驗室用電氣設備的安全要求。 </p> <p> 低電壓指令要求將校準器電壓限制為1,000Vrms。那么如何校準測試電壓高達5 kV 的兆歐表呢？這類儀器具有更寬的動態(tài)范圍，可測量高到10TΩ的電阻，并且提供了如上所述的保護端子，使其能夠準確測量非常高的電阻值。幸運的是，這樣的保護配置可以使其本身形成一個電阻倍增器，能夠有效地將一個已知電阻倍增為1000倍。同樣重要的是，由于倍增器是一個分立、隔離、**的設備，可以滿足倍增器所需的高電壓，它已經(jīng)不是《低電壓指令》所管轄的范圍。寧夏絕緣電阻測試儀多少錢絕緣電阻測試國家標準。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽港瑞電器絕緣電阻測試儀,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740443593750/5680536.png"></div><p> 尤其變電站、發(fā)電廠現(xiàn)場受到電網(wǎng)泄漏感應強干擾的被測量對象，事先應通過接大地的多個人工放***良好接到所有被測量線路端，避免接線時接線人員被電擊，儀表接線完成后才把被測量端的人工放***移開。 </p> <p> 2．接線： </p> <p> 把儀表的兩個‘E’端接到被測物的地或零端，以及大地。 </p> <p> 把儀表的‘L’端接到被測線路端，例如變壓器繞組，電纜芯線。 </p> <p> 把儀表‘G’端接到被測回路需要消除表面電阻泄漏影響的保護環(huán)。 </p> <p> <br /> </p> <p> 3．預選測試電源電壓： </p> <p> 把‘高壓預選’旋鈕開關選向需要的測試電源電壓。如需要從0V調(diào)起時，需要把‘高壓調(diào)節(jié)’旋鈕反時針旋轉(zhuǎn)到盡頭。 </p> <p> <br /> </p><p> 產(chǎn)品特征1、數(shù)字兆歐表具有自動釋放電壓功能 </p> <p> 2、USB接口數(shù)據(jù)傳輸 </p> <p> 3、背光功能便于在陰暗光線下工作 </p> <p> 4、條形圖顯示測量結(jié)果 </p> <p> 5、高壓提示符和紅色警示燈 </p> <p> 6、自動關機功能：當測量結(jié)束后15分鐘如果不操作會自動關機，自動關機后按ON/OFF鍵1秒后方可開機 </p> <p> 7、18組數(shù)據(jù)存諸功能 </p> <p> 8、設定測試時間TIME功能：在指定時間15分鐘內(nèi)自動執(zhí)行測量 </p> <p> 9、COMP測量(比較功能測量) </p> <p> 10、PI測量(極化指數(shù)測量) PI測量能在任意兩點時間里，根據(jù)設定自動測量電阻比率 </p> <p> 11、誤差極限：±(a%讀數(shù)+字數(shù))，保證期一年 </p> <p> 12、環(huán)境溫度：23±5℃ 數(shù)字絕緣電阻測試儀的使用方法。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽港瑞電器絕緣電阻測試儀,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740135341797/9762323.png"></div><p> 數(shù)字兆歐表4類常見故障 </p> <p> 為了保證數(shù)字兆歐表能正常工作，我們在這里簡要介紹一下4類常見的兆歐表故障： 1、電壓不穩(wěn)?？赡茉蛴腥齻€：*、調(diào)速器裝置螺絲松弛，調(diào)速輪摩擦點接觸不緊密；第二，調(diào)速器彈簧松動；第三，彈性不足。 2、無交流、直流輸出?？赡茉驊撚腥齻€：*、子線圈開路；第二、定子線圈脫焊，第三、二極管或電容器損壞。 3、無法搖動，即發(fā)電機有卡住現(xiàn)象或者搖動時很費力。主要原因有兩類：*是發(fā)電機轉(zhuǎn)子與極靴相碰或者是增速齒輪嚙合不好，第二是發(fā)電機轉(zhuǎn)子已損壞。 4、機殼漏電。大致原因應該是內(nèi)部引線碰殼或發(fā)電機彈簧引出線碰殼或是由于受潮造成絕緣不良。用數(shù)字兆歐表測量絕緣時，為什么規(guī)定搖測時間為１分鐘？用兆歐表測量絕緣電阻時，一般規(guī)定以搖測一分鐘后的讀數(shù)為準備。因為在絕緣體上加上直流電壓后，流過絕緣體的電流（吸收電流）將隨時間的增長而逐漸下降。而絕緣的直流電阻率是根據(jù)穩(wěn)態(tài)傳導電流確定的，并且不同材料的絕緣體，其絕緣吸收電流的衰減時間也不同。但是試驗證明，絕大多數(shù)材料其絕緣吸收電流經(jīng)過一分鐘已趨于穩(wěn)定，所以規(guī)定以加壓一分鐘后的絕緣電阻值來確定絕緣性能的好壞。水內(nèi)冷發(fā)電機絕緣電阻測試儀。安徽港瑞電器絕緣電阻測試儀</p><p style="text-indent:25px">日本菊水耐壓絕緣電阻測試儀。安徽港瑞電器絕緣電阻測試儀</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，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。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，其上限可達到10TΩ，所需的電壓更高。 </p> <p> 深圳市茂迪機電設備有限公司安徽港瑞電器絕緣電阻測試儀</p><p> 深圳市茂迪機電設備有限公司成立于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/3062859.html</p></div></div></div></div></div><div id="klc2x8w" class="page-right twoColRt"><div id="lf8u7hg" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xrdkgx8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="l7pwyf2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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