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<div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="nybanner"><img src="/skins/106676/images/nybanner.jpg"></div> <script src="http://www.chem17.com/mystat.aspx?u=mbdzkj"></script>  <div id="iqaqewgi6e" class="ncontent w_1100"> <div id="iqaqewgi6e" class="h-6">技術(shù)文章<span>您當前的位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 電阻測試儀的使用方法以及注意事項</span></div>  <div id="iqaqewgi6e" class="n-3 c-news"> <div id="iqaqewgi6e" class="newsnr"> <h1>電阻測試儀的使用方法以及注意事項</h1> <p class="source"><span>日期：2023-05-19</span><span>瀏覽：1447次</span></p> <div> <p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><strong><span style="font-size: 16px;"> 電阻測試儀的使用方法以及注意事項</span></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">電阻測試儀，是測量物體導電性的一種儀器，電阻測試儀被廣泛的應(yīng)用于電氣安全檢查與接地工程竣工驗等場合。電阻測試儀的種類比較多，包括接地電阻測試儀、絕緣電阻測試儀、直流電阻測量儀、表面電阻測試儀以及回路電阻測試儀。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); text-align: center; clear: none !important;"><img alt="KD9110f.png" src="https://img64.chem17.com/9/20230519/638200766166707078466.png" style="border: 0px; max-width: 830px; margin: 4px 0px; width: 440px; height: 465px;" width="440" height="465" border="0" vspace="0" title="KD9110f.png"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); text-align: center; clear: none !important;"><span style="font-size: 16px;">電阻測試儀</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;"><strong>電阻測試儀使用方法</strong></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">接地電阻測試儀是指埋入地下的接地體電阻和土壤散流電阻，通常采用型接地電阻測量儀(或稱接地電阻搖表)進行測量。型測量儀其外形與普通絕緣搖表差不多，也就按習慣稱為接地電阻搖表。型搖表的外形結(jié)構(gòu)隨型號的不同稍有變化，但使用方法基本相同。型接地電阻測量儀隨表附帶接地探測棒兩支、導線三根。使用方法和測量步驟如下：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">1、拆開接地干線與接地體的連接點，或拆開接地干線上所有接地支線的連接點。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">2、將兩根接地棒分別插入地面400mm深，一根離接地體40m遠，另一根離接地體20m遠。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">3、把搖表置于接地體近旁平整的地方，然后進行接線。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">(1)用一根連接線連接表上接線樁E和接地裝置的接地體E′。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">(2)用一根連接線連接表上接線樁C和離接地體40m遠的的接地棒C′。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">(3)用一根連接線連接表上接線樁P和離接地體20m遠的接地棒P′。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">4、根據(jù)被測接地體的接地電阻要求，調(diào)節(jié)好粗調(diào)旋鈕(上有三檔可調(diào)范圍)。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">5、以約120轉(zhuǎn)/分鐘的速度均勻地搖動搖表。當表針偏轉(zhuǎn)時，隨即調(diào)節(jié)微調(diào)撥盤，直至表針居中為止。以微調(diào)撥盤調(diào)定后的讀數(shù)，去乘以粗調(diào)定位倍數(shù)，即是被測接地體的接地電阻。例如微調(diào)讀數(shù)為0.6，粗調(diào)的電阻定位倍數(shù)是10，則被測的接地電阻是6Ω。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">6、為了保證所測接地電阻值的可靠，應(yīng)改變方位重新進行復測。取幾次測得值的平均值作為接地體的接地電阻。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;"><strong>電阻測試儀</strong><strong>注意事項</strong></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">1<strong>、</strong><strong>直流電阻測試儀的注意事項</strong></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">在測量過程中，除要嚴格遵守電氣安全規(guī)程和設(shè)備試驗規(guī)程外，還要特別注意：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">1)在線圈溫度穩(wěn)定的情況下進行測量，要求變壓器油箱上、下部的溫度之差不超過3℃;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">2)由于變壓器線圈存有電感，測量時的充電電流不太穩(wěn)定，一定要在電流穩(wěn)定后再計數(shù)，必要時需采取縮短充電時間的措施;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">3)盡量減少試驗回路中的導線接觸電阻，運行中的變壓器分接頭常受油膜等污物的影響使其接觸不良，一般需切換數(shù)次后再測量，以免造成判別錯誤;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">4)測量變壓器直流電阻測試儀低壓側(cè)時，所有人員應(yīng)與高壓側(cè)保持適當安全距離;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">5)儀器在運輸、儲存及工作中應(yīng)避免強烈震動、陽光直射和磁場的影響，存放保管儀器時，應(yīng)注意環(huán)境溫度和濕度，應(yīng)放在干燥、通風、無腐蝕氣體的地方為宜，不得受潮、雨淋、暴曬，使用時輕拿、輕放，不得跌落。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;"><strong>2、接地電阻測試儀測量注意事項</strong></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">(1)在測量時，應(yīng)將接地裝置線路與被保護的設(shè)備斷開，以確保測量準確。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">(2)若測量探測針附近有與被測接地極相連的金屬管道或電纜時，則整個測量區(qū)域的電位將產(chǎn)生一定的均衡作用，影響到測量結(jié)果。此時，電流探測針C與上述金屬管道或電纜的距離應(yīng)大于100m，電位探測針P′與上述金屬管道或電纜的距離應(yīng)大于50m，如果金屬管道或電纜與接地回路無連接，則上述距離可減小1/2～2/3。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">(3)當檢流計靈敏度過高時，可將電位探測針P′插入土中淺一些;當檢流計靈敏度不足時，可將電位探測針P′和電流探測針C′間的土注水濕潤。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">(4)當接地極E，和電流探測針C′間的距離大于20m時，電位探測針P′的位置可插在離E′、C′之間直線外，此時測量誤差可以不計;當接地極E′和電流探測針C′間的距離小于20m時，則應(yīng)將電位探測針P′插于E′和C′的直線間。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 20px 0px 0px; font-family: "Microsoft YaHei", SimSun, Arial; line-height: 1.8; font-size: 15px; text-indent: 30px; white-space: normal; color: rgb(40, 40, 40); background-color: rgb(255, 255, 255); clear: none !important;"><span style="font-size: 16px;">通過以上的內(nèi)容，大家已經(jīng)了解了電阻測試儀的使用方法了，在使用電阻測試儀的時候，就可以按照上面的方法去操作了，同時還需要遵循一定的使用要求。</span></p><p><br/></p> <div id="iqaqewgi6e" class="clear"></div> </div> <div id="iqaqewgi6e" class="article"> <p>上一篇：<a href="/Article-3360438.html">雙鉗多功能接地電阻測試儀講解</a></p> <p>下一篇：<a href="/Article-3360430.html">接觸電阻測試儀的正確使用方式是什么？</a></p> </div> <div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="n-9"> <div id="iqaqewgi6e" class="c-right"> <div id="iqaqewgi6e" class="c-1 r-pro"> <div id="iqaqewgi6e" class="c-left"> <div id="iqaqewgi6e" class="h-2"><a href="/products.html">產(chǎn)品分類</a></div> <ul> <li><a href="/ParentList-1388067.html" onmouseover="showsubmenu('大電流發(fā)生器')" class="yj">大電流發(fā)生器</a> <div class="iqaqewgi6e" id="submenu_大電流發(fā)生器" style="display:none"> <ul> </ul> </div> </li> <li><a href="/ParentList-1384344.html" onmouseover="showsubmenu('LCR數(shù)字電橋')" class="yj">LCR數(shù)字電橋</a> <div 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