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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="ujg9kro" 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="ix3subd" 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>廣東megger絕緣電阻測(cè)試儀,絕緣電阻測(cè)試儀</p><p><span>***更新：</span>2021-01-15 00:21:11</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="mbydsz3" 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="m82kmeg" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="gqi9nfr" class="box"><p><p> 合成電阻的方法由于受到設(shè)計(jì)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(gè)陣列，能夠提供500,000多種電阻值輸出。在這種校準(zhǔn)器中，有8個(gè)范圍的電阻值，覆蓋了10kΩ到10 GΩ的范圍，每個(gè)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(gè)儀器內(nèi)又存在另一項(xiàng)挑戰(zhàn)。這就是與歐盟CE認(rèn)證的一項(xiàng)強(qiáng)制性要求《低電壓指令》相關(guān)的安全性標(biāo)準(zhǔn)挑戰(zhàn)。與儀器制造商相關(guān)的標(biāo)準(zhǔn)是EN 61010－測(cè)量、控制和實(shí)驗(yàn)室用電氣設(shè)備的安全要求。 </p> <p> 低電壓指令要求將校準(zhǔn)器電壓限制為1,000Vrms。那么如何校準(zhǔn)測(cè)試電壓高達(dá)5 kV 的兆歐表呢？這類儀器具有更寬的動(dòng)態(tài)范圍，可測(cè)量高到10TΩ的電阻，并且提供了如上所述的保護(hù)端子，使其能夠準(zhǔn)確測(cè)量非常高的電阻值，廣東megger絕緣電阻測(cè)試儀。幸運(yùn)的是，這樣的保護(hù)配置可以使其本身形成一個(gè)電阻倍增器，能夠有效地將一個(gè)已知電阻倍增為1000倍。同樣重要的是，由于倍增器是一個(gè)分立，廣東megger絕緣電阻測(cè)試儀、隔離，廣東megger絕緣電阻測(cè)試儀、**的設(shè)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。絕緣電阻測(cè)試記錄怎么填寫。廣東megger絕緣電阻測(cè)試儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東megger絕緣電阻測(cè)試儀,絕緣電阻測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740443593750/5680536.png"></div><p style="text-indent:25px">使用絕緣電阻測(cè)試儀測(cè)量步驟1）將兩個(gè)接地探針沿接地體輻射方向分別插入距接地體20m、40m的地下，插人深度為400mm，如下圖所示。接地電阻測(cè)試使用圖解接地電阻測(cè)試使用圖解：a）實(shí)際操作 b）等效原理2）將接地電阻測(cè)量?jī)x平放于接地體附近，并進(jìn)行接線，接線方法如下：①用**短的**導(dǎo)線將接地體與接地測(cè)量?jī)x的接線端“E1”（三端鈕的測(cè)量?jī)x）或與C2、”短接后的公共端（四端鈕的測(cè)量?jī)x）相連。②用**長(zhǎng)的**導(dǎo)線將距接地體40m的測(cè)量探針（電流探針）與測(cè)量?jī)x的接線鈕“C1”相連。③用余下的長(zhǎng)度居中的**導(dǎo)線將距接地體⒛m的測(cè)量探針（電位探針）與測(cè)量?jī)x的接線端“P1”相連。3）將測(cè)量?jī)x水平放置后，檢查檢流計(jì)的指針是否指向中心線，否則調(diào)節(jié)“零位調(diào)整器”使測(cè)量?jī)x指針指向中心線。4）將“倍率標(biāo)度”（或稱粗調(diào)旋鈕）置于比較大倍數(shù)，并慢慢地轉(zhuǎn)動(dòng)發(fā)電機(jī)轉(zhuǎn)柄（指針開(kāi)始偏移），同時(shí)旋動(dòng)“測(cè)量標(biāo)度盤”（或稱細(xì)調(diào)旋鈕）使檢流計(jì)指針指向中心線。5）當(dāng)檢流計(jì)的指針接近于平衡時(shí)（指針近于中心線）加快搖動(dòng)轉(zhuǎn)柄，使其轉(zhuǎn)速達(dá)到120r/min以上，同時(shí)調(diào)整“測(cè)量標(biāo)度盤”，使指針指向中心線。江西表面絕緣電阻測(cè)試儀報(bào)價(jià)高精度數(shù)字絕緣電阻測(cè)試儀全自動(dòng)絕緣電阻測(cè)試儀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東megger絕緣電阻測(cè)試儀,絕緣電阻測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740500908203/1108908.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(cè)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(cè)量范圍的選擇原則是：要使測(cè)量范圍適應(yīng)被測(cè)絕緣電阻的數(shù)值免讀數(shù)時(shí)產(chǎn)生較大的誤差。如有些兆歐表的讀數(shù)不是從零開(kāi)始，而是從1兆歐或2兆歐開(kāi)始。這種表就不適宜用于測(cè)定處在潮濕環(huán)境中的低壓電氣設(shè)備的絕緣電阻。因?yàn)檫@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(rèn)為絕緣電阻為零，而得出錯(cuò)誤結(jié)論 . </p> <p> <br /> </p><p> 絕緣電阻測(cè)試儀器（Insulationresistance testing instrument）又稱數(shù)字絕緣電阻測(cè)試儀、兆歐表、智能絕緣電阻測(cè)試儀等，適于在各種電氣設(shè)備的保養(yǎng)、維修、試驗(yàn)及檢定中作絕緣測(cè)試。絕緣電阻測(cè)試儀適于在各種電氣設(shè)備的保養(yǎng)、維修、試驗(yàn)及檢定中作絕緣測(cè)試。絕緣阻值分度線均勻清晰、便于準(zhǔn)確讀數(shù)。操作簡(jiǎn)捷，攜帶方便。低耗電，用8×1.5V(AA,R6)電池供電，使用時(shí)間長(zhǎng)。具有電池容量檢查功能。 </p> <p> 產(chǎn)品特性2 技術(shù)參數(shù)3 充電注意事項(xiàng)——深圳市茂迪機(jī)電設(shè)備有限公司絕緣電阻測(cè)試儀的型號(hào)選擇-深圳茂迪。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東megger絕緣電阻測(cè)試儀,絕緣電阻測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637377740135341797/9762323.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(cè)量回路；第三是顯示。 </p> <p> 用來(lái)測(cè)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(píng)價(jià)其絕緣好壞的重要標(biāo)志之一，它通過(guò)絕緣電阻反映出來(lái)。 </p> <p> 測(cè)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(gè)比較低的絕緣電阻值。 </p> <p> <br /> 絕緣電阻測(cè)試國(guó)家標(biāo)準(zhǔn)。廣西絕緣電阻測(cè)試儀哪家好</p><p style="text-indent:25px">絕緣電阻測(cè)量?jī)x價(jià)格報(bào)價(jià)行情。廣東megger絕緣電阻測(cè)試儀</p><p> 都是越大越好，因?yàn)槎颊f(shuō)絕緣了，比較好是無(wú)窮大，但是不現(xiàn)實(shí)，所以說(shuō)絕緣電阻的參數(shù)一般都是說(shuō)大于多少多少歐，不會(huì)說(shuō)多少歐--多少歐。 </p> <p> 電機(jī)絕緣電阻，只要每千伏大于1兆歐就算合格。 </p> <p> 對(duì)于一般在用電機(jī)，無(wú)論是三相還是單相電機(jī)的絕緣電阻只要大于0.4---0.5 兆歐就算合格。當(dāng)然電機(jī)的絕緣電阻是越大越好。 </p> <p> 電機(jī)的絕緣電阻是指：繞組與繞組之間（也就是常說(shuō)的相與相之間）、繞組與外殼之間（也就是常說(shuō)的相與地之間）的電阻。對(duì)于一般電機(jī)可用500V搖表測(cè)試。廣東megger絕緣電阻測(cè)試儀</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(jià)比高的品牌測(cè)量?jī)x器推薦給用戶，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 style="display:none;"></span></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2846686.html</p></div></div></div></div></div><div id="sh8oli8" class="page-right twoColRt"><div id="c3szwy3" class="box01 margin10 clearfix"><h3><a 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