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id="submenu_選頻電平表,電平振蕩器" style="display:none"> <ul class="two_profl"> <li><a href="/SonList-538071.html">手持?jǐn)?shù)字選頻電平表</a></li> </ul> </div> </li> <li> <a href="/ParentList-538074.html" onmouseover="showsubmenu('數(shù)字微安表')">數(shù)字微安表</a> <div class="hr7wowsgz" id="submenu_數(shù)字微安表" style="display:none"> <ul class="two_profl"> <li><a href="/SonList-538075.html">直流微安表</a></li> </ul> </div> </li> </ul> </div> </div> <div id="hr7wowsgz" class="nymiddlezty"> <div id="hr7wowsgz" class="mianbao">您現(xiàn)在的位置：<a href="/">首頁</a> > <a href="/news.html">新聞動態(tài)</a> > 大型地網(wǎng)接地電阻測試儀使用規(guī)范</div> <div id="hr7wowsgz" class="about_con"> <h1 class="newstit">大型地網(wǎng)接地電阻測試儀使用規(guī)范</h1> <div id="hr7wowsgz" class="newstime"> <span id="hr7wowsgz" class="skim"><em>瀏覽次數(shù)：</em>54</span><span id="hr7wowsgz" class="skimtim"><em>發(fā)布日期：</em>2025-03-05 </span> </div> <span style="background-color: rgb(253, 253, 254); color: rgb(6, 7, 31); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 15px;">大型地網(wǎng)接地電阻測試儀的使用規(guī)范主要包括以下幾個步驟和注意事項，以確保測試的準(zhǔn)確性和安全性：</span><h3 style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 14px 0px 8px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; color: rgb(5, 7, 59); font-size: 20px; border: none; line-height: 1.7; background-color: rgb(253, 253, 254);">一、使用前準(zhǔn)備</h3><ol style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style-position: outside; list-style-image: none; margin: 14px 0px 1em; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 15px; line-height: 1.7; color: rgb(6, 7, 31); background-color: rgb(253, 253, 254);"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">檢查儀器與測試線</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">使用萬用表檢查電流線、電壓線和地網(wǎng)線是否有斷路現(xiàn)象。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">確保電流測試線與電壓測試線的長度比為1:0.618，電流測試線的長度應(yīng)是地網(wǎng)對角線的3至5倍。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">檢查電流線銅芯截面積是否≥1.5平方毫米，電壓線銅芯截面積是否≥0.2平方毫米（或根據(jù)具體儀器要求確定）。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">準(zhǔn)備地樁</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">清除地樁上的鐵銹，確保地樁埋進(jìn)深度合適（一般大于0.5米）。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">檢查測試線與地樁的連接是否導(dǎo)通，如未導(dǎo)通，請?zhí)幚砗笾匦逻B接。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">連接測試線</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">將電流測試線和電壓測試線按規(guī)定長度的一端與儀器相接，另一端分別接在兩個地樁上。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">使用萬用表再次檢查測試線，確保無斷路現(xiàn)象。</li> </ul> </li></ol><h3 style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 14px 0px 8px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; color: rgb(5, 7, 59); font-size: 20px; border: none; line-height: 1.7; background-color: rgb(253, 253, 254);">二、測試操作</h3><ol style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style-position: outside; list-style-image: none; margin: 14px 0px 1em; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 15px; line-height: 1.7; color: rgb(6, 7, 31); background-color: rgb(253, 253, 254);"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">接通電源</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">檢查連線無誤后，給儀器接上AC220V/50Hz電源，對儀器進(jìn)行通電。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">開始測量</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">按照儀器說明書，選擇合適的測量方式和參數(shù)。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">按測量鍵，開始測量。測試過程中，液晶屏?xí)@示“正在測試，請等待……”等提示信息。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">記錄數(shù)據(jù)</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">儀器顯示測試結(jié)束后，記錄測試數(shù)據(jù)。部分儀器支持多次重復(fù)測量，以提高數(shù)據(jù)的準(zhǔn)確性。</li> </ul> </li></ol><h3 style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 14px 0px 8px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; color: rgb(5, 7, 59); font-size: 20px; border: none; line-height: 1.7; background-color: rgb(253, 253, 254);">三、測試后處理</h3><ol style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style-position: outside; list-style-image: none; margin: 14px 0px 1em; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 15px; line-height: 1.7; color: rgb(6, 7, 31); background-color: rgb(253, 253, 254);"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">關(guān)閉電源</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">關(guān)掉儀器電源后，拆除連線，整理好測試線和地樁。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">數(shù)據(jù)分析</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">對測試數(shù)據(jù)進(jìn)行分析，判斷接地電阻是否符合相關(guān)標(biāo)準(zhǔn)和要求。</li> </ul> </li></ol><h3 style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 14px 0px 8px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; color: rgb(5, 7, 59); font-size: 20px; border: none; line-height: 1.7; background-color: rgb(253, 253, 254);">四、注意事項</h3><ol style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style-position: outside; list-style-image: none; margin: 14px 0px 1em; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 15px; line-height: 1.7; color: rgb(6, 7, 31); background-color: rgb(253, 253, 254);"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">安全操作</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">在測試過程中，應(yīng)確保測試人員的人身安全，避免觸電等事故的發(fā)生。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">測試前應(yīng)斷開被測接地極與被保護(hù)的電氣設(shè)備的連接線，以防測試電流對設(shè)備造成影響。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">正確接線</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">確保測試線連接正確，避免接反或接觸不良導(dǎo)致測試數(shù)據(jù)不準(zhǔn)確。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">在三極法測量時，地網(wǎng)極測試線連接不同位置的地樁時，所測的地網(wǎng)阻值會產(chǎn)生變化。此時，應(yīng)將所測電阻值減去測試線增長部分的電阻值，即為實際阻值。四極法測量時，儀器會自動消除測試線長度變化引起的阻值變化。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">環(huán)境干擾</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">測試時應(yīng)盡量避免強電磁場干擾，以免影響測試結(jié)果的準(zhǔn)確性。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">部分儀器采用異頻法測量，配合現(xiàn)代軟硬件濾波技術(shù)，具有很高的抗干擾性能。在強干擾環(huán)境下，也能準(zhǔn)確測得工頻50Hz下的數(shù)據(jù)。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">儀器維護(hù)</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">定期對儀器進(jìn)行校準(zhǔn)和維護(hù)，確保儀器的準(zhǔn)確性和可靠性。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">如儀器出現(xiàn)故障，請聯(lián)系廠家售后服務(wù)部進(jìn)行維修，不要私自拆檢。</li> </ul> </li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: inherit; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"> <p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; line-height: 1.7; display: inline;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">數(shù)據(jù)存儲與打印</span></p> <ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style: outside none disc; margin: 14px 0px 0px -10px; scrollbar-width: none; line-height: 1.7;"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; line-height: 1.7; position: relative;">部分儀器支持存儲多組測試數(shù)據(jù)，方便后續(xù)分析和對比。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; line-height: 1.7; position: relative;">可通過熱敏打印機打印出測量數(shù)據(jù)，便于記錄和存檔。</li> </ul> </li></ol><h3 style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 14px 0px 8px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; color: rgb(5, 7, 59); font-size: 20px; border: none; line-height: 1.7; background-color: rgb(253, 253, 254);">五、典型儀器介紹</h3><p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 15px; line-height: 1.7; color: rgb(6, 7, 31); background-color: rgb(253, 253, 254);">以<span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-weight: 600;">泛克斯特MEDW-5A大型地網(wǎng)接地電阻測試儀</span>為例，該儀器采用了新型變頻交流電源、雙頻測量技術(shù)、超大可觸摸彩屏和微處理機技術(shù)，滿足二線、三線、四線測試阻抗要求。同時，它可以測量土壤電阻率、跨步電壓、分布電勢、接觸電壓、電流相角等參數(shù)，適用于電信、電力、氣象、機房、油田、電力配電線路、鐵塔輸電線路、加油站、工廠接地網(wǎng)、避雷針等多個領(lǐng)域。該儀器具有以下特點：</p><ul style="box-sizing: border-box; padding: 0px 0px 0px 30px; -webkit-font-smoothing: antialiased; list-style-position: outside; list-style-image: none; margin: 14px 0px 1em; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 15px; line-height: 1.7; color: rgb(6, 7, 31); background-color: rgb(253, 253, 254);"> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">測量范圍廣</span>：電阻測量范圍為0.000Ω至2000Ω。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">測量精度高</span>：基本誤差僅0.005Ω，可用來測量接地阻抗很小的大地網(wǎng)。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">抗干擾能力強</span>：采用異頻抗干擾技術(shù)，能在強干擾環(huán)境下準(zhǔn)確測得工頻50Hz下的數(shù)據(jù)。</li> <li style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 6px 0px 0px; scrollbar-width: none; font-family: PingFang-SC-Regular; line-height: 1.7; position: relative;"><span style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; list-style: none; margin: 0px; scrollbar-width: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif, "Apple Color Emoji", "Segoe UI Emoji" !important; font-weight: 600;">操作簡便</span>：全中文菜單式操作，直接顯示出測量結(jié)果，支持多次重復(fù)測量和數(shù)據(jù)存儲、打印功能。</li></ul><p id="" style="box-sizing: border-box; padding: 0px; -webkit-font-smoothing: antialiased; 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