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<tr><th>品牌</th><td>其他品牌</td><th>產(chǎn)地類別</th><td>國產(chǎn)</td></tr><tr><th>應(yīng)用領(lǐng)域</th><td>化工,石油,地礦,能源,電子</td> <th></th><td></td></tr> </tbody> </table> </section><p>LK7305接地電阻測試儀是用來測量電氣設(shè)備內(nèi)部的接地電阻，它所反映的是電氣設(shè)備的各處外露可導(dǎo)部分與電氣設(shè)備的總接地端子之間的（接觸）電阻。接地電阻測試儀為了消除接觸電阻對測試的影響，采用四端測量法，即在被測電器的外露可導(dǎo)部分和總接地端子之間加上電流，然后再測量這兩端的電壓，算出其電阻值。 ■ 本產(chǎn)品滿足GB4706.1-2005、GB9706.1-2007等國內(nèi)外安規(guī)標(biāo)準(zhǔn)測試，符合JJG984-</p><p> </p><p><span style="font-family:microsoft yahei,arial,sans-serif; font-size:13.3333px">■ 測試電流、測試電阻、測試時(shí)間同時(shí)顯示</span><br /><span style="font-family:microsoft yahei,arial,sans-serif; font-size:13.3333px">■ 測試時(shí)間可任意設(shè)置</span><br /><span style="font-family:microsoft yahei,arial,sans-serif; font-size:13.3333px">■ 測試報(bào)警值可連續(xù)任意設(shè)置</span><br /><span style="font-family:microsoft yahei,arial,sans-serif; font-size:13.3333px">■ 聲光報(bào)警 </span></p><table border="0" style="border-collapse:collapse; border-spacing:0px; box-sizing:border-box; font-family:microsoft yahei,arial,sans-serif; table-layout:inherit; width:100%"><tbody><tr><td rowspan="2"> </td><td><p><img alt="" src="http://www.czlgdz.com/ckfinder/userfiles/images/20103594226389.jpg" style="height:162px; width:300px" /></p><p>LK2678BX</p></td></tr><tr><td> </td></tr><tr><td colspan="2">技術(shù)指標(biāo)</td></tr><tr><td><table border="1" cellpadding="0" cellspacing="0" style="background-color:transparent; border-collapse:collapse; border-spacing:0px; box-sizing:border-box; height:177px; table-layout:inherit; width:100%"><tbody><tr><td><p>型號(hào)</p></td><td><p>LK2678BX</p></td><td><p>LK2678</p></td></tr><tr><td><p>輸出電流</p></td><td><p>5～30A ±(5%±5counts)</p></td><td><p>10～50A ±(5%±5counts)</p></td></tr><tr><td><p>接地電阻測試范圍</p></td><td><p>0～200/600mΩ±(5%±5counts)</p></td><td><p>0～200mΩ±(5%±5counts)</p></td></tr><tr><td><p>接地電阻報(bào)警范圍</p></td><td><p>0～200/600mΩ連續(xù)設(shè)定</p></td><td><p>0～200mΩ連續(xù)設(shè)定</p></td></tr><tr><td><p>測試時(shí)間</p></td><td><p>1～99s</p></td><td>1～999s</td></tr><tr><td><p>隔離變壓器容量</p></td><td><p>300VA</p></td><td>500VA</td></tr><tr><td><p>溫度/濕度</p></td><td colspan="2"><p>0<span style="font-size:13.3333px">。</span> C～40<span style="font-size:13.3333px">。</span>C≤75%RH</p></td></tr><tr><td><p>尺寸/重量</p></td><td colspan="2"><p>LK2678BX:350mm(W)×135mm(H)×280mm(D) / 10kg<br />LK2678:375mm(W)×195mm(H)×280mm(D) / 15kg</p></td></tr><tr><td><p>標(biāo)準(zhǔn)附件</p></td><td colspan="2"><p>LK26003</p></td></tr></tbody></table></td><td><img alt="" src="http://www.czlgdz.com/ckfinder/userfiles/images/2012111315360823.jpg" style="height:162px; width:300px" /><br />LK2678</td></tr><tr><td colspan="2">性能特點(diǎn)(LK7305)</td></tr><tr><td><p>■ 恒流線性放大輸出<br />■ 前面板軟件校正，度高<br />■ 選配RS232、標(biāo)配PLC接口<br />■ 鍵盤鎖定功能</p><p><span style="color:rgb(255, 0, 0)">*7305可與7110/7122連接組成二合一耐壓接地、三合一耐壓絕緣接地測試儀，方便靈活。</span></p></td><td><p><img alt="" src="http://www.czlgdz.com/web/uploadfile/20061218135824427.jpg" /><br /><span style="color:rgb(0, 0, 0)">LK7305</span></p></td></tr><tr><td colspan="2">技術(shù)指標(biāo)</td></tr><tr><td colspan="2"><table border="1" cellpadding="0" cellspacing="0" style="background-color:transparent; border-collapse:collapse; border-spacing:0px; box-sizing:border-box; table-layout:inherit; width:100%"><tbody><tr><td><p>輸出電流</p></td><td><p>3～30A ±(2%±2counts)</p></td></tr><tr><td><p>測試電壓</p></td><td><p>AC 6V</p></td></tr><tr><td><p>接地電阻范圍</p></td><td><p>0～510 mΩ Output Current 10A<br />0～120 mΩ Output Current 10A～30A ±(2%±2counts)</p></td></tr><tr><td><p>測試時(shí)間</p></td><td><p>0.1～999.9s ±(2%±0.05sec)</p></td></tr><tr><td><p>液晶顯示器LCD</p></td><td><p>16*2行背光式液晶顯示器</p></td></tr><tr><td><p>遙控裝置</p></td><td><p>Input: Test,Reset<br />Output: Pass,Fail,Test-in-Process</p></td></tr><tr><td><p>測試報(bào)警</p></td><td><p>蜂鳴器、指示燈</p></td></tr><tr><td><p>校正方式</p></td><td><p>軟體校正</p></td></tr><tr><td><p>記憶裝置</p></td><td><p>可記憶電流、電阻、時(shí)間等設(shè)定值</p></td></tr><tr><td><p>溫度/濕度</p></td><td><p>0<span style="font-size:13.3333px">。</span>C～40<span style="font-size:13.3333px">。</span>C≤75%RH</p></td></tr><tr><td><p>尺寸/重量</p></td><td><p>W×H×D:275mm×100mm×340mm / 10kg</p></td></tr><tr><td><p>標(biāo)準(zhǔn)附件</p></td></tr></tbody></table></td></tr></tbody></table></div> <div id="m4sedaowg009" class="tagContent" id="tagContent1" style="display: block;"><link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div id="m4sedaowg009" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> <div 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