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●低耗電、自動(dòng)延時(shí)5分鐘關(guān)機(jī)。用9V（6LR61,6F22）疊層電池供電。●電池電壓不足,有欠壓標(biāo)志符顯示。●體積小,重量輕,操作簡(jiǎn)捷,攜帶方便。</p> </div> <p><strong>型號(hào)：</strong>KD2571P</p> <p><strong>瀏覽量：</strong>1445</p> <p><strong>更新時(shí)間：</strong>2024-07-03</p> <p><strong>價(jià)格：</strong><a href="#order"><img src=/images/cankaojia.gif border=0></a></p> <a href="#tagContent1" class="gwc_an2 lightbox" style=" float:left;" rel="group1">在線留言</a> </div> <div class="pvhr3jx3r5" id="preview"> <div id="pvhr3jx3r5" class="jqzoom"><a target="_blank"><img id="bigImg" src="http://img74.chem17.com/gxhpic_3cd5e59743/5025b523e66012f47e693d3009da20fc04e94ba5d9b7c3d28daf1b2a13d5c3f54fa8a4a6e7ec0229_320_320_5.png" onload="AutoResizeImage(320,320,this)" jqimg="http://img74.chem17.com/5025b523e66012f47e693d3009da20fc04e94ba5d9b7c3d28daf1b2a13d5c3f54fa8a4a6e7ec0229.png" alt="接地電阻測(cè)量?jī)x"></a></div> </div> </div>  <div class="pvhr3jx3r5" id="ny_pro_box02"> <div class="pvhr3jx3r5" id="con"> <ul id="tags"> <li id="pvhr3jx3r5" class="selectTag"><a onmouseover="selectTag('tagContent0',this)" href="javascript:void(0)" onfocus="this.blur()">詳細(xì)介紹</a></li> </ul> <div class="pvhr3jx3r5" id="tagContent"> <div id="pvhr3jx3r5" class="tagContent selectTag" id="tagContent0" style="display: block;"><link type="text/css" rel="stylesheet" href="/css/property.css"> <script> window.onload=function(){ changeTableHeight(); } window.onresize=function(){ changeTableHeight(); } function changeTableHeight(){ $(".proshowParameter table th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> <tr><th>品牌</th><td>其他品牌</td><th>供貨周期</th><td>現(xiàn)貨</td></tr><tr><th>應(yīng)用領(lǐng)域</th><td>環(huán)保,地礦,電子,交通</td> <th></th><td></td></tr> </tbody> </table> </section><p> <strong>接地電阻測(cè)量?jī)x</strong></p><p><strong>KD2571P <strong>接地電阻測(cè)量?jī)x</strong></strong></p><p> </p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-spacing:0px; border:1px solid rgb(204, 204, 204); color:rgb(102, 102, 102); font-family:微軟雅黑; line-height:24px; list-style:none; margin:0px; padding:0px; width:709px"><tbody><tr><td style="height:14px; text-align:center; width:120px"><strong>測(cè)量功能</strong></td><td style="height:14px; text-align:center; width:186px"><strong>測(cè)量范圍</strong></td><td style="height:14px; text-align:center; width:174px"><strong>精度</strong></td><td style="height:14px; text-align:center; width:159px"><strong>分辨率</strong></td></tr><tr><td rowspan="4" style="height:14px; text-align:center; width:120px"><strong>接地電阻</strong><strong>(R)</strong></td><td style="height:14px; width:186px">0.00Ω～30.00Ω</td><td style="height:14px; width:174px">±2%rdg±5dgt (注1)</td><td style="height:14px; width:159px">0.01Ω</td></tr><tr><td style="height:14px; width:186px">30.0Ω～300.0Ω</td><td style="height:14px; width:174px">±2%rdg±3dgt</td><td style="height:14px; width:159px">0.1Ω</td></tr><tr><td style="height:14px; width:186px">300Ω～3000Ω</td><td style="height:14px; width:174px">±2%rdg±3dgt</td><td style="height:14px; width:159px">1Ω</td></tr><tr><td style="height:14px; width:186px">3.00kΩ～30.00kΩ</td><td style="height:14px; width:174px">±2%rdg±3dgt</td><td style="height:14px; width:159px">10Ω</td></tr><tr><td rowspan="6" style="height:14px; width:120px"><p><strong>土壤電</strong><strong>(</strong><strong>ρ)</strong></p></td><td style="height:14px; width:186px">0.00Ωm～99.99Ωm</td><td rowspan="6" style="height:14px; width:174px">ρ=2πaR (注2)</td><td style="height:14px; width:159px">0.01Ωm</td></tr><tr><td style="height:14px; width:186px">100.0Ωm～999.9Ωm</td><td style="height:14px; width:159px">0.1Ωm</td></tr><tr><td style="height:14px; width:186px">1000Ωm～9999Ωm</td><td style="height:14px; width:159px">1Ωm</td></tr><tr><td style="height:14px; width:186px">10.00kΩm～99.99kΩm</td><td style="height:14px; width:159px">10Ωm</td></tr><tr><td style="height:14px; width:186px">100.0kΩm～999.9kΩm</td><td style="height:14px; width:159px">100Ωm</td></tr><tr><td style="height:14px; width:186px">1000kΩm～9999kΩm</td><td style="height:14px; width:159px">1kΩm</td></tr><tr><td style="height:14px; text-align:center; width:120px"><strong>接地電壓</strong></td><td style="height:14px; width:186px">AC 0.00～600V</td><td style="height:14px; width:174px">±2%rdg±3dgt</td><td style="height:14px; width:159px">0.01V</td></tr></tbody></table><p><br /><span style="font-family:微軟雅黑">注：1. 基準(zhǔn)條件：Rh Rs<100Ω時(shí)的精度。</span><br /><span style="font-family:微軟雅黑">工作條件:Rh max＝3kΩ+100R＜50kΩ；Rs max＝3kΩ+100R＜50kΩ</span><br /><span style="font-family:微軟雅黑">2.取決于R的測(cè)量精度而定,π=3.14, a:1 m～100m；</span><br /><span style="font-family:微軟雅黑"> </span><br /><span style="font-family:微軟雅黑">2、一般規(guī)格</span></p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-image:none; border-spacing:0px; border:1px solid rgb(204, 204, 204); color:rgb(102, 102, 102); font-family:微軟雅黑; line-height:24px; list-style:none; margin:0px; padding:0px; width:709px"><tbody><tr><td style="height:40px; text-align:center; width:100px"><strong>功能</strong></td><td style="height:40px; width:505px">二三四線測(cè)量接地電阻、土壤電阻率；<br />接地電壓測(cè)量</td></tr><tr><td style="text-align:center; width:100px"><strong>環(huán)境溫度濕度</strong></td><td style="width:505px">23℃±5℃，75%rh以下</td></tr><tr><td style="text-align:center; width:100px"><strong>電源</strong></td><td style="width:505px">1.5V（LR14）堿性電池6節(jié)</td></tr><tr><td style="text-align:center; width:100px"><strong>干擾電壓</strong></td><td style="width:505px">＜20V（應(yīng)避免）</td></tr><tr><td style="text-align:center; width:100px"><strong>干擾電流</strong></td><td style="width:505px">＜2A（應(yīng)避免）</td></tr><tr><td style="text-align:center; width:100px"><strong>測(cè)R時(shí)電極間距</strong></td><td style="width:505px">a＞5d</td></tr><tr><td style="text-align:center; width:100px"><strong>測(cè)ρ時(shí)電極間距</strong></td><td style="width:505px">a＞20h</td></tr><tr><td style="text-align:center; width:100px"><strong>輔助接地電阻值</strong></td><td style="width:505px">基準(zhǔn)條件＜100Ω,工作條件＜5kΩ</td></tr><tr><td rowspan="3" style="text-align:center; width:100px"><strong>量程</strong></td><td style="width:505px">接地電阻：0.00Ω～30.00kΩ</td></tr><tr><td style="height:11px; width:505px">土壤電阻率：0.00Ωm～9999kΩm</td></tr><tr><td style="height:10px; width:505px">接地電壓：0.00V～600V</td></tr><tr><td style="text-align:center; width:100px"><strong>測(cè)量方式</strong></td><td style="width:505px">精密4線、3線法測(cè)量、簡(jiǎn)易2線測(cè)量接地電阻</td></tr><tr><td style="text-align:center; width:100px"><strong>測(cè)量方法</strong></td><td style="width:505px">接地電阻：額定電流變極法，測(cè)量電流20mA Max<br />土壤電阻率：四極法<br />接地電壓：平均值整流(S-ES接口間）</td></tr><tr><td style="text-align:center; width:100px"><strong>測(cè)試頻率</strong></td><td style="width:505px">128Hz</td></tr><tr><td style="text-align:center; width:100px"><strong>短路測(cè)試電流</strong></td><td style="width:505px">AC 20mA max</td></tr><tr><td style="text-align:center; width:100px"><strong>開路測(cè)試電壓</strong></td><td style="width:505px">AC 28V max</td></tr><tr><td style="text-align:center; width:100px"><strong>測(cè)試電壓波形</strong></td><td style="width:505px">正弦波</td></tr><tr><td style="text-align:center; width:100px"><strong>電極間距范圍</strong></td><td style="width:505px">可設(shè)定1m～100m</td></tr><tr><td rowspan="2" style="text-align:center; width:100px"><strong>換檔</strong></td><td style="width:505px">接地電阻：0.00Ω～30.00kΩ全自動(dòng)換檔</td></tr><tr><td style="width:505px">土壤電阻率：0.00Ωm～9999kΩm全自動(dòng)換檔</td></tr><tr><td style="text-align:center; width:100px"><strong>背光</strong></td><td style="width:505px">可控灰白色背光，適合昏暗場(chǎng)所使用</td></tr><tr><td style="text-align:center; width:100px"><strong>顯示模式</strong></td><td style="width:505px">4位超大LCD顯示，灰白色背光</td></tr><tr><td style="text-align:center; width:100px"><strong>測(cè)量指示</strong></td><td style="width:505px">測(cè)量中LED閃爍</td></tr><tr><td style="text-align:center; width:100px"><strong>LCD</strong><strong>顯示域</strong></td><td style="width:505px">108mm×65mm</td></tr><tr><td style="text-align:center; width:100px"><strong>儀表尺寸</strong></td><td style="width:505px">240mm (長(zhǎng))×188mm (寬)×85mm (高)</td></tr><tr><td style="text-align:center; width:100px"><strong>標(biāo)準(zhǔn)測(cè)試線</strong></td><td style="width:505px">4條：紅色15m，黑色15m，黃色10m，綠色10m各1條</td></tr><tr><td style="text-align:center; width:100px"><strong>簡(jiǎn)易測(cè)試線</strong></td><td style="width:505px">2條：黃色1.5m，綠色1.5m各1條</td></tr><tr><td style="text-align:center; width:100px"><strong>輔助接地棒</strong></td><td style="width:505px">4根</td></tr><tr><td rowspan="2" style="text-align:center; width:100px"><strong>測(cè)量時(shí)間</strong></td><td style="width:505px">對(duì)地電壓：約2次/秒</td></tr><tr><td style="width:505px">接地電阻、土壤電阻率：約7秒/次</td></tr><tr><td style="text-align:center; width:100px"><strong>接地電壓</strong></td><td style="width:505px">AC 600V以下測(cè)量 (接地電壓測(cè)量功能不能用于測(cè)量商用電)</td></tr><tr><td style="text-align:center; width:100px"><strong>數(shù)據(jù)存儲(chǔ)</strong></td><td style="width:505px">500組，“MEM”存儲(chǔ)指示，顯示“FULL”符號(hào)表示存儲(chǔ)已滿</td></tr><tr><td style="text-align:center; width:100px"><strong>數(shù)據(jù)保持</strong></td><td style="width:505px">保持?jǐn)?shù)據(jù)時(shí)“HOLD”符號(hào)指示</td></tr><tr><td style="text-align:center; width:100px"><strong>數(shù)據(jù)查閱</strong></td><td style="width:505px">查閱數(shù)據(jù)時(shí)“READ”符號(hào)指示</td></tr><tr><td style="text-align:center; width:100px"><strong>溢出顯示</strong></td><td style="width:505px">超量程溢出時(shí)“OL”符號(hào)指示</td></tr><tr><td style="text-align:center; width:100px"><strong>報(bào)警功能</strong></td><td style="width:505px">測(cè)量值超過報(bào)警設(shè)定值時(shí)發(fā)出報(bào)警提示</td></tr><tr><td style="text-align:center; width:100px"><strong>電池電壓</strong></td><td style="width:505px">電池電量實(shí)時(shí)顯示，電池電壓低時(shí)及時(shí)更換電池</td></tr><tr><td style="text-align:center; width:100px"><strong>自動(dòng)關(guān)機(jī)</strong></td><td style="width:505px">“APO”指示，開機(jī)15分鐘后自動(dòng)關(guān)機(jī)</td></tr><tr><td rowspan="3" style="text-align:center; width:100px"><strong>功耗</strong></td><td style="width:505px">待機(jī): 40mA Max(背光關(guān)閉)</td></tr><tr><td style="width:505px">開機(jī)開背光: 43mA Max</td></tr><tr><td style="width:505px">測(cè)量：120mA Max(背光關(guān)閉)</td></tr><tr><td rowspan="3" style="height:19px; text-align:center; width:100px"><strong>質(zhì) 量</strong></td><td style="height:19px; width:505px">儀表： 1280g(含電池)</td></tr><tr><td style="width:505px">測(cè)試線：890g(含簡(jiǎn)易測(cè)試線)</td></tr><tr><td style="width:505px">輔助接地棒：720g(4根)</td></tr><tr><td style="text-align:center; width:100px"><strong>工作溫濕度</strong></td><td style="width:505px">-10℃～40℃；80%rh以下</td></tr><tr><td style="text-align:center; width:100px"><strong>存放溫濕度</strong></td><td style="width:505px">-20℃～60℃；70%rh以下</td></tr><tr><td style="text-align:center; width:100px"><strong>過載保護(hù)</strong></td><td style="width:505px">測(cè)量接地電阻：H-E、S-ES各端口間AC 280V/3秒</td></tr><tr><td style="text-align:center; width:100px"><strong>絕緣電阻</strong></td><td style="width:505px">20MΩ以上(電路與外殼之間500V)</td></tr><tr><td style="text-align:center; width:100px"><strong>耐壓</strong></td><td style="width:505px">AC 3700V/rms(電路與外殼之間)</td></tr><tr><td style="text-align:center; width:100px"><strong>電磁特性</strong></td><td style="width:505px">IEC61326(EMC)</td></tr><tr><td style="text-align:center; width:100px"><strong>適合安規(guī)</strong></td><td style="width:505px">IEC61010-1(CAT Ⅲ 300V、CAT IV 150V、污染度2)；<br />IEC61010-031；<br />IEC61557-1(接地電阻)；<br />IEC61557-5(土壤電阻率)；<br />JJG 366-2004。<br /> </td></tr></tbody></table><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-image:none; border-spacing:0px; border:1px solid rgb(204, 204, 204); color:rgb(102, 102, 102); font-family:微軟雅黑; line-height:24px; list-style:none; margin:0px; padding:0px; width:709px"><tbody><tr><td style="height:14px; text-align:center; width:120px"><strong>測(cè)量功能</strong></td><td style="height:14px; text-align:center; width:186px"><strong>測(cè)量范圍</strong></td><td style="height:14px; text-align:center; width:174px"><strong>精度</strong></td><td style="height:14px; text-align:center; width:159px"><strong>分辨率</strong></td></tr><tr><td rowspan="4" style="height:14px; text-align:center; width:120px"><strong>接地電阻</strong><strong>(R)</strong></td><td style="height:14px; width:186px">0.00Ω～30.00Ω</td><td style="height:14px; width:174px">±2%rdg±5dgt (注1)</td><td style="height:14px; width:159px">0.01Ω</td></tr><tr><td style="height:14px; width:186px">30.0Ω～300.0Ω</td><td style="height:14px; width:174px">±2%rdg±3dgt</td><td style="height:14px; width:159px">0.1Ω</td></tr><tr><td style="height:14px; width:186px">300Ω～3000Ω</td><td style="height:14px; width:174px">±2%rdg±3dgt</td><td style="height:14px; width:159px">1Ω</td></tr><tr><td style="height:14px; width:186px">3.00kΩ～30.00kΩ</td><td style="height:14px; width:174px">±2%rdg±3dgt</td><td style="height:14px; width:159px">10Ω</td></tr><tr><td rowspan="6" style="height:14px; width:120px"><p><strong>土壤電</strong><strong>(</strong><strong>ρ)</strong></p></td><td style="height:14px; width:186px">0.00Ωm～99.99Ωm</td><td rowspan="6" style="height:14px; width:174px">ρ=2πaR (注2)</td><td style="height:14px; width:159px">0.01Ωm</td></tr><tr><td style="height:14px; width:186px">100.0Ωm～999.9Ωm</td><td style="height:14px; width:159px">0.1Ωm</td></tr><tr><td style="height:14px; width:186px">1000Ωm～9999Ωm</td><td style="height:14px; width:159px">1Ωm</td></tr><tr><td style="height:14px; width:186px">10.00kΩm～99.99kΩm</td><td style="height:14px; width:159px">10Ωm</td></tr><tr><td style="height:14px; width:186px">100.0kΩm～999.9kΩm</td><td style="height:14px; width:159px">100Ωm</td></tr><tr><td style="height:14px; width:186px">1000kΩm～9999kΩm</td><td style="height:14px; width:159px">1kΩm</td></tr><tr><td style="height:14px; text-align:center; width:120px"><strong>接地電壓</strong></td><td style="height:14px; width:186px">AC 0.00～600V</td><td style="height:14px; width:174px">±2%rdg±3dgt</td><td style="height:14px; width:159px">0.01V</td></tr></tbody></table><p><br /><span style="font-family:微軟雅黑">注：1. 基準(zhǔn)條件：Rh Rs<100Ω時(shí)的精度。</span><br /><span style="font-family:微軟雅黑">工作條件:Rh max＝3kΩ+100R＜50kΩ；Rs max＝3kΩ+100R＜50kΩ</span><br /><span style="font-family:微軟雅黑">2.取決于R的測(cè)量精度而定,π=3.14, a:1 m～100m；</span><br /><span style="font-family:微軟雅黑"> </span><br /><span style="font-family:微軟雅黑">2、一般規(guī)格</span></p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-image:none; border-spacing:0px; border:1px solid rgb(204, 204, 204); color:rgb(102, 102, 102); font-family:微軟雅黑; line-height:24px; list-style:none; margin:0px; padding:0px; width:709px"><tbody><tr><td style="height:40px; text-align:center; width:100px">功能</td><td style="height:40px; width:505px">二三四線測(cè)量接地電阻、土壤電阻率；<br />接地電壓測(cè)量</td></tr><tr><td style="text-align:center; width:100px">環(huán)境溫度濕度</td><td style="width:505px">23℃±5℃，75%rh以下</td></tr><tr><td style="text-align:center; width:100px">電源</td><td style="width:505px">1.5V（LR14）堿性電池6節(jié)</td></tr><tr><td style="text-align:center; width:100px">干擾電壓</td><td style="width:505px">＜20V（應(yīng)避免）</td></tr><tr><td style="text-align:center; width:100px">干擾電流</td><td style="width:505px">＜2A（應(yīng)避免）</td></tr><tr><td style="text-align:center; width:100px">測(cè)R時(shí)電極間距</td><td style="width:505px">a＞5d</td></tr><tr><td style="text-align:center; width:100px">測(cè)ρ時(shí)電極間距</td><td style="width:505px">a＞20h</td></tr><tr><td style="text-align:center; width:100px">輔助接地電阻值</td><td style="width:505px">基準(zhǔn)條件＜100Ω,工作條件＜5kΩ</td></tr><tr><td rowspan="3" style="text-align:center; width:100px">量程</td><td style="width:505px">接地電阻：0.00Ω～30.00kΩ</td></tr><tr><td style="height:11px; width:505px">土壤電阻率：0.00Ωm～9999kΩm</td></tr><tr><td style="height:10px; width:505px">接地電壓：0.00V～600V</td></tr><tr><td style="text-align:center; width:100px">測(cè)量方式</td><td style="width:505px">精密4線、3線法測(cè)量、簡(jiǎn)易2線測(cè)量接地電阻</td></tr><tr><td style="text-align:center; width:100px">測(cè)量方法</td><td style="width:505px">接地電阻：額定電流變極法，測(cè)量電流20mA Max<br />土壤電阻率：四極法<br />接地電壓：平均值整流(S-ES接口間）</td></tr><tr><td style="text-align:center; width:100px">測(cè)試頻率</td><td style="width:505px">128Hz</td></tr><tr><td style="text-align:center; width:100px">短路測(cè)試電流</td><td style="width:505px">AC 20mA max</td></tr><tr><td style="text-align:center; width:100px">開路測(cè)試電壓</td><td style="width:505px">AC 28V max</td></tr><tr><td style="text-align:center; width:100px">測(cè)試電壓波形</td><td style="width:505px">正弦波</td></tr><tr><td style="text-align:center; width:100px">電極間距范圍</td><td style="width:505px">可設(shè)定1m～100m</td></tr><tr><td rowspan="2" style="text-align:center; width:100px">換檔</td><td style="width:505px">接地電阻：0.00Ω～30.00kΩ全自動(dòng)換檔</td></tr><tr><td style="width:505px">土壤電阻率：0.00Ωm～9999kΩm全自動(dòng)換檔</td></tr><tr><td style="text-align:center; width:100px">背光</td><td style="width:505px">可控灰白色背光，適合昏暗場(chǎng)所使用</td></tr><tr><td style="text-align:center; width:100px">顯示模式</td><td style="width:505px">4位超大LCD顯示，灰白色背光</td></tr><tr><td style="text-align:center; width:100px">測(cè)量指示</td><td style="width:505px">測(cè)量中LED閃爍</td></tr><tr><td style="text-align:center; width:100px">LCD顯示域</td><td style="width:505px">108mm×65mm</td></tr><tr><td style="text-align:center; width:100px">儀表尺寸</td><td style="width:505px">240mm (長(zhǎng))×188mm (寬)×85mm (高)</td></tr><tr><td style="text-align:center; width:100px">標(biāo)準(zhǔn)測(cè)試線</td><td style="width:505px">4條：紅色15m，黑色15m，黃色10m，綠色10m各1條</td></tr><tr><td style="text-align:center; width:100px">簡(jiǎn)易測(cè)試線</td><td style="width:505px">2條：黃色1.5m，綠色1.5m各1條</td></tr><tr><td style="text-align:center; width:100px">輔助接地棒</td><td style="width:505px">4根</td></tr><tr><td rowspan="2" style="text-align:center; width:100px">測(cè)量時(shí)間</td><td style="width:505px">對(duì)地電壓：約2次/秒</td></tr><tr><td style="width:505px">接地電阻、土壤電阻率：約7秒/次</td></tr><tr><td style="text-align:center; width:100px">接地電壓</td><td style="width:505px">AC 600V以下測(cè)量 (接地電壓測(cè)量功能不能用于測(cè)量商用電)</td></tr><tr><td style="text-align:center; width:100px">數(shù)據(jù)存儲(chǔ)</td><td style="width:505px">500組，“MEM”存儲(chǔ)指示，顯示“FULL”符號(hào)表示存儲(chǔ)已滿</td></tr><tr><td style="text-align:center; width:100px">數(shù)據(jù)保持</td><td style="width:505px">保持?jǐn)?shù)據(jù)時(shí)“HOLD”符號(hào)指示</td></tr><tr><td style="text-align:center; width:100px">數(shù)據(jù)查閱</td><td style="width:505px">查閱數(shù)據(jù)時(shí)“READ”符號(hào)指示</td></tr><tr><td style="text-align:center; width:100px">溢出顯示</td><td style="width:505px">超量程溢出時(shí)“OL”符號(hào)指示</td></tr><tr><td style="text-align:center; width:100px">報(bào)警功能</td><td style="width:505px">測(cè)量值超過報(bào)警設(shè)定值時(shí)發(fā)出報(bào)警提示</td></tr><tr><td style="text-align:center; width:100px">電池電壓</td><td style="width:505px">電池電量實(shí)時(shí)顯示，電池電壓低時(shí)及時(shí)更換電池</td></tr><tr><td style="text-align:center; width:100px">自動(dòng)關(guān)機(jī)</td><td style="width:505px">“APO”指示，開機(jī)15分鐘后自動(dòng)關(guān)機(jī)</td></tr><tr><td rowspan="3" style="text-align:center; width:100px">功耗</td><td style="width:505px">待機(jī): 40mA Max(背光關(guān)閉)</td></tr><tr><td style="width:505px">開機(jī)開背光: 43mA Max</td></tr><tr><td style="width:505px">測(cè)量：120mA Max(背光關(guān)閉)</td></tr><tr><td rowspan="3" style="height:19px; text-align:center; width:100px">質(zhì) 量</td><td style="height:19px; width:505px">儀表： 1280g(含電池)</td></tr><tr><td style="width:505px">測(cè)試線：890g(含簡(jiǎn)易測(cè)試線)</td></tr><tr><td style="width:505px">輔助接地棒：720g(4根)</td></tr><tr><td style="text-align:center; width:100px">工作溫濕度</td><td style="width:505px">-10℃～40℃；80%rh以下</td></tr><tr><td style="text-align:center; width:100px">存放溫濕度</td><td style="width:505px">-20℃～60℃；70%rh以下</td></tr><tr><td style="text-align:center; width:100px">過載保護(hù)</td><td style="width:505px">測(cè)量接地電阻：H-E、S-ES各端口間AC 280V/3秒</td></tr><tr><td style="text-align:center; width:100px">絕緣電阻</td><td style="width:505px">20MΩ以上(電路與外殼之間500V)</td></tr><tr><td style="text-align:center; width:100px">耐壓</td><td style="width:505px">AC 3700V/rms(電路與外殼之間)</td></tr><tr><td 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