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class="ej"><a href="/SonList-1800102.html" class="eja">繼電保護測試儀</a></li> </ul> </div> </li> </ul> </div> </div></div> <div id="1571n5fppxr7" class="inpage_right"> <div id="1571n5fppxr7" class="mbx2"><a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > PC40B型高絕緣電阻測量儀講解結(jié)構(gòu)與使用</div> <div id="1571n5fppxr7" class="inpage_content"> <div id="1571n5fppxr7" class="nr_main_box"> <h1 class="inside_rnewtil">PC40B型高絕緣電阻測量儀講解結(jié)構(gòu)與使用</h1> <div id="1571n5fppxr7" class="inside_rnewtime">點擊次數(shù)：533 更新時間：2024-04-26</div> <div id="1571n5fppxr7" class="inside_rnewcon"><p><span style="font-size: 16px;"><strong><span style="font-family: "Times New Roman";">PC40B型高絕緣電阻測量儀講解結(jié)構(gòu)與使用</span></strong></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">PC40B</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">型高絕緣電阻測量儀</span></span><span style=";font-family:'Times New Roman';font-size:14px">(</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">高阻計</span></span><span style=";font-family:'Times New Roman';font-size:14px">)</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">適用于測量絕緣材料、電工產(chǎn)品、各類元器件的絕緣電阻；與恒溫水浴配套后，還能測量在不同溫度下的塑料電線電纜</span></span><span style=";font-family:'Times New Roman';font-size:14px">(</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">無屏蔽層</span></span><span style=";font-family:'Times New Roman';font-size:14px">)</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">的絕緣電阻。該儀器具有測量精度高，性能穩(wěn)定，操作簡便等優(yōu)點。</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　本儀器貫徹</span></span><span style=";font-family:'Times New Roman';font-size:14px">Q/ </span><span style=";font-family:宋體;font-size:14px">TPGG</span><span style=";font-family:宋體;font-size:14px"> <span style="font-family:宋體">9-2012高</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">絕緣電阻測量儀（高阻計）企業(yè)標準。</span></span></p><p><span style=";font-family:宋體;font-size:14px"> </span></p><p><strong><span style=";font-family:'Times New Roman';font-size:14px">2</span></strong><strong><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　規(guī)格和技術(shù)特性</span></span></strong><strong><i></i></strong></p><p><span style=";font-family:宋體;font-size:14px"> </span></p><p><span style=";font-family:'Times New Roman';font-size:14px">2.1</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　規(guī)格和主要技術(shù)參數(shù)</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">2.1.1</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　測試電壓和測量范圍見表</span></span><span style=";font-family:'Times New Roman';font-size:14px">1</span><span style="text-align: center; font-family: 宋體;">表　</span><span style="text-align: center; font-family: "Times New Roman";">1</span></p><div id="1571n5fppxr7" class="tabledivclass" style="width: 99%; float: left;"><table border="1" cellspacing="0" align="left" style="max-width: 748px;"><tbody><tr style="page-break-inside:avoid" class="firstRow"><td width="229" valign="center" colspan="2" style="padding: 0px 7px; border-width: 1px; border-style: solid; border-color: windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">測　　試　　電　　壓</span></span></p></td><td width="236" valign="center" rowspan="2" style="padding: 0px 7px; border-width: 1px; border-style: solid; border-color: windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">測　　量　　范　　圍</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">Ω</span></span></p></td></tr><tr style="page-break-inside:avoid"><td width="112" valign="top" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">V</span></p></td><td width="117" valign="top" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">誤　　差</span></span></p></td></tr><tr style="page-break-inside:avoid"><td width="112" valign="center" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">100</span></p></td><td width="117" valign="center" rowspan="4" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">±</span></span><span style="font-family:'Times New Roman';font-size:14px">5%</span></p></td><td width="236" valign="center" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">2</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">5</span></sup><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">～</span></span><span style="font-family:'Times New Roman';font-size:14px">1.999</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">10</span></sup></p></td></tr><tr style="page-break-inside:avoid"><td width="112" valign="center" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">250</span></p></td><td width="236" valign="center" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">2</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">5</span></sup><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">～</span></span><span style="font-family:'Times New Roman';font-size:14px">1.999</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">11</span></sup></p></td></tr><tr style="page-break-inside:avoid"><td width="112" valign="center" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">500</span></p></td><td width="236" valign="center" rowspan="2" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">2</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">5</span></sup><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">～</span></span><span style="font-family:'Times New Roman';font-size:14px">1.999</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">12</span></sup></p></td></tr><tr style="page-break-inside:avoid"><td width="112" valign="center" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">1000</span></p></td></tr></tbody></table><span style="font-family:Times New Roman"><br/></span><p><span style="font-family: "Times New Roman";"><br/></span></p><p><span style="font-family: "Times New Roman";"><br/></span></p><p><span style="font-family: "Times New Roman";"><br/></span></p><p><span style="font-family: "Times New Roman";"><br/></span></p><p><span style="font-family: "Times New Roman";"><br/></span></p><p><span style="font-family: "Times New Roman";"><br/></span></p><p><span style="font-family: "Times New Roman";"><br/></span></p><p><span style="font-family: "Times New Roman";">2.1.2</span><span style="font-family: 宋體;">　測量范圍和基本誤差見表</span><span style="font-family:Times New Roman">2</span><span style="text-align: center; font-family: 宋體;">表　</span><span style="text-align: center; font-family: "Times New Roman";">2</span></p></div><div id="1571n5fppxr7" class="tabledivclass" style="width: 99%; float: left;"><table border="1" cellspacing="0" align="left" style="max-width: 748px;"><tbody><tr class="firstRow"><td width="229" valign="center" style="padding: 0px 7px; border-width: 1px; border-style: solid; border-color: windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">測　　量　　范　　圍</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">Ω</span></span></p></td><td width="236" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: 1px solid windowtext; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">基　　本　　誤　　差</span></span></p></td></tr><tr><td width="229" valign="top" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">2</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">5</span></sup><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">～</span></span><span style="font-family:'Times New Roman';font-size:14px">1.999</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">9</span></sup></p></td><td width="236" valign="top" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">±</span></span><span style="font-family:'Times New Roman';font-size:14px">(3%R</span><sub><span style="font-family:'Times New Roman';font-size:14px;vertical-align:sub">x</span></sub><span style="font-family:'Times New Roman';font-size:14px">+5d)</span></p></td></tr><tr><td width="229" valign="center" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:'Times New Roman';font-size:14px">0.2</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">10</span></sup><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">～</span></span><span style="font-family:'Times New Roman';font-size:14px">1.999</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style="font-family:'Times New Roman';font-size:14px">10</span><sup><span style="font-family:'Times New Roman';font-size:14px;vertical-align:super">12</span></sup></p></td><td width="236" valign="top" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">±</span></span><span style="font-family:'Times New Roman';font-size:14px">(5%R</span><sub><span style="font-family:'Times New Roman';font-size:14px;vertical-align:sub">x</span></sub><span style="font-family:'Times New Roman';font-size:14px">+5d)</span></p></td></tr><tr style="page-break-inside:avoid"><td width="465" valign="center" colspan="2" style="padding: 0px 7px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">　　注</span></span><span style="font-family:'Times New Roman';color:rgb(255,255,255);font-size:14px">..</span><span style="font-family:'Times New Roman';font-size:14px">1</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">：</span></span><span style="font-family:'Times New Roman';font-size:14px">Rx</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">－被測電阻的讀數(shù)　　</span></span><span style="font-family:'Times New Roman';font-size:14px">d</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">－個字</span></span></p><p style="margin-left:70px"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">　　注</span></span><span style="font-family:'Times New Roman';font-size:14px"> 2</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">：基本誤差測試條件為溫度</span></span><span style="font-family:'Times New Roman';font-size:14px">23</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">℃±</span></span><span style="font-family:'Times New Roman';font-size:14px">2</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">℃，相對濕度</span></span><span style="font-family:'Times New Roman';font-size:14px">40%</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">～</span></span><span style="font-family:'Times New Roman';font-size:14px">60%</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">，除電磁場外無其他磁場，儀器預(yù)熱</span></span><span style="font-family:'Times New Roman';font-size:14px">10min</span><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">后測試。</span></span></p></td></tr></tbody></table></div><p><span style=";font-family:'Times New Roman';font-size:14px"> </span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px"><br/></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">2.2</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　產(chǎn)品的特色</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　<span style="font-family:Times New Roman">a</span><span style="font-family:宋體">　采用高阻抗放大器，提高測量精度。</span></span></p><p style="text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">b</span><span style="font-family:宋體">　三位半數(shù)碼管顯示，讀數(shù)直觀。　　　　　　</span></span></p><p style="text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">c</span><span style="font-family:宋體">　輸入端能短時間短路，不損壞儀器。　</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">d</span><span style="font-family:宋體">　顯示時間功能</span></span><span style=";font-family:'Times New Roman';font-size:14px"> 1min</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">～</span></span><span style=";font-family:'Times New Roman';font-size:14px">99min</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">2.3</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　使用條件</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　　環(huán)境溫度　</span></span><span style=";font-family:'Times New Roman';font-size:14px">0</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">℃～</span></span><span style=";font-family:'Times New Roman';font-size:14px">40</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">℃</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　　相對濕度　</span><span style="font-family:宋體">≤</span></span><span style=";font-family:'Times New Roman';font-size:14px">70%</span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　　供電電源　交流</span></span><span style=";font-family:'Times New Roman';font-size:14px">220V</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　允差</span><span style="font-family:宋體">±</span></span><span style=";font-family:'Times New Roman';font-size:14px">10%</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:Times New Roman">50</span></span><span style=";font-family:'Times New Roman';font-size:14px">Hz</span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　　工作室內(nèi)無強烈電磁場干擾源，無大量灰塵和腐蝕氣體，通風(fēng)良好。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">2.4</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　儀器可連續(xù)工作</span></span><span style=";font-family:'Times New Roman';font-size:14px">8h</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">2.5</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　消耗功率　　　約</span></span><span style=";font-family:'Times New Roman';font-size:14px">10W</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">2.6</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　外形尺寸　　　</span></span><span style=";font-family:'Times New Roman';font-size:14px">l</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style=";font-family:'Times New Roman';font-size:14px">b</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style=";font-family:'Times New Roman';font-size:14px">h</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">，</span></span><span style=";font-family:'Times New Roman';font-size:14px">mm</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">：</span></span><span style=";font-family:'Times New Roman';font-size:14px">355</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style=";font-family:'Times New Roman';font-size:14px">320</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">×</span></span><span style=";font-family:'Times New Roman';font-size:14px">145</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">2.7</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　重　　量　　　約</span></span><span style=";font-family:'Times New Roman';font-size:14px">6.3kg</span><span style=";font-family:宋體;font-size:14px">　</span><span style=";font-family:'Times New Roman';font-size:14px">(</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">主機</span></span><span style=";font-family:'Times New Roman';font-size:14px">)</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">。</span></span></p><p><span style=";font-family:宋體;font-size:14px"> </span></p><p><strong><span style=";font-family:'Times New Roman';font-size:14px">3</span></strong><strong><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　儀器結(jié)構(gòu)及工作原理</span></span></strong><strong><i></i></strong></p><p><span style=";font-family:'Times New Roman';font-size:14px">3.1</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　結(jié)構(gòu)</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　由直流高壓測試電源、放電測試裝置、高阻抗直流放大器、電源和顯示器組成。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">3.2</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　工作原理</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　儀器作高阻測試時其主要原理如圖</span></span><span style=";font-family:'Times New Roman';font-size:14px">1</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">所示。測試時，被測試樣與高阻抗直流放大器的輸入電阻</span><span style="font-family:宋體">“</span></span><span style=";font-family:'Times New Roman';font-size:14px">R</span><sub><span style=";font-family:'Times New Roman';font-size:14px;vertical-align:sub">0</span></sub><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">"串聯(lián)并跨接于直流高壓測試電源上。高阻抗直流放大器將其輸入電阻上的分壓訊號經(jīng)放大后輸出至顯示器，由顯示器直接讀出被測絕緣電阻值。</span></span></p><p style="text-align:center"><br/></p><div id="1571n5fppxr7" class="tabledivclass" style="width: 99%; float: left;"> <p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img47.chem17.com/9/20240426/638497177683778258777.png" title="B@(SH9G}2LYLKTC~BIQ)9O6.png" alt="B@(SH9G}2LYLKTC~BIQ)9O6.png"/></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">儀器功能鍵布局</span></span></p><br/><table cellpadding="0" cellspacing="0" align="left" style="max-width: 748px;"><tbody><tr class="firstRow"><td width="21" height="0"><br/></td><td width="21" height="0"><br/></td></tr><tr><td><br/></td><td style="word-break: break-all;"><br/></td></tr></tbody></table> <p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img50.chem17.com/9/20240426/638497178514475259888.png" title="OCTK5J631TIU9{WDZN9]F]K.png" alt="OCTK5J631TIU9{WDZN9]F]K.png"/></p></div><p><span style=";font-family:宋體;font-size:14px"> </span></p><p><br/></p><p style="text-indent:42px"><span style=";font-family:'Times New Roman';font-size:14px">1</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“測試電阻"顯示器　　　　　</span></span><span style=";font-family:'Times New Roman';font-size:14px">2</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“測試時間"顯示器</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　　</span><span style=";font-family:'Times New Roman';font-size:14px">3</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“方式選擇"開關(guān)　　　　　　</span></span><span style=";font-family:'Times New Roman';font-size:14px">4</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“電壓選擇"開關(guān)</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　　</span><span style=";font-family:'Times New Roman';font-size:14px">5</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“電阻量程選擇"開關(guān)　　　　</span></span><span style=";font-family:'Times New Roman';font-size:14px">6</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“輸入"端</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　　</span><span style=";font-family:'Times New Roman';font-size:14px">7</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“接地"端　　　　　　　　　</span></span><span style=";font-family:'Times New Roman';font-size:14px">8</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“高壓輸出"端</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　　</span><span style=";font-family:'Times New Roman';font-size:14px">9</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“時間"設(shè)定撥盤　　　　　</span></span><span style=";font-family:'Times New Roman';font-size:14px"> 10</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“定時"設(shè)定開關(guān)</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　 </span><span style=";font-family:'Times New Roman';font-size:14px"> 11</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“電源"開關(guān)</span></span></p><p><strong><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">使用與操作</span></span></strong><strong><i></i></strong></p><p><span style=";font-family:'Times New Roman';font-size:14px">5.1</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　測試接線圖　　　　　　　　　　　　　　　　　　　　　　</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">5.1.1</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　測量電工產(chǎn)品和各類元器件的絕緣電阻（如要測量大于</span><span style="font-family:Times New Roman">10</span></span><sup><span style=";font-family:宋體;font-size:14px;vertical-align:super"><span style="font-family:Times New Roman">10</span></span></sup><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">Ω電阻時，應(yīng)將被測物屏蔽，以免外界干擾而影響正常測試），接線如圖</span><span style="font-family:Times New Roman">3</span><span style="font-family:宋體">。</span></span></p><p> </p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img54.chem17.com/9/20240426/638497179071980085726.png" title="{AMK$UKDLR$3P`1M92D8VCI.png" alt="{AMK$UKDLR$3P`1M92D8VCI.png"/></p><p style="text-align:center"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">圖</span></span><span style=";font-family:'Times New Roman';font-size:14px">3</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　測電阻</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">5.1.2</span><span style="font-family:宋體">　用三電極系統(tǒng)測試絕緣材料的體積電阻和表面電阻。</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　連接儀器和電極箱的對應(yīng)端鈕。</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　按下圖將被測材料的試樣置于電極箱內(nèi)，將箱內(nèi)紅色鱷魚夾夾住測量電極，黑色鱷魚夾夾住保護電極（電極之間千萬不能互相接觸，否則將損壞儀器）。</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　<span style="font-family:Times New Roman">1</span><span style="font-family:宋體">）測試試樣體積電阻時，電極箱上的選擇開關(guān)置于</span><span style="font-family:Times New Roman">R</span></span><span style=";font-family:'Times New Roman';font-size:14px">v</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">，此時箱內(nèi)三電極的狀態(tài)如圖</span></span><span style=";font-family:'Times New Roman';font-size:14px">4</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">。</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　<span style="font-family:Times New Roman">2</span><span style="font-family:宋體">）測試試樣表面電阻時，電極箱上的選擇開關(guān)置于</span><span style="font-family:Times New Roman">R</span></span><span style=";font-family:'Times New Roman';font-size:14px">s</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">，此時箱內(nèi)三電極的狀態(tài)如圖</span><span style="font-family:Times New Roman">5</span><span style="font-family:宋體">。</span></span></p><p> </p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img49.chem17.com/9/20240426/638497179491453234851.png" title="S@ZA%YY_JD90J4)KH5TWMEI.png" alt="S@ZA%YY_JD90J4)KH5TWMEI.png"/></p><p style="text-align:center"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體"> 圖</span><span style="font-family:Times New Roman">4</span><span style="font-family:宋體">　測體積電阻</span><span style="font-family:Times New Roman">R</span></span><span style=";font-family:'Times New Roman';font-size:14px">v</span><sub><span style=";font-family:宋體;font-size:14px;vertical-align:sub"> </span></sub><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">圖</span></span><span style=";font-family:'Times New Roman';font-size:14px">5</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　測表面電阻</span><span style="font-family:Times New Roman">R</span></span><span style=";font-family:'Times New Roman';font-size:14px">s</span></p><p style="text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">圖中：</span></span></p><p style="text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">（</span><span style="font-family:Times New Roman">1</span><span style="font-family:宋體">）測量電極?。?/span><span style="font-family:Times New Roman">2</span><span style="font-family:宋體">）不保護電極　</span></span><span style=";font-family:'Times New Roman';font-size:14px">(3)</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　保護電極　（</span><span style="font-family:Times New Roman">4</span><span style="font-family:宋體">）被測試樣</span></span></p><p style="text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">注：本儀器所涉及三電極的尺寸是依據(jù)《</span><span style="font-family:Times New Roman">GB1410</span><span style="font-family:宋體">固體電工絕緣材料、絕緣電阻、體積電阻系數(shù)和表面電阻系數(shù)試驗方法》中的規(guī)定制作的，其主要尺寸如下：</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　測量電極直徑</span></span><span style=";font-family:'Times New Roman';font-size:14px">d</span><span style=";font-family:'Times New Roman';font-size:10px">1 </span><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">=</span></span><span style=";font-family:'Times New Roman';font-size:14px"> 5 cm</span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　保護電極內(nèi)徑</span></span><span style=";font-family:'Times New Roman';font-size:14px">d</span><span style=";font-family:'Times New Roman';font-size:10px">2 </span><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">=</span></span><span style=";font-family:'Times New Roman';font-size:14px"> 5.4 cm</span></p><p style="text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">保護電極與測量電極間的間隙</span></span><span style=";font-family:'Times New Roman';font-size:14px">g </span><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">=</span></span><span style=";font-family:'Times New Roman';font-size:14px"> 0.2 cm</span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">和恒溫水浴配套后，</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">能測量不同溫度下的塑</span></span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img60.chem17.com/9/20240426/638497179955159060249.png" title="RRQ}LDVPH0G4IC7TDBF~I)N.png" alt="RRQ}LDVPH0G4IC7TDBF~I)N.png"/></p><p style="margin-left:43px"><span style="font-family:'Times New Roman';font-size:14px">5.1.3 </span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">和恒溫水浴配套后，</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">能測量不同溫度下的塑料電線電纜的絕緣電阻。</span></span></p><p style="text-align:center"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">圖</span><span style="font-family:Times New Roman">6 </span><span style="font-family:宋體">測量電線電纜</span></span></p><p style="text-align:center"><span style=";font-family:宋體;font-size:14px"> </span></p><p style="text-align:center"><span style=";font-family:宋體;font-size:14px"> </span></p><p style="text-align:center"><span style=";font-family:'Times New Roman';font-size:14px">6</span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　把被測電線電纜浸沒于水中，水應(yīng)與大地絕緣</span></span><span style=";font-family:'Times New Roman';font-size:14px">(</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">建議采用塑料桶</span></span><span style=";font-family:'Times New Roman';font-size:14px">)</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">，使其兩端導(dǎo)電芯線部分露出水面至少</span><span style="font-family:Times New Roman">300mm</span><span style="font-family:宋體">。將儀器輸入端與被測電線電纜芯線相接；高壓輸出端與一根放入水中的金屬條相接。</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">5.2</span><span style="font-family:宋體">　測試前的準備</span></span></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">5.2.1</span><span style="font-family:宋體">　各開關(guān)位置選擇</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　</span><span style=";font-family:'Times New Roman';font-size:14px">a</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“電源開關(guān)"置于“關(guān)"的位置。</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　</span><span style=";font-family:'Times New Roman';font-size:14px">b</span><span style=";font-family:宋體;font-size:14px">　</span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">“額定電壓選擇"開關(guān)置于所需要的電壓檔（一般額定電壓為</span><span style="font-family:Times New Roman">100V</span><span style="font-family:宋體">）。</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　</span><span style=";font-family:'Times New Roman';font-size:14px">c</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“方式選擇</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">開關(guān)置于</span><span style="font-family:宋體">“放電"位置。</span></span><strong></strong></p><p><span style=";font-family:宋體;font-size:14px">　　</span><span style=";font-family:'Times New Roman';font-size:14px">d</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“電阻量程選擇</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">開關(guān)置于：</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　　　</span><span style=";font-family:'Times New Roman';font-size:14px">(1)</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　當被測物的阻值為已知時，則選相應(yīng)的檔。</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　　　</span><span style=";font-family:'Times New Roman';font-size:14px">(2)</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　當被測物的阻值為未知時，則選</span><span style="font-family:Times New Roman">10</span></span><sup><span style=";font-family:宋體;font-size:14px;vertical-align:super"><span style="font-family:Times New Roman">6</span></span></sup><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">Ω的檔。</span></span></p><p style="text-indent:28px"><span style=";font-family:'Times New Roman';font-size:14px">e</span><span style=";font-family:宋體;font-size:14px">　<span style="font-family:宋體">“定時</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">設(shè)定開關(guān)置于</span><span style="font-family:宋體">“關(guān)"的位置。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">5.2.2</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　接通電源，合上電源開關(guān)，電源指示燈亮。預(yù)熱</span></span><span style=";font-family:'Times New Roman';font-size:14px">10min</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">5.3</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　測試步驟</span></span><strong><i><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">（若測</span><span style="font-family:宋體">10</span></span></i></strong><strong><i><sup><span style=";font-family:宋體;font-size:14px;vertical-align:super"><span style="font-family:宋體">12</span></span></sup></i></strong><strong><i><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">Ω以上電阻值，請參照附錄2）</span></span></i></strong></p><p><span style=";font-family:'Times New Roman';font-size:14px">5.3.1</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　測試純電阻時：</span></span></p><div id="1571n5fppxr7" class="tabledivclass" style="width: 99%; float: left;"><table cellpadding="0" cellspacing="0" align="left" style="max-width: 748px;"><tbody><tr class="firstRow"><td width="-460.867" height="0"><br/></td><td width="-460.867" height="0"><br/></td></tr><tr><td><br/></td><td><br/></td></tr></tbody></table></div><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　　將</span><span style="font-family:宋體">“方式選擇</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">開關(guān)置于</span><span style="font-family:宋體">“測試"位置，即可讀數(shù)；如用定時器時，可將“定時</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">設(shè)定開關(guān)置于</span><span style="font-family:宋體">“開"的位置，待到達設(shè)定時間，即可自動鎖</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">定顯</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">示值。在進行下一次測試前，需將</span><span style="font-family:宋體">“定時"設(shè)定開關(guān)置于“關(guān)"的位置。</span></span></p><p><br/></p><p style="text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">注：在測試過程中</span></span></p><p><span style=";font-family:宋體;font-size:14px">　　<span style="font-family:Times New Roman">(</span></span><span style=";font-family:'Times New Roman';font-size:14px">1</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">)</span><span style="font-family:宋體">　　若發(fā)現(xiàn)顯示為</span><span style="font-family:Times New Roman">0.200</span><span style="font-family:宋體">以下，可將“電阻量程選擇"開關(guān)降低一檔，若降至“電阻量程選擇</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">開關(guān)為</span><span style="font-family:Times New Roman">10</span></span><sup><span style=";font-family:宋體;font-size:14px;vertical-align:super"><span style="font-family:Times New Roman">6</span></span></sup><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">Ω檔，顯示值仍為</span><span style="font-family:Times New Roman">0.200</span><span style="font-family:宋體">以下，即被測電阻小于</span><span style="font-family:Times New Roman">200</span></span><span style=";font-family:'Times New Roman';font-size:14px">k</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">Ω，處于儀器的最小量限外。應(yīng)立即將“方式選擇</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">開關(guān)置于</span><span style="font-family:宋體">“放電"位置，并停止測試，以免損壞儀器。如顯示為</span><span style="font-family:Times New Roman">1.999</span></span><span style=";font-family:'Times New Roman';font-size:14px">, </span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">可將</span><span style="font-family:宋體">“電阻量程選擇</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">開關(guān)逐檔升高，直至讀數(shù)處于</span><span style="font-family:Times New Roman">0.200~1.999</span><span style="font-family:宋體">之間。</span></span></p><p style="text-indent:26px"><span style=";font-family:'Times New Roman';font-size:14px">(2)</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　在測試絕緣電阻時，如發(fā)現(xiàn)顯示值有不斷上升的現(xiàn)象，這是由于介質(zhì)的吸收現(xiàn)象所致，若在很長時間內(nèi)未能穩(wěn)定，在一般情況下是取其測試開始后</span><span style="font-family:Times New Roman">1</span></span><span style=";font-family:'Times New Roman';font-size:14px">min</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">時的讀數(shù)，作為被測物的絕緣電阻值。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">5.3.2</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">　測帶容性被測物時：</span></span></p><p><span style=";font-family:宋體;letter-spacing:-0;font-size:14px"><span style="font-family:宋體">　　先將</span><span style="font-family:宋體">“方式選擇</span></span><span style=";font-family:宋體;letter-spacing:-1px;font-size:14px"><span style="font-family:宋體">"</span></span><span style=";font-family:宋體;letter-spacing:-0;font-size:14px"><span style="font-family:宋體">開關(guān)置于</span><span style="font-family:宋體">“充電"檔，對被測物經(jīng)一定時間的充電后（視被測物容量大小而定，一般為</span><span style="font-family:Times New Roman">15</span></span><span style=";font-family:'Times New Roman';letter-spacing:-0;font-size:14px">s</span><span style=";font-family:宋體;letter-spacing:-0;font-size:14px"><span style="font-family:宋體">，當電容量或電阻值大時，可適當延長充電時</span></span></p><p><br/></p></div> <div id="1571n5fppxr7" class="inside_newsthree"> <p id="newsprev">上一篇：<b class="newsprev"><a href="/Article-3675605.html">PZ93A/3型直流數(shù)字電壓表講解</a></b></p> <p id="newsnext">下一篇：<b class="newsnext"><a href="/Article-3675568.html">HE5000 全智能無線高低壓核相儀產(chǎn)品結(jié)構(gòu)與技術(shù)</a></b></p> <span><a href="/article.html">返回列表>></a></span> </div> </div> </div> </div> </div>    <div class="1571n5fppxr7" id="z_Footer"> <div id="1571n5fppxr7" class="pz_down"> <div id="1571n5fppxr7" class="w_1200"> <div id="1571n5fppxr7" class="footT"> <div id="1571n5fppxr7" class="footAddr"> <div 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