海南fluke絕緣電阻測試儀兆歐表歡迎來電深圳市茂迪機(jī)電設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="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，海南fluke絕緣電阻測試儀兆歐表，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~"><meta name="keywords" content="海南fluke絕緣電阻測試儀兆歐表,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" content="no-transform" /> <meta 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href="http://www.cdcfah.com/cp/third-dgyqybwr_dzclybxx/">電阻測量儀表</a>?海南fluke絕緣電阻測試儀兆歐表歡迎來電深圳市茂迪機(jī)電設(shè)備供應(yīng)</p><div id="lnjnhd9" class="leftbox clearfix"><h1>海南fluke絕緣電阻測試儀兆歐表歡迎來電深圳市茂迪機(jī)電設(shè)備供應(yīng)</h1><div id="7nb9jxd" class="proBig"><div id="7xtxpjl" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741346357422/3281496.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tbzdrj7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741346357422/3281496.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jhlrvxh" 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>海南fluke絕緣電阻測試儀兆歐表,絕緣電阻測試儀</p><p><span>***更新：</span>2021-02-06 08:12:55</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="tfbbfjn" 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="7nbznhb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ttf9999" class="box"><p><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，海南fluke絕緣電阻測試儀兆歐表，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，海南fluke絕緣電阻測試儀兆歐表、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)，海南fluke絕緣電阻測試儀兆歐表，容易誤認(rèn)為絕緣電阻為零，而得出錯誤結(jié)論 . </p> <p> <br /> 絕緣電阻表使用方法圖片。海南fluke絕緣電阻測試儀兆歐表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南fluke絕緣電阻測試儀兆歐表,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741346357422/3281496.png"></div><p> 尤其變電站、發(fā)電廠現(xiàn)場受到電網(wǎng)泄漏感應(yīng)強(qiáng)干擾的被測量對象，事先應(yīng)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(hù)環(huán)。 </p> <p> <br /> </p> <p> 3．預(yù)選測試電源電壓： </p> <p> 把‘高壓預(yù)選’旋鈕開關(guān)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 /> 江蘇高絕緣電阻測試儀智能雙顯絕緣電阻測試儀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南fluke絕緣電阻測試儀兆歐表,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740221152344/1912350.png"></div><p> 絕緣電阻表，又稱兆歐表、搖表、梅格表，絕緣電阻表主要是由三部分組成；***是直流高壓發(fā)生器，用以產(chǎn)生直流高壓；第二是測量回路；第三是顯示。 </p> <p> 用來測量比較大電阻值、絕緣電阻、吸收比以及極化指數(shù)的**儀表，它的標(biāo)度單位是兆歐，它本身帶有高壓電源。電器產(chǎn)品的絕緣性能是評價其絕緣好壞的重要標(biāo)志之一，它通過絕緣電阻反映出來。 </p> <p> 測定產(chǎn)品的絕緣電阻，是指帶電部分與外露非帶電金屬部分（外殼）之間的絕緣電阻，按不同的產(chǎn)品，施加一直流高壓，如100V、250V、500V、1000V等，規(guī)定一個比較低的絕緣電阻值。 </p> <p> <br /> </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(jìn)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(dá)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(dá)到10TΩ，所需的電壓更高。 </p> <p> 深圳市茂迪機(jī)電設(shè)備有限公司絕緣電阻測試儀的型號選擇-深圳茂迪。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南fluke絕緣電阻測試儀兆歐表,絕緣電阻測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377741198359375/8992300.png"></div><p style="text-indent:25px">不同型號兆歐表的量程和示值的刻度方法不同，刻度分辨力不同，測量準(zhǔn)確度等級不同，都會引起示值間的差異。為了保證對電力設(shè)備的準(zhǔn)確測量，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，即使測試條件相同也難以獲得理想的數(shù)據(jù)重復(fù)性。 4、測量時，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)在特定時間段的允許時間差范圍內(nèi)，盡快地讀取測量值。為使測量誤差不高于±5%，讀取R60S的時間允許誤差±3S，而讀取15S的時間不應(yīng)相差±1S。 6、高壓測試電源非理想電壓源，重負(fù)荷時，輸出電壓低于其額定值，這將導(dǎo)致單支路直讀測量法兆歐表測量準(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試電源負(fù)荷特性不同而異。 7、不同動態(tài)測試容量指標(biāo)的兆歐表，試驗電壓在試品上的建立過程與對試品的充電能力均存在差異，測量結(jié)果也會不同，使用低于動態(tài)測試容量指標(biāo)門限值的兆歐表測量時，由于儀表存在慣性網(wǎng)絡(luò)導(dǎo)致示值響應(yīng)速度GMC-I高美絕緣電阻測試儀表。海南fluke絕緣電阻測試儀兆歐表</p><p style="text-indent:25px">絕緣電阻測試儀_數(shù)字式兆歐表_深圳市茂迪機(jī)電設(shè)備有限公司。海南fluke絕緣電阻測試儀兆歐表</p><strong> <p> 注意：當(dāng)***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(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，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(hù)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(yán)禁將LINE與GUARD短路，以免發(fā)生過載現(xiàn)象！海南fluke絕緣電阻測試儀兆歐表</p> </strong><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(xì)選出一些技術(shù)先進(jìn)，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(dá) 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(lán)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/3191411.html</p></div></div></div></div></div><div id="zdrvtdh" class="page-right twoColRt"><div id="jvrx7xb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tdj9pbp" 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(qiáng) 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(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3hlpdz7" 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" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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