云南絕緣電阻測試儀1550c 歡迎來電深圳市茂迪機電設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="當用兆歐表搖測電器設(shè)備的絕緣電阻時,一定要注意“L”和“E”端不能接反,正確的接法是：“L”線端鈕接被測設(shè)備導體,“E”地端鈕接地的設(shè)備外殼,“G”屏蔽端接被測設(shè)備的絕緣部分。如果將“L”和“E”接反了,流過絕緣體內(nèi)及表面的漏電流經(jīng)外殼匯集"><meta name="keywords" content="云南絕緣電阻測試儀1550c,絕緣電阻測試儀"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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"index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="39evsz3" class="twoCol"><div id="nhez7a3" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</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>?云南絕緣電阻測試儀1550c 歡迎來電深圳市茂迪機電設(shè)備供應(yīng)</p><div id="xwo33ix" class="leftbox clearfix"><h1>云南絕緣電阻測試儀1550c 歡迎來電深圳市茂迪機電設(shè)備供應(yīng)</h1><div id="t2mtnzw" class="proBig"><div id="3lvp23j" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741174765625/3055818.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tnk8dhr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741174765625/3055818.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ajgv0m8" 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>云南絕緣電阻測試儀1550c,絕緣電阻測試儀</p><p><span>***更新：</span>2021-01-24 09:13:25</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="smjbaco" 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="zdpr9hg" class="page-proshow02"><p class="title">詳細說明</p><div id="jy38qnf" class="box"><p><p style="text-indent:25px">當用兆歐表搖測電器設(shè)備的絕緣電阻時,一定要注意“L”和“E”端不能接反,正確的接法是：“L”線端鈕接被測設(shè)備導體,“E”地端鈕接地的設(shè)備外殼,“G”屏蔽端接被測設(shè)備的絕緣部分。如果將“L”和“E”接反了,流過絕緣體內(nèi)及表面的漏電流經(jīng)外殼匯集到地,由地經(jīng)“L”流進測量線圈,使“G”失去屏蔽作用而給測量帶來很大誤差。另外,因為“E”端內(nèi)部引線同外殼的絕緣程度比“L”端與外殼的絕緣程度要低,當兆歐表放在地上使用時,采用正確接線方式時,“E”端對儀表外殼和外殼對地的絕緣電阻,相當于短路,不會造成誤差,而當“L”與“E”接反時,“E”對地的絕緣電阻同被測絕緣電阻并聯(lián),而使測量結(jié)果偏小,給測量帶來較大誤差。由此可見,要想準確地測量出電氣設(shè)備等的絕緣電阻，云南絕緣電阻測試儀1550c,必須對兆歐表進行正確的使用，云南絕緣電阻測試儀1550c，云南絕緣電阻測試儀1550c,否則,將失去了測量的準確性和可靠性。絕緣電阻測試儀產(chǎn)品標準。云南絕緣電阻測試儀1550c</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南絕緣電阻測試儀1550c,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741174765625/3055818.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。云南絕緣電阻測試儀1550cMETRAHIT 27EX絕緣毫歐萬用表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南絕緣電阻測試儀1550c,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740135341797/9762323.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。</p><p> 1.絕緣電阻測試儀原理--簡介 </p> <p> 絕緣電阻測試儀即智能雙顯絕緣電阻測試儀(兩檔)采用嵌入式工業(yè)單片機實時操作系統(tǒng)，數(shù)字模擬指針與數(shù)字段碼顯示完美結(jié)合，又稱數(shù)字絕緣電阻測試儀、兆歐表、智能絕緣電阻測試儀等。該系列表具有多種電壓輸出等級、容量大、抗干擾強、交直流兩用、操作簡單、各種測量結(jié)果具有防掉電功能等特點。它是測量大容量變壓器、互感器、發(fā)電機、高壓電動機、電力電容、電力電纜、避雷器等絕緣電阻的理想測試儀器。數(shù)字絕緣電阻測試儀報價_深圳茂迪。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南絕緣電阻測試儀1550c,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740366113281/7273409.png"></div><p> 怎樣選用數(shù)字兆歐表？兆歐表的選用，主要是選擇其電壓及測量范圍，高壓電氣設(shè)備需使用電壓高的兆歐表。低壓電氣設(shè)備需使用電壓低的兆歐表。一般選擇原則是： 500伏以下的電氣設(shè)備選用500~1000伏的兆歐表；瓷瓶、母線、刀閘應(yīng)選用2500伏以上的兆歐表。數(shù)字兆歐表測量范圍的選擇原則是：要使測量范圍適應(yīng)被測絕緣電阻的數(shù)值免讀數(shù)時產(chǎn)生較大的誤差。如有些兆歐表的讀數(shù)不是從零開始，而是從1兆歐或2兆歐開始。這種表就不適宜用于測定處在潮濕環(huán)境中的低壓電氣設(shè)備的絕緣電阻。因為這種設(shè)備的絕緣電阻有有可能小于1兆歐，使儀表得不到讀數(shù)，容易誤認為絕緣電阻為零，而得出錯誤結(jié)論 . </p> <p> <br /> 高精度數(shù)字絕緣電阻測試儀全自動絕緣電阻測試儀。云南絕緣電阻測試儀1550c</p><p style="text-indent:25px">絕緣電阻測試儀_兆歐表等絕緣電阻檢測設(shè)備。云南絕緣電阻測試儀1550c</p><p style="text-indent:25px">國統(tǒng)局數(shù)據(jù)顯示，2019年上半年儀器儀表大行業(yè)規(guī)模以上企業(yè)4927個，營收規(guī)模4002億元，營收同比增長7.57%；收入總額為361億元，同比增長2.87%，比主營收入低4.70個百分點；儀器儀表在工業(yè)生產(chǎn)過程中扮演著重要的角色，用到各種各樣的儀器儀表，如電能質(zhì)量分析儀，功率分析儀，亮度計，色差儀等為工業(yè)的檢驗、測量和計量提供技術(shù)支撐。目前我國一般經(jīng)營項目是：儀器儀表、通訊器材、機械設(shè)備、五金工具的購銷、技術(shù)維護、信息咨詢；國內(nèi)貿(mào)易；貨物與技術(shù)的進出口業(yè)務(wù)。（法律、行政法規(guī)、國**決定禁止的項目除外，限制的項目須取得許可后方可經(jīng)營），許可經(jīng)營項目是：儀器儀表、通訊器材、機械設(shè)備、五金工具的安裝、維修。產(chǎn)品，主要集中在中低檔市場，而市場則主要被國外品牌所占據(jù)。在某些領(lǐng)域，國產(chǎn)產(chǎn)品甚至是空白，這就需要未來我國儀器儀表向市場進軍，擴大產(chǎn)品占比。盡管在我國相關(guān)政策的引導和支持下，我國儀器儀表行業(yè)得到了飛速發(fā)展。但是從貿(mào)易整體上看，我國的儀器儀表行業(yè)還是落后于國際水平的。重點技術(shù)缺乏、高精尖產(chǎn)品嚴重依賴進口、儀器儀表產(chǎn)品同質(zhì)化嚴重、生產(chǎn)工藝落后、研發(fā)能力弱、精度不高等問題的凸顯，為儀器儀表行業(yè)的發(fā)展帶來了嚴峻的挑戰(zhàn)。云南絕緣電阻測試儀1550c</p><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/2988735.html</p></div></div></div></div></div><div id="fum27kb" class="page-right twoColRt"><div id="ys2mj2s" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3joq4wi" 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(yīng)" 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(yīng)</p></a></div><div id="dsp7gnt" class="recomPic likePro"><a 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