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class="inside_rnewcon"><p style="text-indent:28px;text-autospace:none"><strong><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">BC2533指針絕緣電阻測(cè)試儀特性技術(shù)使用方法</span></span></strong></p><p style="text-indent:28px;text-autospace:none"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">隨著我國(guó)電力工業(yè)的快速發(fā)展，電氣設(shè)備預(yù)防性實(shí)驗(yàn)是保障電力系統(tǒng)安全運(yùn)行和維護(hù)工作中的一個(gè)重要環(huán)節(jié)。絕緣診斷是檢測(cè)電氣設(shè)備絕緣缺陷或故障的重要手段。絕緣電阻測(cè)試儀（兆歐表）是測(cè)量絕緣電阻的專用儀表。</span></span><span style=";font-family:'Times New Roman';font-size:19px">1990</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">年</span></span><span style=";font-family:'Times New Roman';font-size:19px">5</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">月批準(zhǔn)實(shí)施的</span></span><span style=";font-family:'Times New Roman';font-size:19px">JJG662-89</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">《絕緣電阻表（兆歐表）》已把它作為強(qiáng)制檢定的儀表之一。目前，電氣設(shè)備（如變壓器、發(fā)電機(jī)等）朝著大容量化、高電壓化、結(jié)構(gòu)多樣化及密封化的趨勢(shì)發(fā)展。這就需要絕緣電阻測(cè)試儀本身具有容量大、抗干擾能力強(qiáng)、測(cè)量指標(biāo)多樣化、測(cè)量結(jié)果準(zhǔn)確、測(cè)量過程簡(jiǎn)單并迅速、便于攜帶等特點(diǎn)。</span></span></p><p style="text-indent:28px;text-autospace:none"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">我公司生產(chǎn)的</span></span><span style=";font-family:'Times New Roman';font-size:19px">BC25</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">33</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">型系列絕緣電阻測(cè)試儀采用超薄形張絲表頭、多種電壓等級(jí)輸出、容量大、抗干擾強(qiáng)、操作簡(jiǎn)單、具有時(shí)間提示功能。是測(cè)量變壓器、互感器、發(fā)電機(jī)、高壓電動(dòng)機(jī)、電力電容、電力電纜、避雷器等絕緣電阻的理想測(cè)試儀器。</span></span></p><p><br/></p><p style="margin-left:56px;text-autospace:none;text-align:center"><span style=";font-family:宋體;font-size:14px"> </span></p><p style="margin-left:28px;text-autospace:none"><strong><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">一、</span></span></strong><strong> <strong style="text-indent: 28px; white-space: normal;"><span style="font-family: 宋體; font-size: 19px;">BC2533指針絕緣電阻測(cè)試儀</span></strong></strong><strong><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">產(chǎn)品特性</span></span></strong><strong></strong></p><p style="margin-left:28px;text-autospace:none"><span style=";font-family:宋體;font-size:19px"> </span></p><p style="margin-left:21px;text-autospace:none"><span style=";font-family:宋體;font-size:19px">1</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、儀表的絕緣測(cè)試對(duì)于</span></span><span style=";font-family:宋體;font-size:19px">BC25</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">33型在500</span></span><span style=";font-family:宋體;font-size:19px">V</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">最高可測(cè)</span>20GΩ, 在1000</span><span style=";font-family:宋體;font-size:19px">V</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">最高可測(cè)</span>40GΩ, 在2500</span><span style=";font-family:宋體;font-size:19px">V</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">最高可測(cè)</span>100GΩ；</span></p><p style="margin-left:21px;text-autospace:none"><span style=";font-family:宋體;font-size:19px"> 2</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、額定的輸出電壓保持在對(duì)</span></span><span style=";font-family:宋體;font-size:19px">BC25</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">33型負(fù)載電阻可低至4</span></span><span style=";font-family:宋體;font-size:19px">M</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">Ω/8</span></span><span style=";font-family:宋體;font-size:19px">M</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">Ω/20</span></span><span style=";font-family:宋體;font-size:19px">M</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">Ω，這使得儀表能夠精確測(cè)量較低的絕緣阻抗。</span></span></p><p style="margin-left:21px;text-autospace:none"><span style=";font-family:宋體;font-size:19px">3</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、自動(dòng)轉(zhuǎn)換的高低范圍雙刻度指示</span></span><span style=";font-family:宋體;font-size:19px">, </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">彩色刻度易于讀識(shí)</span></span><span style=";font-family:宋體;font-size:19px">, </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">并且有</span></span><span style=";font-family:宋體;font-size:19px">LED</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">顯示相應(yīng)色彩。</span></span></p><p style="margin-left:21px;text-autospace:none"><span style=";font-family:宋體;font-size:19px">4</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、整機(jī)采用</span>ABS塑料機(jī)殼便攜式設(shè)計(jì)，具有抗干擾能力強(qiáng)、結(jié)構(gòu)緊湊、外觀精美。</span></p><p style="margin-left:21px;text-autospace:none"><span style=";font-family:宋體;font-size:19px">5</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、儀表采用超薄型張絲表頭，抗震能力強(qiáng)。</span></span></p><p><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">6、是測(cè)量變壓器、互感器、發(fā)電機(jī)、高壓電動(dòng)機(jī)、電力電容、電力電纜、避雷器等絕緣電阻的理想測(cè)試儀器。</span></span></p><p><span style=";font-family:宋體;font-size:19px"><br clear="all" style="page-break-before:always"/></span><strong><span style="font-family: 宋體;font-size: 21px"><span style="font-family:宋體">二、<strong style="text-indent: 28px; white-space: normal;"><span style="font-family: 宋體; font-size: 19px;">BC2533指針絕緣電阻測(cè)試儀</span></strong>技術(shù)指標(biāo)</span></span></strong><strong></strong></p><p><strong><span style="font-family: 宋體;font-size: 14px"> </span></strong></p><p><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">儀表的技術(shù)指標(biāo)見表</span></span><span style=";font-family:宋體;font-size:19px">1</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">。</span></span></p><p><span style=";font-family:宋體;font-size:14px"> </span></p><div id="f0kbceeioz" class="tabledivclass" style="width: 99%; height: 483px;"><table border="1" cellspacing="0" align="left" width="588" style="max-width: 748px;"><tbody><tr style="height:41px" class="firstRow"><td width="144" valign="center" colspan="2" style="padding: 0px 7px; border-width: 1px; border-style: solid; border-color: windowtext;"><p style="text-align:center"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">型</span> 號(hào)</span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" style="padding: 0px 7px; border-width: 1px; border-style: solid; border-color: windowtext;"><p style="text-align:center"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:Times New Roman">BC 2533</span></span></strong><strong></strong></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">輸出電壓</span></span></strong><strong></strong></p></td><td width="156" 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:宋體;font-size:12px"><span style="font-family:Times New Roman">500V DC</span></span></p></td><td width="132" 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:12px"><span style="font-family:Times New Roman">1000V DC</span></span></p></td><td width="156" 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:12px"><span style="font-family:Times New Roman">2500V DC</span></span></p></td></tr><tr><td width="48" 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"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">精</span></span></strong><strong></strong></p><p style="text-align:center"><strong><span style="font-family:宋體;font-size:12px"> </span></strong></p><p style="text-align:center"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">度</span></span></strong><strong></strong></p></td><td width="96" 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"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">溫</span> <span style="font-family:'Times New Roman'"> </span>度</span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:Times New Roman">23</span><span style="font-family:宋體">℃±</span><span style="font-family:Times New Roman">5</span><span style="font-family:宋體">℃</span></span></p></td></tr><tr style="height:11px"><td width="96" 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"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">絕緣電阻</span></span></strong><strong></strong></p></td><td width="156" 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:宋體;font-size:12px"><span style="font-family:Times New Roman">0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">20G</span><span style="font-family:宋體">Ω </span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">±</span><span style="font-family:Times New Roman">5</span><span style="font-family:宋體">％</span></span></p></td><td width="132" 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:12px"><span style="font-family:Times New Roman">0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">40G</span><span style="font-family:宋體">Ω </span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">±</span><span style="font-family:Times New Roman">5</span><span style="font-family:宋體">％</span></span></p></td><td width="156" 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:12px"><span style="font-family:Times New Roman">0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">99G</span><span style="font-family:宋體">Ω </span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">±</span><span style="font-family:Times New Roman">5</span><span style="font-family:宋體">％</span></span></p></td></tr><tr style="height:10px"><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:宋體">≥</span><span style="font-family:Times New Roman">100 G</span><span style="font-family:宋體">Ω ±</span><span style="font-family:Times New Roman">10</span><span style="font-family:宋體">％</span></span></p></td></tr><tr><td width="96" 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"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">輸出電壓</span></span></strong><strong></strong></p></td><td width="156" 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:宋體;font-size:12px"><span style="font-family:Times New Roman">4M</span><span style="font-family:宋體">Ω～</span><span style="font-family:Times New Roman">20G</span><span style="font-family:宋體">Ω</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:12px"><span style="font-family:Times New Roman">0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">+10</span><span style="font-family:宋體">％</span></span></p></td><td width="132" 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:12px"><span style="font-family:Times New Roman">8M</span><span style="font-family:宋體">Ω～</span><span style="font-family:Times New Roman">40G</span><span style="font-family:宋體">Ω</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:12px"><span style="font-family:Times New Roman">0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">+10</span><span style="font-family:宋體">％</span></span></p></td><td width="156" 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:12px"><span style="font-family:Times New Roman">20M</span><span style="font-family:宋體">Ω～</span><span style="font-family:Times New Roman">100G</span><span style="font-family:宋體">Ω</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:12px"><span style="font-family:Times New Roman">0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">+10</span><span style="font-family:宋體">％</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;letter-spacing:4px;font-size:12px"><span style="font-family:宋體">高壓短路電</span></span></strong><strong><span style="font-family:宋體;letter-spacing:0;font-size:12px"><span style="font-family:宋體">流</span></span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:宋體">≥</span><span style="font-family:Times New Roman">1mA</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;letter-spacing:11px;font-size:12px"><span style="font-family:宋體">工作電</span></span></strong><strong><span style="font-family:宋體;letter-spacing:0;font-size:12px"><span style="font-family:宋體">源</span></span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:Times New Roman">8</span><span style="font-family:宋體">節(jié)</span><span style="font-family:Times New Roman">AA</span><span style="font-family:宋體">型電池</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;letter-spacing:2px;font-size:12px"><span style="font-family:宋體">工作溫度及濕</span></span></strong><strong><span style="font-family:宋體;letter-spacing:0;font-size:12px"><span style="font-family:宋體">度</span></span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:Times New Roman">-10</span><span style="font-family:宋體">℃～</span><span style="font-family:Times New Roman">40</span><span style="font-family:宋體">℃，最大相對(duì)濕度</span><span style="font-family:Times New Roman">85</span><span style="font-family:宋體">％</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;letter-spacing:2px;font-size:12px"><span style="font-family:宋體">保存溫度及濕</span></span></strong><strong><span style="font-family:宋體;letter-spacing:0;font-size:12px"><span style="font-family:宋體">度</span></span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:Times New Roman">-20</span><span style="font-family:宋體">℃～</span><span style="font-family:Times New Roman">60</span><span style="font-family:宋體">℃，最大相對(duì)濕度</span><span style="font-family:Times New Roman">90</span><span style="font-family:宋體">％</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;letter-spacing:11px;font-size:12px"><span style="font-family:宋體">絕緣性</span></span></strong><strong><span style="font-family:宋體;letter-spacing:0;font-size:12px"><span style="font-family:宋體">能</span></span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:宋體">電路與外殼之間的絕緣電阻</span>≥<span style="font-family:Times New Roman">50M</span><span style="font-family:宋體">Ω</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;letter-spacing:11px;font-size:12px"><span style="font-family:宋體">耐壓性</span></span></strong><strong><span style="font-family:宋體;letter-spacing:0;font-size:12px"><span style="font-family:宋體">能</span></span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:宋體">儀表電路與外殼之間施加</span><span style="font-family:Times New Roman">3kv</span><span style="font-family:宋體">、</span><span style="font-family:Times New Roman">50Hz</span><span style="font-family:宋體">正弦交流電壓，歷時(shí)</span><span style="font-family:Times New Roman">1</span><span style="font-family:宋體">分鐘，無擊穿與飛弧現(xiàn)象</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">尺</span> <span style="font-family:'Times New Roman'"> </span>寸</span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:Times New Roman">230mm</span><span style="font-family:宋體">×</span><span style="font-family:Times New Roman">190mm</span><span style="font-family:宋體">×</span><span style="font-family:Times New Roman">90mm (L</span><span style="font-family:宋體">×</span><span style="font-family:Times New Roman">W</span><span style="font-family:宋體">×</span><span style="font-family:Times New Roman">H)</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">重</span> <span style="font-family:'Times New Roman'"> </span>量</span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:Times New Roman">2kg</span></span></p></td></tr><tr><td width="144" 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 style="text-align:center"><strong><span style="font-family:宋體;font-size:12px"><span style="font-family:宋體">附</span> <span style="font-family:'Times New Roman'"> </span>件</span></strong><strong></strong></p></td><td width="444" valign="center" colspan="3" 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:12px"><span style="font-family:宋體">測(cè)試線一套</span></span></p></td></tr></tbody></table></div><p><span style=";font-family:宋體;font-size:12px"> </span></p><p style="text-align:center"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">表</span><span style="font-family:Times New Roman">1</span><span style="font-family:宋體">：</span></span><span style=";font-family:宋體;font-size:19px"> </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">型技術(shù)指標(biāo)</span></span></p><p><span style=";font-family:'Times New Roman';font-size:19px"><br clear="all" style="page-break-before:always"/></span><strong><span style="font-family: 宋體;font-size: 21px"><span style="font-family:宋體">三、<strong style="text-indent: 28px; white-space: normal;"><span style="font-family: 宋體; font-size: 19px;">BC2533指針絕緣電阻測(cè)試儀</span></strong>儀表結(jié)構(gòu)</span></span></strong><strong></strong></p><p style="margin-left:24px"><span style="font-family:宋體;font-size:19px">1、 </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">儀表結(jié)構(gòu)圖（圖</span></span><span style=";font-family:宋體;font-size:19px">1</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">）</span></span></p><p><span style=";font-family:宋體;font-size:13px"> </span></p><p><span style=";font-family:宋體;font-size:13px"> </span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img78.chem17.com/9/20211208/637745458475730489784.png" title="PH_JB3SW{NX_LQ`9NR814MN.png" alt="PH_JB3SW{NX_LQ`9NR814MN.png"/></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img80.chem17.com/9/20211208/637745459011352595597.png" title="5)EP~Z9@SY3)]JTTTNJE)SL.png" alt="5)EP~Z9@SY3)]JTTTNJE)SL.png"/></p><p style="text-align:center"><span style=";font-family:宋體;font-size:14px"> </span><br/></p><p style="text-align:center"><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">圖</span></span><span style="font-family: 宋體;font-size: 19px">1</span><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">：</span></span><span style="font-family: 宋體;font-size: 19px">BC25</span><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">33型絕緣表結(jié)構(gòu)圖</span></span></p><p style="margin-left:24px"><span style="font-family: 宋體;font-size: 13px">2、 </span><span style="font-family: 宋體;font-size: 13px"><br clear="all" style="page-break-before:always"/></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">結(jié)構(gòu)說明（表</span></span><span style=";font-family:'Times New Roman';font-size:19px">2</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">）</span></span></p><p style="margin-left:24px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體"><strong style="text-indent: 28px; white-space: normal;"><span style="font-family: 宋體; font-size: 19px;">BC2533指針絕緣電阻測(cè)試儀使用方法</span></strong></span></span></p><div id="f0kbceeioz" class="tabledivclass" style="width: 99%; height: 462px;"><p><strong><span style=";font-family:黑體;font-size:19px"><span style="font-family:黑體">注意：在接線時(shí)，特別注意</span></span></strong><strong><span style=";font-family:黑體;font-size:19px">LINE</span></strong><strong><span style=";font-family:黑體;font-size:19px"><span style="font-family:黑體">（紅色）與</span></span></strong><strong><span style=";font-family:黑體;font-size:19px">GUARD</span></strong><strong><span style=";font-family:黑體;font-size:19px"><span style="font-family:黑體">（綠色）的接法，不要將其短路。</span></span></strong><strong></strong></p><p style="margin-left:21px;text-autospace:none"><strong><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">二、開始測(cè)試</span></span></strong></p><p style="margin-left:23px;text-autospace:none"><span style=";font-family:'Times New Roman';font-size:19px">1</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、轉(zhuǎn)動(dòng)波段開關(guān)接通電源，如電源工作正常指示燈應(yīng)發(fā)綠光否則回發(fā)紅或黃色光。</span></span></p><p style="margin-left:23px;text-autospace:none"><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">2</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、對(duì)于</span>BC2533型只要轉(zhuǎn)動(dòng)到電壓選擇檔，儀器自動(dòng)接通檢測(cè)電池容量3秒鐘。</span></p><p style="margin-left:23px;text-autospace:none"><span style=";font-family:宋體;font-size:19px">3</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、轉(zhuǎn)動(dòng)波段開關(guān)，選擇需要的測(cè)試電壓（</span>500V/</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">1000</span></span><span style=";font-family:'Times New Roman';font-size:19px">V</span><span style=";font-family:宋體;font-size:19px">/</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">2500</span></span><span style=";font-family:'Times New Roman';font-size:19px">V</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">）。</span></span></p><p><span style=";font-family:宋體;font-size:19px">4</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、按下或鎖定</span></span><strong><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">測(cè)試鍵</span></span></strong><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">(9)</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">開始測(cè)試。這時(shí)測(cè)試鍵上方高壓輸出指示燈發(fā)亮并且儀表內(nèi)置蜂鳴器每隔</span></span><span style=";font-family:'Times New Roman';font-size:19px">1</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">秒鐘響一聲，代表</span></span><span style=";font-family:'Times New Roman';font-size:19px">LINE</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">②</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">端有高壓輸出。</span></span></p><p><strong><span style="font-family: 黑體;font-size: 19px"><span style="font-family:黑體">警告：</span></span></strong><strong><span style=";font-family:黑體;font-size:19px"><span style="font-family:黑體">測(cè)試過程中，嚴(yán)禁觸模探棒前端裸露部分以免發(fā)生觸電危險(xiǎn)。</span></span></strong><strong></strong></p><p><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">5、</span></span><span style=";font-family:宋體;font-size:19px"> </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">當(dāng)綠色</span></span><span style=";font-family:宋體;font-size:19px">LED</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">亮</span></span><span style=";font-family:宋體;font-size:19px">,</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">在外圈讀絕緣電阻值</span></span><span style=";font-family:宋體;font-size:19px">(</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">高范圍</span></span><span style=";font-family:宋體;font-size:19px">);</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">紅色</span></span><span style=";font-family:宋體;font-size:19px">LED</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">亮</span></span><span style=";font-family:宋體;font-size:19px">,</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">則讀內(nèi)圈刻度。測(cè)試完后</span></span><span style=";font-family:宋體;font-size:19px">,</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">松開</span></span><strong><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">測(cè)試鍵</span></span></strong><span style=";font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">(9)</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">，儀表停止測(cè)試，等待幾秒鐘</span></span><span style=";font-family:宋體;font-size:19px">,</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">不要立即把探頭從測(cè)試電路移開。這時(shí)儀表將自動(dòng)釋放測(cè)試電路中的殘存電荷。</span></span></p><p><strong><span style="font-family: 黑體;font-size: 19px"><span style="font-family:黑體">警告：</span></span></strong><strong><span style=";font-family:黑體;font-size:19px"><span style="font-family:黑體">試驗(yàn)完畢或重復(fù)進(jìn)行試驗(yàn)時(shí)，必須將被試物短接后對(duì)地充分放電（儀表也有內(nèi)置自動(dòng)放電功能，不過時(shí)間較長(zhǎng)）</span></span></strong><strong></strong></p><p style="margin-left:24px;text-autospace:none"><span style="font-family:'Times New Roman';font-size:19px">6、 </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">需連續(xù)進(jìn)行第二次測(cè)量時(shí)，可按</span>3</span><span style=";font-family:'Times New Roman';font-size:19px">-</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">5</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">步驟執(zhí)行。</span></span></p><p><strong><span style=";font-family:黑體;font-size:19px"><span style="font-family:黑體">注意：如長(zhǎng)期不進(jìn)行測(cè)試，需將電池倉中的電池拿出，以免電池液滲漏損壞儀表。</span></span></strong><strong></strong></p><p style="margin-left:21px;text-autospace:none"><strong><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">三、屏蔽端（</span></span></strong><strong><span style="font-family: 'Times New Roman';font-size: 19px">GUARD</span></strong><strong><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">）的使用方法</span></span></strong></p><p><span style=";font-family:宋體;font-size:19px"> </span></p><p><span style=";font-family:宋體;font-size:19px"> </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">在電力電纜等的絕緣測(cè)量或外界電磁場(chǎng)干擾時(shí)，為了消除表面漏電和外界電磁場(chǎng)的干擾而影響測(cè)量結(jié)果的準(zhǔn)確度，在實(shí)際測(cè)量過程中，采用儀表的屏蔽端來消除漏電電流、屏蔽干擾。</span></span></p><p><span style=";font-family:宋體;font-size:19px"> </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">對(duì)于兩節(jié)及以上的被試品，例如避雷器、耦合電容可采用圖</span></span><span style=";font-family:'Times New Roman';font-size:19px">5</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">所示的接線進(jìn)行測(cè)量。圖中將屏蔽端接到被測(cè)避雷器上一節(jié)法蘭上，這樣，由上方高壓線路等所引起的干擾電流由屏蔽端子屏蔽掉，而不經(jīng)過測(cè)試主回路，從而避免了干擾電流的影響。對(duì)最上節(jié)避雷器，可將其上法蘭接儀表地端（</span></span><span style=";font-family:'Times New Roman';font-size:19px">EARTH</span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">）后再接地，使干擾電流直接入地。但后者不能將干擾*消除掉。</span></span></p><p><span style=";font-family:宋體;font-size:13px"> </span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img77.chem17.com/9/20211208/637745460671508143973.png" title="7W_EJTCN~E58%8G`D%GW`72.png" alt="7W_EJTCN~E58%8G`D%GW`72.png"/></p><p><span style=";font-family:宋體;font-size:13px"></span><br/></p><p style=";text-autospace:none;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">5 </span><span style="font-family:宋體">利用屏蔽端屏蔽干擾</span></span></p><p><span style=";font-family:宋體;font-size:13px"> </span></p><p><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">其它方面的應(yīng)用可參考此接法。</span></span></p><table border="1" cellspacing="0" align="left" style="max-width: 748px;"><tbody><tr style="page-break-inside:avoid" class="firstRow"><td width="524" valign="top" colspan="3" style="padding: 0px 7px; border-left: none; border-right: none; 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">表</span><span style="font-family:Times New Roman">2</span><span style="font-family:宋體">：結(jié)構(gòu)圖說明</span></span></p></td></tr><tr><td width="50" 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"><strong><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">序號(hào)</span></span></strong><strong></strong></p></td><td width="151" valign="center" style="padding: 0px 7px; border-width: 1px; border-style: solid; border-color: windowtext;"><p style="text-align:center"><strong><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">名</span> <span style="font-family:'Times New Roman'"> </span>稱</span></strong><strong></strong></p></td><td width="323" valign="center" style="padding: 0px 7px; border-width: 1px; border-style: solid; border-color: windowtext;"><p style="text-align:center"><strong><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">功</span> <span style="font-family:'Times New Roman'"> </span>能</span></strong><strong></strong></p></td></tr><tr><td width="50" 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">(</span><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">1</span></span><span style="font-family:'Times New Roman';font-size:14px">)</span></p></td><td width="151" 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">地端（</span><span style="font-family:Times New Roman">EARTH</span><span style="font-family:宋體">）</span></span></p></td><td width="323" 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">接于被試設(shè)備的外殼或地上。</span></span></p></td></tr><tr><td width="50" 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">(</span><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">2</span></span><span style="font-family:'Times New Roman';font-size:14px">)</span></p></td><td width="151" 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">線路端（</span><span style="font-family:Times New Roman">LINE</span><span style="font-family:宋體">）</span></span></p></td><td width="323" 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">高壓輸出端口，接于被試設(shè)備的高壓導(dǎo)體上。</span></span></p></td></tr><tr><td width="50" 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">(</span><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">3</span></span><span style="font-family:'Times New Roman';font-size:14px">)</span></p></td><td width="151" 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:宋體;font-size:14px"><span style="font-family:宋體">屏蔽端（</span><span style="font-family:Times New Roman">GUARD</span><span style="font-family:宋體">）</span></span></p></td><td width="323" 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:宋體;font-size:14px"><span style="font-family:宋體">接于被試設(shè)備的高壓護(hù)環(huán)，以消除表面泄漏電流的影響。</span></span></p></td></tr><tr><td width="50" 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">(</span><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">4</span></span><span style="font-family:'Times New Roman';font-size:14px">)</span></p></td><td width="151" 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:宋體;font-size:14px"><span style="font-family:宋體">雙排刻度線</span></span></p></td><td width="323" 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:宋體;font-size:14px"><span style="font-family:宋體">上檔為綠色：</span><span style="font-family:Times New Roman">500V/0.2G</span><span style="font-family:宋體">Ω～</span><span style="font-family:Times New Roman">20G</span><span style="font-family:宋體">Ω，</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">1000V/0.4G</span><span style="font-family:宋體">Ω～</span><span style="font-family:Times New Roman">40G</span><span style="font-family:宋體">Ω，</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">2500V/1 G</span><span style="font-family:宋體">Ω～</span><span style="font-family:Times New Roman">100 G</span><span style="font-family:宋體">Ω，</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">下檔為紅色：</span> <span style="font-family:Times New Roman">500V/0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">400M</span><span style="font-family:宋體">Ω，</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">1000V/0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">800 M</span><span style="font-family:宋體">Ω，</span></span></p><p style="text-align:center"><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">2500V/0</span><span style="font-family:宋體">～</span><span style="font-family:Times New Roman">2000 M</span><span style="font-family:宋體">Ω，</span></span></p></td></tr><tr><td width="50" 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">(</span><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">5</span></span><span style="font-family:'Times New Roman';font-size:14px">)</span></p></td><td width="151" 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">綠色發(fā)光二極管</span></span></p></td><td width="323" 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">發(fā)光時(shí)讀綠檔（上檔）刻度。</span></span></p></td></tr><tr><td width="50" 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">(</span><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">6</span></span><span style="font-family:'Times New Roman';font-size:14px">)</span></p></td><td width="151" 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">紅色發(fā)光二極管</span></span></p></td><td width="323" 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">發(fā)光時(shí)讀紅檔（下檔）刻度。</span></span></p></td></tr><tr><td width="50" 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">(</span><span style="font-family:宋體;font-size:14px"><span style="font-family:Times New Roman">7</span></span><span style="font-family:'Times New Roman';font-size:14px">)</span></p></td><td width="151" 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">機(jī)械調(diào)零</span></span></p></td><td width="323" 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">調(diào)整機(jī)械指針位置，使其對(duì)準(zhǔn)</span>∞刻度線。</span></p></td></tr><tr><td width="50" 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:宋體;font-size:14px"><span style="font-family:Times New Roman">(8)</span></span></p></td><td width="151" 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">波段開關(guān)</span></span></p></td><td width="323" 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">可實(shí)現(xiàn)輸出電壓選擇，電池檢測(cè)，電源開關(guān)等功能</span></span></p></td></tr><tr><td width="50" 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:宋體;font-size:14px"><span style="font-family:Times New Roman">(9)</span></span></p></td><td width="151" 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:宋體;font-size:14px"><span style="font-family:宋體">測(cè)試鍵</span></span></p></td><td width="323" 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:宋體;font-size:14px"><span style="font-family:宋體">按下開始測(cè)試，按下后如順時(shí)針旋轉(zhuǎn)可鎖定此鍵</span></span></p></td></tr><tr><td width="50" 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:宋體;font-size:14px"><span style="font-family:宋體">（</span><span style="font-family:Times New Roman">10</span><span style="font-family:宋體">）</span></span></p></td><td width="151" 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">狀態(tài)顯示燈</span></span></p></td><td width="323" 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 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