上海耐壓絕緣電阻測(cè)試儀兆歐表誠(chéng)信為本深圳市茂迪機(jī)電設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="兆歐表的使用方法及要求：1.測(cè)量前，應(yīng)將兆歐表保持水平位置，左手按住表身，右手搖動(dòng)兆歐表?yè)u柄，轉(zhuǎn)速約120r/min，指針應(yīng)指向無(wú)窮大（∞），否則說(shuō)明兆歐表有故障。2.測(cè)量前，應(yīng)切斷被測(cè)電器及回路的電源，上海耐壓絕緣電阻測(cè)試儀兆歐表，并對(duì)相"><meta name="keywords" content="上海耐壓絕緣電阻測(cè)試儀兆歐表,絕緣電阻測(cè)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" 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class="proBig"><div id="h8oqglw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740443593750/5680536.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3zjpsit" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740443593750/5680536.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ow2no3j" 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>上海耐壓絕緣電阻測(cè)試儀兆歐表,絕緣電阻測(cè)試儀</p><p><span>***更新：</span>2021-01-01 05:15:30</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="xk3wr37" 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="3lhb8mo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="s3cv2az" class="box"><p><p style="text-indent:25px">兆歐表的使用方法及要求：1.測(cè)量前，應(yīng)將兆歐表保持水平位置，左手按住表身，右手搖動(dòng)兆歐表?yè)u柄，轉(zhuǎn)速約120r/min，指針應(yīng)指向無(wú)窮大（∞），否則說(shuō)明兆歐表有故障。2.測(cè)量前，應(yīng)切斷被測(cè)電器及回路的電源，上海耐壓絕緣電阻測(cè)試儀兆歐表，并對(duì)相關(guān)元件進(jìn)行臨時(shí)接地放電，以保證人身與兆歐表的安全和測(cè)量結(jié)果準(zhǔn)確，上海耐壓絕緣電阻測(cè)試儀兆歐表。3.測(cè)量時(shí)必須正確接線。兆歐表共有3個(gè)接線端（L、E、G）。測(cè)量回路對(duì)地電阻時(shí)，L端與回路的裸露導(dǎo)體連接，E端連接接地線或金屬外殼；測(cè)量回路的絕緣電阻時(shí)，回路的首端與尾端分別與L、E連接；測(cè)量電纜的絕緣電阻時(shí)，為防止電纜表面泄漏電流對(duì)測(cè)量精度產(chǎn)生影響，應(yīng)將電纜的屏蔽層接至G端。4.兆歐表接線柱引出的測(cè)量軟線絕緣應(yīng)良好，兩根導(dǎo)線之間和導(dǎo)線與地之間應(yīng)保持適當(dāng)距離，以免影響測(cè)量精度。5.搖動(dòng)兆歐表時(shí)，不能用手接觸兆歐表的接線柱和被測(cè)回路，以防觸電，上海耐壓絕緣電阻測(cè)試儀兆歐表。 6.搖動(dòng)兆歐表后，各接線柱之間不能短接，以免損壞。METRAHIT 27I數(shù)字絕緣電阻測(cè)試儀怎么樣？上海耐壓絕緣電阻測(cè)試儀兆歐表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海耐壓絕緣電阻測(cè)試儀兆歐表,絕緣電阻測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740443593750/5680536.png"></div><p style="text-indent:25px">不同型號(hào)兆歐表的量程和示值的刻度方法不同，刻度分辨力不同，測(cè)量準(zhǔn)確度等級(jí)不同，都會(huì)引起示值間的差異。為了保證對(duì)電力設(shè)備的準(zhǔn)確測(cè)量，應(yīng)避免選用準(zhǔn)確度低，使用不方便的搖表。 3、試品大多含容性分量，并存在介質(zhì)極化現(xiàn)象，即使測(cè)試條件相同也難以獲得理想的數(shù)據(jù)重復(fù)性。 4、測(cè)量時(shí)，絕緣介質(zhì)的溫度和油溫應(yīng)與環(huán)境溫度一致，一般允許相差±5%。 5、應(yīng)在特定時(shí)間段的允許時(shí)間差范圍內(nèi)，盡快地讀取測(cè)量值。為使測(cè)量誤差不高于±5%，讀取R60S的時(shí)間允許誤差±3S，而讀取15S的時(shí)間不應(yīng)相差±1S。 6、高壓測(cè)試電源非理想電壓源，重負(fù)荷時(shí)，輸出電壓低于其額定值，這將導(dǎo)致單支路直讀測(cè)量法兆歐表測(cè)量準(zhǔn)確度因轉(zhuǎn)換系數(shù)的改變而降低。這種改變因兆歐表測(cè)試電源負(fù)荷特性不同而異。 7、不同動(dòng)態(tài)測(cè)試容量指標(biāo)的兆歐表，試驗(yàn)電壓在試品上的建立過(guò)程與對(duì)試品的充電能力均存在差異，測(cè)量結(jié)果也會(huì)不同，使用低于動(dòng)態(tài)測(cè)試容量指標(biāo)門(mén)限值的兆歐表測(cè)量時(shí)，由于儀表存在慣性網(wǎng)絡(luò)導(dǎo)致示值響應(yīng)速度上海耐壓絕緣電阻測(cè)試儀兆歐表絕緣電阻測(cè)試萬(wàn)用表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海耐壓絕緣電阻測(cè)試儀兆歐表,絕緣電阻測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741148203125/7126398.png"></div><strong> <p> 注意：當(dāng)***次使用絕緣電阻測(cè)試儀表時(shí)，需充電6小時(shí)。否則儀表不能正常工作。充電方法詳見(jiàn)“電池充電”的相關(guān)內(nèi)容。 </p> <p> 1、試驗(yàn)前應(yīng)拆除被試設(shè)備電源及一切對(duì)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(cè)量結(jié)果。 </p> <p> 2、效驗(yàn)儀表指針是否在無(wú)窮大上，否則需調(diào)整機(jī)械調(diào)零螺絲(7)。 </p> <p> 注意：在調(diào)整機(jī)械調(diào)零螺絲時(shí)，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(shí)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(cè)試結(jié)果。 </p> <p> 4、將帶高壓測(cè)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(cè)試線（綠色）插入（3）GUARD端，另一端接于被試設(shè)備的高壓護(hù)環(huán)上，以消除表面泄漏電流的影響（詳見(jiàn)“屏蔽端的使用方法”相關(guān)內(nèi)容。將另外一根黑色測(cè)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(shí)嚴(yán)禁將LINE與GUARD短路，以免發(fā)生過(guò)載現(xiàn)象！ </p> </strong><p> 絕緣電阻測(cè)量?jī)x在日常使用中的一些要點(diǎn) </p> <p> 絕緣電阻測(cè)量?jī)x是一種常用的測(cè)量?jī)x器，主要用于測(cè)量大型變壓器、互感器、發(fā)電機(jī)、高壓電動(dòng)機(jī)、電力電容、電力電纜、避雷器等設(shè)備的絕緣電阻。***小編主要來(lái)介紹一下絕緣電阻測(cè)量?jī)x的測(cè)量步驟，希望可以幫助用戶(hù)更好的應(yīng)用產(chǎn)品。測(cè)試儀在工作時(shí)，自身產(chǎn)生高電壓，而測(cè)量對(duì)象又是電氣設(shè)備，所以必須正確使用，否則就會(huì)造成人身或設(shè)備事故。在使用絕緣電阻測(cè)量?jī)x前，首先要做好以下各種準(zhǔn)備工作： 1、測(cè)量前必須將被測(cè)設(shè)備電源切斷，并對(duì)地短路放電，決不允許設(shè)備帶電進(jìn)行測(cè)量，以保證人身和設(shè)備的安全。 2、對(duì)可能感應(yīng)出高電壓的設(shè)備，必須消除這種可能性后才能進(jìn)行測(cè)量。 3、被測(cè)物表面要清潔，減少接觸電阻，確保測(cè)量結(jié)果的正確性。檢測(cè)機(jī)電設(shè)備用絕緣電阻測(cè)試儀要求的工作電壓和測(cè)試精度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海耐壓絕緣電阻測(cè)試儀兆歐表,絕緣電阻測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740851787109/1620313.png"></div><p style="text-indent:25px">2. 開(kāi)始測(cè)試（1）轉(zhuǎn)動(dòng)波段開(kāi)關(guān)接通電源，如電源工作正常指示燈應(yīng)發(fā)綠光否則回發(fā)紅或黃色光。（2）對(duì)于BC2550轉(zhuǎn)動(dòng)到BATT.CHECK檔，按下測(cè)試鍵⑩，儀表開(kāi)始檢測(cè)電池容量。對(duì)于BC2550要轉(zhuǎn)動(dòng)到電壓選擇檔，儀器自動(dòng)接通檢測(cè)電池容量3秒鐘。當(dāng)指針停在BATT.GOOD區(qū),則電池是好的,否則更換電池。（3）轉(zhuǎn)動(dòng)波段開(kāi)關(guān)，選擇需要的測(cè)試電壓（2500V/5000V）。（4）按下或鎖定測(cè)試鍵⑩開(kāi)始測(cè)試。這時(shí)測(cè)試鍵上方高壓輸出指示燈發(fā)亮并且儀表內(nèi)置蜂鳴器每隔1秒鐘響一聲，**LINE②端有高壓輸出。警告：測(cè)試過(guò)程中，嚴(yán)禁觸模探棒前端裸露部分以免發(fā)生觸電危險(xiǎn)。（5）當(dāng)綠色LED亮,在外圈讀絕緣電阻值(高范圍);紅色LED亮,則讀內(nèi)圈刻度。測(cè)試完后,松開(kāi)測(cè)試鍵⑩，儀表停止測(cè)試，等待幾秒鐘,不要立即把探頭從測(cè)試電路移開(kāi)。這時(shí)儀表將自動(dòng)釋放測(cè)試電路中的殘存電荷。警告：試驗(yàn)完畢或重復(fù)進(jìn)行試驗(yàn)時(shí)，必須將被試物短接后對(duì)地充分放電（儀表也有內(nèi)置自動(dòng)放電功能，不過(guò)時(shí)間較長(zhǎng)）如何判斷各種型號(hào)絕緣電阻測(cè)試儀精度高低-深圳茂迪。上海耐壓絕緣電阻測(cè)試儀兆歐表</p><p style="text-indent:25px">絕緣電阻測(cè)試儀的使用方法和標(biāo)準(zhǔn)。上海耐壓絕緣電阻測(cè)試儀兆歐表</p><p> 絕緣電阻測(cè)試儀原理 </p> <p> 絕緣電阻測(cè)試儀主要是通過(guò)用一個(gè)電壓激勵(lì)被測(cè)裝置或網(wǎng)絡(luò)，然后測(cè)量激勵(lì)所產(chǎn)生的電流，利用歐姆定律測(cè)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(cè)試器在進(jìn)行電阻測(cè)量時(shí)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(dá)5 </p> <p> kV;而典型數(shù)字多用表的電壓一般小于10 V。對(duì)于絕緣測(cè)試來(lái)說(shuō)，需要測(cè)量的電阻值范圍很大，其上限可達(dá)到10TΩ，所需的電壓更高。 </p> <p> 深圳市茂迪機(jī)電設(shè)備有限公司上海耐壓絕緣電阻測(cè)試儀兆歐表</p><p> 深圳市茂迪機(jī)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(huì)理事單位、深圳市儀器儀表行業(yè)協(xié)會(huì)理事單位，深圳市**采購(gòu)中心定點(diǎn)采購(gòu)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(cè)試儀器部組成。 </p> <p> 經(jīng)過(guò)多年的努力，根據(jù)中國(guó)儀器儀表市場(chǎng)的需求及國(guó)內(nèi)外儀器儀表行業(yè)的發(fā)展趨勢(shì)，我公司從眾多的同類(lèi)產(chǎn)品中精挑細(xì)選出一些技術(shù)先進(jìn)，質(zhì)量可靠，性?xún)r(jià)比高的品牌測(cè)量?jī)x器推薦給用戶(hù)，與日本柯尼卡美能達(dá) Konica Minolta、美國(guó)Radiant、雷云光電Rayclouds、德國(guó)Instyument Systems、日本托普康Topcon、法國(guó)ELDIM、美國(guó)藍(lán)菲Labsphere、中國(guó)臺(tái)灣茂迪、德國(guó)GMC-I高美測(cè)儀、德國(guó)GMC-I KURTH（庫(kù)爾特），TESCOM，有著緊密而***的合作聯(lián)系。 </p> <p> </p> <span 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