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id="dldvkgq" class="searchLt"><div id="73bry2f" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="jivn7j7" class="clearfix searchWrap"><div id="7aogds8" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="tcproqf" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a 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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rnv75x3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637358930929599609/788892.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dpdlljh" 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>廣西兆歐表和毫歐表,毫歐表</p><p><span>***更新：</span>2020-11-30 08:20:35</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="pl5zblr" 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="r3pf3hh" class="page-proshow02"><p class="title">詳細說明</p><div id="dnv5l53" class="box"><p><p> 自動手動選擇平均值自動平均值顯示，并且顯示正向和方向的電流測量值測試終端4mm標準插孔。接口USB或RS232校準數(shù)字校準，安全鍵保護。工作溫度0℃到+40℃，相對濕度80%**大非凝固儲存溫度-20℃到+50℃交流電源90-253V/AC，47-63Hz電池裝有鎳氫電池包，可監(jiān)控電池容量。內(nèi)置自動快速/慢速電池充電器，直流輸入從9V到36V。安全標準IEC61010-1/EN61010-1，CATⅢ600V尺寸358×269×155mm重量約5kg標準配置：DO7Plus數(shù)字微歐表1臺標準測試線1套（見附圖）USB和RS232數(shù)據(jù)線各1根軟件光盤1張充電電源線1根中英文使用手冊1套出廠檢驗證書一份標準配置測試線夾1套選配件：Pt100溫度補償傳感器（訂購編號：Pt02-DO7Plus）電阻儀選型數(shù)據(jù)表測試線夾選購深圳市茂迪機電設(shè)備有限公司，廣西兆歐表和毫歐表。德國高美測儀進口毫歐表，廣西兆歐表和毫歐表，廣西兆歐表和毫歐表，百年德企，品質(zhì)保障，值得信賴！廣西兆歐表和毫歐表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西兆歐表和毫歐表,毫歐表" src="https://tyunfile.71360.com/UploadFile/szmdjd/637358930929599609/788892.png"></div><p> 從而達到了在電路中的導通、切斷的目的。對于繼電器的“常開、常閉”觸點?？梢赃@樣來區(qū)分：繼電器線圈未通電時處于斷開狀態(tài)的靜觸點，稱為“常開觸點”；處于接通狀態(tài)的靜觸點稱為“常閉觸點”。2、熱敏干簧繼電器的工作原理和特性熱敏干簧繼電器是一種利用熱敏磁性材料檢測和控制溫度的新型熱敏開關(guān)。它由感溫磁環(huán)、恒磁環(huán)、干簧管、導熱安裝片、塑料襯底及其他一些附件組成。熱敏干簧繼電器不用線圈勵磁，而由恒磁環(huán)產(chǎn)生的磁力驅(qū)動開關(guān)動作。恒磁環(huán)能否向干簧管提供磁力是由感溫磁環(huán)的溫控特性決定的。3、固態(tài)繼電器（SSR）的工作原理和特性固態(tài)繼電器是一種兩個接線端為輸入端，另兩個接線端為輸出端的四端器件，中間采用隔離器件實現(xiàn)輸入輸出的電隔離。固態(tài)繼電器按負載電源類型可分為交流型和直流型。按開關(guān)型式可分為常開型和常閉型。按隔離型式可分為混合型、變壓器隔離型和光電隔離型，以光電隔離型為**多。繼電器主要產(chǎn)品技術(shù)參數(shù)1、額定工作電壓是指繼電器正常工作時線圈所需要的電壓。根據(jù)繼電器的型號不同，可以是交流電壓，也可以是直流電壓。2、直流電阻是指繼電器中線圈的直流電阻，可以通過***表測量。3、吸合電流是指繼電器能夠產(chǎn)生吸合動作的**小電流。海南毫歐表使用方法四線微歐計如何測量電阻。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西兆歐表和毫歐表,毫歐表" src="https://tyunfile.71360.com/UploadFile/szmdjd/637358930911396484/3333255.png"></div><p> 什么叫做微歐計？微歐計工作原理是什么？ </p> <p> 微歐計也叫數(shù)字微歐計，毫歐表，是一種測量低值電阻的數(shù)字式儀表。它的基本原理是：利用直流恒流源在被測電阻Rx上產(chǎn)生直流電壓降Ux，然后通過電壓放大和A/D轉(zhuǎn)換器變?yōu)閿?shù)字顯示的電阻值。在測量過程中，采用“四端子”（電流端子、電位端子）測量法，消除引線和接觸電阻帶來的誤差。數(shù)字微歐計具有操作簡便、省時、數(shù)顯、對操作人員要求不高等優(yōu)點。 </p> <p> <p> 微歐計的工作原理是通過電橋原理（國外也稱為開爾文原理）四線法測量的，即在電阻兩端施加1個恒流，再通過儀器檢測其兩端的電壓，然后通過儀器自動計算后得出電阻值。其優(yōu)點是測量的數(shù)據(jù)接近電阻在工作狀態(tài)下的真實阻值，且消除了測試線本身電阻的影響。 </p> <p> 而普通萬用表測量電阻一般采用比例法，被測電阻與標準電阻串聯(lián)，測量標準電阻和被測電阻的電壓，兩者電流相同，根據(jù)標準電阻的阻值換算出被測電阻的阻值。實際測量電路也有把標準電阻對應(yīng)電壓作為基準電壓，這樣，直接測量被測電阻兩端的電壓即可。 </p> </p><p> <p> 微電阻計bai，市場上通常稱為毫歐表或微歐du計。zhi其測試原理是通過電橋原理dao（國外也稱為開爾文原理）四線法測量的，即在電阻兩端施加1個恒流，再通過儀器檢測其兩端的電壓，然后通過儀器自動計算后得出電阻值。其優(yōu)點是測量的數(shù)據(jù)接近電阻在工作狀態(tài)下的真實阻值，且消除了測試線本身電阻的影響。 </p> <p> 而普通萬用表測量電阻一般采用比例法，被測電阻與標準電阻串聯(lián)，測量標準電阻和被測電阻的電壓，兩者電流相同，根據(jù)標準電阻的阻值換算出被測電阻的阻值。實際測量電路也有把標準電阻對應(yīng)電壓作為基準電壓，這樣，直接測量被測電阻兩端的電壓即可。 </p> <p> 所以，在測量微電阻的時候，毫歐表或微歐計更加反應(yīng)真實電阻值。而萬用表的測試線電阻會影響其被測電阻的真實值。 </p> <p> 比如測量一個1歐姆的電阻，如果萬用表的測試線本身就有1歐姆，那么顯示的阻值就是2歐姆，你說這個阻值是真實的嗎？但毫歐表和微歐表則不存在這個困惑。 </p> <p> 另一個很重要的因素是測試電流，某些電阻在不同測試電流下的阻值是會變化的，萬用表達不到這樣的要求，而毫歐表和微歐計則可選擇相應(yīng)的恒定測試電流。 </p> <p> <br /> </p> 數(shù)字式毫歐表的使用方法，視頻教程哪里有？找深圳茂迪黃富強。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西兆歐表和毫歐表,毫歐表" src="https://tyunfile.71360.com/UploadFile/szmdjd/637360195417324219/8573881.png"></div><p> Metrahit 27EX精密毫歐表適用于測量易爆環(huán)境低阻值接觸電阻，例如飛機燃料箱內(nèi)連接處（Bonding 檢測）的接觸電阻，以及飛機內(nèi)外部一些潛在的環(huán)境，也可測量飛機外表部分的接觸電阻（防雷和油芯測試）。 </p> <p> 深圳市茂迪機電設(shè)備有限公司 </p> <p> ■ 量程：30mΩ,300mΩ,3Ω,30Ω </p> <p> ■ 分辨率：10Ω </p> <p> ■ 測試方法：開爾文四線法 </p> <p> ■ 數(shù)據(jù)保持存儲：1200 組 </p> <p> ■ EX 等級：Ex II 2 G Ex ia IIA T4 Gb </p> <p> ■ 原型試驗證書編號：INERI05ATEX0040 </p> <p> ■ DAkkS 認證報告 </p> <p> ■ 標配附件：卡爾文探針, 開爾文夾, **電池,保護套, 便攜箱 </p> <p> ■ 質(zhì)保：3 年內(nèi)（非人為原因）微電阻計測試原理：也稱為毫歐表或微歐計，其測試原理是通過電橋原理（也稱為開爾文原理）四線法測量的。海南毫歐表使用方法</p><p style="text-indent:25px">微電阻計，市場上通常稱為毫歐表或微歐計。廣西兆歐表和毫歐表</p><p> 毫bai歐表”是一種精密測量低電阻的數(shù)字式測量儀du器。主要zhi用于測量電纜的導線電阻，開關(guān)、接插件、dao繼電器的接觸電阻，線圈、電動機、變壓器繞組的電阻以及金屬鉚接電阻。微電阻計和萬用表的區(qū)別是輸出電流和量程范圍不同。我以“GY339毫歐表”為例，舉例說明，“毫歐表”如何選型，要注意一下幾點： </p> <p> 1.測量范圍: 0.001-2000Ω,分辨率：1uΩ. </p> <p> 2.采用“四端子”測試技術(shù)，消除接觸電阻和引線電阻引起的誤差. </p> <p> 3.交直流兩用，內(nèi)置鉛酸蓄電池供電，便攜式機箱。 </p> <p> <br /> 廣西兆歐表和毫歐表</p><p style="text-indent:25px">深圳市茂迪機電設(shè)備有限公司是一家一般經(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。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。茂迪作為一般經(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。的企業(yè)之一，為客戶提供良好的電能質(zhì)量分析儀，功率分析儀，亮度計，色差儀。茂迪始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。茂迪創(chuàng)始人秦學明，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: 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