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</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="sscmegika" 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="sscmegika" class="nymiddlezty"> <div id="sscmegika" class="mianbao">您現(xiàn)在的位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > 雙鉗多功能接地電阻測(cè)試儀量程及精度介紹</div> <div id="sscmegika" class="about_con"> <h1 class="newstit">雙鉗多功能接地電阻測(cè)試儀量程及精度介紹</h1> <div id="sscmegika" class="newstime"> <span id="sscmegika" class="skim"><em>瀏覽次數(shù)：</em>818</span><span id="sscmegika" class="skimtim"><em>發(fā)布日期：</em>2022-05-23 </span> </div> 雙鉗多功能接地電阻測(cè)試儀又叫雙鉗接地電阻測(cè)試儀。其集合多種測(cè)量方法于一體的上等接地電阻測(cè)試儀，該儀表除了具有傳統(tǒng)打輔助地極測(cè)接地電阻的功能外，還具備了無(wú)輔助地極測(cè)量的*功能。它采用了超大LCD灰白屏背光顯示和微處理機(jī)技術(shù)，通過(guò)微處理器控制精密4線法、3線法和簡(jiǎn)易2線法、選擇法、雙鉗法測(cè)量接地電阻測(cè)試。采用大口徑電流鉗設(shè)計(jì)，利用雙鉗口測(cè)量技術(shù)，無(wú)需打輔助地極、無(wú)需將接地體與設(shè)備隔離，實(shí)現(xiàn)了在線測(cè)量。廣泛應(yīng)用于電信、電力、氣象、機(jī)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。儀表具有測(cè)試精準(zhǔn)、快速、簡(jiǎn)捷、穩(wěn)定可靠等特點(diǎn)。<p style="margin-top: 5px; margin-bottom: 5px;">雙鉗多功能接地電阻測(cè)試儀由微處理器控制，可精準(zhǔn)檢測(cè)接地電阻、土壤電阻率、接地電壓、直流電阻和交流電流。其使用了快速濾波技術(shù)可將干擾減至*小。同屏顯示輔助電極的電阻值，方便判斷由于環(huán)境因素帶來(lái)的測(cè)量誤差，便于更準(zhǔn)確測(cè)量接地真實(shí)阻值。同時(shí)存儲(chǔ)500組數(shù)據(jù)，可通過(guò)監(jiān)測(cè)軟件在線監(jiān)測(cè)數(shù)據(jù)，USB數(shù)據(jù)上傳PC并具有數(shù)值保持及智能報(bào)警提示等*功能。</p><p style="margin-top: 5px; margin-bottom: 5px;">ES3002雙鉗多功能接地電阻測(cè)試儀由主機(jī)、監(jiān)控軟件、測(cè)試線、USB線、接地針組成，具有歷史數(shù)據(jù)讀取、查閱、保存、報(bào)表、打印等功能。</p><p style="margin-top: 5px; margin-bottom: 5px;"> </p><p style="margin-top: 5px; margin-bottom: 5px; text-align: center;"><img src="https://img65.afzhan.com/9/20220523/637888960283681511277.png" title="~WF$@28POSLBS.png" alt="~WF$@28POSLBS.png" data-bd-imgshare-binded="1" _src="https://img65.afzhan.com/9/20220523/637888960283681511277.png" style="margin: 0px; padding: 0px; max-width: 800px; max-height: 300%;" /></p><p style="margin-top: 5px; margin-bottom: 5px;"> </p><p style="margin-top: 5px; margin-bottom: 5px;">雙鉗多功能接地電阻測(cè)試儀量程及精度</p><p style="margin-top: 5px; margin-bottom: 5px;"> </p><div id="sscmegika" class="tabledivclass" style="font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; margin: 0px; padding: 0px; list-style: none; border: 0px; width: 740.516px; height: 561px;"><table border="1" cellspacing="0" align="left" width="730" style="margin-bottom: 10px; border-collapse: collapse; max-width: 748px;"> <tbody> <tr class="firstRow"> <td width="270" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">測(cè)量功能</p> </td> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">測(cè)量范圍</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">精度</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">分辨率</p> </td> </tr> <tr> <td rowspan="4" width="270" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">二三四線法測(cè)量接地電阻(Re)</p> </td> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.00Ω～29.99Ω</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±5dgt(注1)</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.01Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">30.0Ω～299.9Ω</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.1Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">300Ω～2999Ω</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">3.00kΩ～30.00kΩ</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">10Ω</p> </td> </tr> <tr> <td rowspan="3" width="270" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">直流電阻(R—)</p> </td> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.0Ω～299.9Ω</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.1Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">300Ω～2999Ω</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">3.00kΩ～30.00kΩ</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">10Ω</p> </td> </tr> <tr> <td rowspan="3" width="270" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">選擇法測(cè)量接地電阻(Re)</p> </td> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.00Ω～29.99Ω</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±5dgt(注1)</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.01Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">30.0Ω～299.9Ω</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.1Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">300Ω～3000Ω</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1Ω</p> </td> </tr> <tr> <td rowspan="3" width="270" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">雙鉗法測(cè)量接地電阻(Re)</p> </td> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.01Ω～0.99Ω</p> </td> <td rowspan="3" width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±10%rdg±10dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.01Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1.0Ω～9.9Ω</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.1Ω</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">10Ω～100Ω</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1Ω</p> </td> </tr> <tr> <td rowspan="6" width="270" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">土壤電阻率(ρ)</p> </td> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.00Ωm～99.99Ωm</p> </td> <td rowspan="6" width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">ρ=2πaR (注2)</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.01Ωm</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">100.0Ωm～999.9Ωm</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.1Ωm</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1000Ωm～9999Ωm</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1Ωm</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">10.00kΩm～99.99kΩm</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">10Ωm</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">100.0kΩm～999.9kΩm</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">100Ωm</p> </td> </tr> <tr> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1000kΩm～9999kΩm</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">1kΩm</p> </td> </tr> <tr> <td width="270" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">接地電壓</p> </td> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">AC 0.00～100.0V</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.01V</p> </td> </tr> <tr> <td width="270" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">交流電流</p> </td> <td width="213" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">AC 0.0mA～1000A</p> </td> <td width="171" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">±2%rdg±3dgt</p> </td> <td width="75" style="padding: 0px; line-height: 24px; border-width: 1px; border-color: rgb(128, 128, 128);"> <p style="padding: 0px;">0.1mA</p> </td> </tr> </tbody></table></div><p style="margin-top: 5px; margin-bottom: 5px;">注：</p><p style="margin-top: 5px; margin-bottom: 5px;">1. 基準(zhǔn)條件：Rh Rs<100Ω時(shí)的精度。工作條件:Rh max＝3kΩ+100R＜50kΩ；Rs max＝3kΩ+100R＜50kΩ</p><p style="margin-top: 5px; margin-bottom: 5px;">2.取決于R的測(cè)量精度而定,π=3.14, a:1 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