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class="inside_rnewtil">ST2677超高壓耐壓測試儀使用說明工作原理</h1> <div id="1571n5fppxr7" class="inside_rnewtime">點(diǎn)擊次數(shù)：1628 更新時(shí)間：2017-10-18</div> <div id="1571n5fppxr7" class="inside_rnewcon"><p style="margin-left:-0.1000pt; text-align:center"><strong><span style="font-size:14pt"><span style="font-family:黑體">ST2677超高壓耐壓測試儀使用說明</span></span></strong></p><p style="text-align:center"><strong><span style="font-size:14pt"><span style="font-family:黑體">一、概述</span></span></strong></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">ST267</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">6/<strong><a >ST2677型自動(dòng)耐壓測試儀</a></strong>是交直流高壓安全測量儀器，廣泛用于電子儀器、電子設(shè)備、電子元器件、電工器材、膠木電器、橡膠、高壓電纜和電機(jī)等耐壓測試，也適用于家用電器的耐壓測試。</span></span></p><p style="text-align:center"><strong><span style="font-size:14pt"><span style="font-family:黑體">二、主要技術(shù)條件</span></span></strong></p><table style="border-collapse:collapse; margin-left:5.4000pt; width:648px"><tbody><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體"> 型號(hào)</span></span></strong></p><p><strong><span style="font-size:9pt"><span style="font-family:黑體">參數(shù)</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p><strong><span style="font-size:10.5pt"><span style="font-family:宋體">ST2676</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p><strong><span style="font-size:10.5pt"><span style="font-family:宋體">ST2677</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">測試電壓</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">AC/DC 0～30（kV）</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">AC/DC 0～50（kV）</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">電壓精度</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">10kV～30kV</span></span></strong><strong><span style="font-size:9pt"><span style="font-family:黑體">±</span></span></strong><strong><span style="font-size:9pt"><span style="font-family:黑體">5%</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">10kV～50kV</span></span></strong><strong><span style="font-size:9pt"><span style="font-family:黑體">±</span></span></strong><strong><span style="font-size:9pt"><span style="font-family:黑體">5%</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">漏電流范圍</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">AC 0～20（mA） DC 0～10（mA）</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">AC/DC 0～10（mA）</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">漏電流誤差</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">AC 0.2～20（mA）±5% DC 0.2～10（mA）±5%</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">AC/DC 0.2～10（mA）±5%</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">輸出波形</span></span></strong></p></td><td colspan="2" style="vertical-align:center; width:552px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">50Hz正弦波形或直流</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">時(shí)間控制</span></span></strong></p></td><td colspan="2" style="vertical-align:center; width:552px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">數(shù)顯 1～99（s）±5% 手控∞ 任意預(yù)置</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">輸出功率</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">600VA</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">500VA</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">顯示方式</span></span></strong></p></td><td colspan="2" style="vertical-align:top; width:552px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">全數(shù)顯</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">測試判別</span></span></strong></p></td><td colspan="2" style="vertical-align:center; width:552px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">合格/不合格不合格聲光報(bào)警</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">環(huán)境要求</span></span></strong></p></td><td colspan="2" style="vertical-align:center; width:552px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">相對(duì)濕度：≤75%RH 環(huán)境溫度： 0～40℃</span></span></strong></p><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">周圍無強(qiáng)力電磁場干擾源；無大量灰塵和腐蝕性氣體；通風(fēng)良好</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">靜態(tài)功耗</span></span></strong></p></td><td colspan="2" style="vertical-align:top; width:552px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">＜50VA</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">重量</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">約35kg</span></span></strong></p></td><td style="vertical-align:center; width:276px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">約55kg</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">體積</span></span></strong></p></td><td colspan="2" style="vertical-align:center; width:552px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">主機(jī)：350×280×150 變壓器：620×370×750</span></span></strong></p></td></tr><tr><td style="vertical-align:center; width:96px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">電源</span></span></strong></p></td><td colspan="2" style="vertical-align:center; width:552px"><p style="text-align:center"><strong><span style="font-size:9pt"><span style="font-family:黑體">AC 220V±10% 50Hz±5%</span></span></strong></p></td></tr></tbody></table><p style="text-align:center"><strong><span style="font-size:14pt"><span style="font-family:黑體">三、工作原理</span></span></strong></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">ST267</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">6</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">/ST</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">2677</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">自動(dòng)耐壓測試儀，是自動(dòng)升壓測試儀器，其輸出電壓、定時(shí)時(shí)間、漏電流根據(jù)需要進(jìn)行預(yù)置（電壓預(yù)置后恢復(fù)），然后啟動(dòng)，當(dāng)輸出電壓達(dá)到預(yù)置電壓，按定時(shí)啟動(dòng)按鈕，數(shù)字定時(shí)器根據(jù)預(yù)置的時(shí)間開始計(jì)數(shù)，定時(shí)時(shí)間到達(dá)后，高壓變壓器電源切斷，調(diào)壓器自動(dòng)回零。當(dāng)被測件不合格發(fā)生報(bào)警時(shí)，高壓變壓器電源自動(dòng)切斷，調(diào)壓器也自動(dòng)回零。</span></span></p><p><strong><span style="font-size:10.5pt"><span style="font-family:黑體">1．工作原理方框圖：</span></span></strong>　</p><p> <img alt="" src="http://img55.chem17.com/9/20171018/636439131294411722461.png" style="height:171px; width:676px" /></p><p><strong><span style="font-size:10.5pt"><span style="font-family:黑體"> 圖(1):<a >超高壓耐壓儀</a></span></span><a ><span style="font-size:10.5pt"><span style="font-family:黑體">工作原理方框圖</span></span></a></strong></p><p><br /><strong><span style="font-size:10.5pt"><span style="font-family:黑體">2．框圖各部分描述：</span></span></strong></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">⑴ 繼電器Q1：Q1的作用是控制輸出電壓的接通或切斷。繼電器的釋放與吸合由控制器控制。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">⑵ 電壓調(diào)節(jié)器：用帶電機(jī)的1</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">.5k</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">V</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">A</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">調(diào)壓變壓器改變電壓。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">⑶ 高壓變壓器：按照比率升高電壓調(diào)節(jié)器的輸出電壓，而得到高壓。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">⑷ 電流檢測器：這部分由檢出電流轉(zhuǎn)換成電壓，然后再與參考電壓相比較而成。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">⑸ 控制器：控制器由NE556驅(qū)動(dòng)繼電器Q1、Q2。</span></span></p><p style="margin-left:26.9500pt"><span style="font-size:10.5000pt"><span style="font-family:宋體">⑹ 定時(shí)器：本定時(shí)器是數(shù)字定時(shí)，由CD4060振蕩及分頻為IS的信號(hào)，一路信號(hào)送可逆計(jì)數(shù)器作定時(shí)預(yù)置，一路信號(hào)通過控制器作定時(shí)計(jì)數(shù)，當(dāng)測試電壓達(dá)到預(yù)置電壓后，按定時(shí)啟動(dòng)鈕定時(shí)器開始計(jì)數(shù)，并與定時(shí)預(yù)置時(shí)間比較，相同后輸出電平，使控制電路斷開高壓輸出，從而達(dá)到定時(shí)的目的。</span></span></p><p style="margin-left:26.9500pt"><span style="font-size:10.5000pt"><span style="font-family:宋體">⑺ 報(bào)警：在測試過程中，泄漏電流超過所設(shè)定的漏電流預(yù)置后，由驅(qū)動(dòng)塊NE556推動(dòng)蜂鳴器及超漏燈發(fā)出聲光報(bào)警，同時(shí)自動(dòng)切斷高壓。</span></span></p><p style="margin-left:26.9500pt"><span style="font-size:10.5000pt"><span style="font-family:宋體">⑻ 比較控制器：比較控制器由預(yù)置的參考電壓與被自動(dòng)上升的高壓進(jìn)行比較而控制電機(jī)，使調(diào)壓變壓器升壓或降壓。</span></span></p><p style="margin-left:26.9500pt"><span style="font-size:10.5000pt"><span style="font-family:宋體">⑼ 電壓預(yù)置：電壓預(yù)置是先將所需要測試電壓進(jìn)行預(yù)置，即按下預(yù)置開關(guān)，旋動(dòng)“調(diào)節(jié)”旋鈕使電壓表指示所需要測試電壓將預(yù)置開關(guān)恢復(fù)，按啟動(dòng)開關(guān)，電壓表即顯示自動(dòng)上升的電壓，此電壓就是所要的測試電壓，測試完畢后，按復(fù)位鈕，調(diào)壓器自動(dòng)為零。</span></span></p><p style="margin-left:17.8500pt; text-align:center"><strong><span style="font-size:14pt"><span style="font-family:黑體">四、儀器面板結(jié)構(gòu)及說明</span></span></strong></p><p><strong><span style="font-size:10.5pt"><span style="font-family:黑體">1．ST2676/ST2677系列<a >超高壓耐壓測試儀</a>面板結(jié)構(gòu)見圖（2）和圖（3）所示:</span></span></strong></p><p> <img alt="" src="http://img56.chem17.com/9/20171018/636439131877072746353.png" style="height:256px; width:546px" /></p><p style="text-align:center"><strong><span style="font-size:10.5pt"><span style="font-family:黑體">圖（2）全數(shù)顯超高壓耐壓儀前面板示意圖</span></span></strong></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">1</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“電源”開關(guān)：在打開此開關(guān)前，一定要看“使用注意事項(xiàng)”及“使用方法”。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">2</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“啟動(dòng)”按鈕：當(dāng)儀器不處于“超漏”狀態(tài)時(shí)，按此按鈕后，“測試”燈即點(diǎn)亮，電壓升至預(yù)置值。</span></span></p><p style="margin-left:35.8500pt"><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">3</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“復(fù)位”按鈕：耐壓測試結(jié)束后，按此鈕，使輸出電壓復(fù)位（即斷開電）。當(dāng)超漏報(bào)警時(shí)，按此鈕可清除報(bào)警。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">4</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“預(yù)置</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">/</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">測量”按鈕：切換</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">mA</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">、</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">kV</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">顯示值為預(yù)置值或測量值。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">5</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">2mA</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">”按鍵：漏電流測量檔位鍵，用于選擇電流測量范圍</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">0</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">～</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">2</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">(</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">mA</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">)。</span></span></p><p style="margin-left:35.8500pt"><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">6</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">20mA</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">”按鍵：漏電流測量檔位鍵，在</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">2</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">mA～</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">20mA</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">內(nèi)任意選擇。其中</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">ST2677</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">為：“1</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">0mA</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">”按鍵，漏電流測量在</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">2</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">mA～10</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">m</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">A內(nèi)任意選擇。</span></span></p><p style="margin-left:35.8500pt"><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">7</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“交/直轉(zhuǎn)換”按鍵：選擇</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">AC</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">或</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">DC</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">測試，按進(jìn)為</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">DC</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">測試，彈出為</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">AC</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">測試，不可同時(shí)進(jìn)行</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">AC</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">或</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">DC</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">測試。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">8</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）顯示屏：用于顯示定時(shí)時(shí)間、漏電流值和電壓值。</span></span></p><p style="margin-left:35.8500pt"><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">9</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“測試”燈：此燈亮表示高壓送到輸出端。燈滅即高壓斷開，但斷開后電壓表顯示為“00</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">.</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">0”時(shí)，不等于高壓端沒有高壓輸出，在直流方式下進(jìn)行測試時(shí)，測試完畢后必須放電。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">10</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“超漏”燈：被測物中電流大于漏電流所預(yù)置值時(shí)，此燈會(huì)亮。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">11</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“電流調(diào)節(jié)”旋紐：用來調(diào)節(jié)漏電流上限預(yù)置值。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">12</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“電壓調(diào)節(jié)”旋紐：用于預(yù)置測試時(shí)所用的電壓。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">13</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）“定時(shí)啟動(dòng)”按鈕：用于定時(shí)啟動(dòng)。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">14</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">）定時(shí)器：用于設(shè)置測試電壓的輸出連續(xù)時(shí)間，可在1～</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">99(s)</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">內(nèi)任選。</span></span></p><p style="margin-left:21.0000pt"> <img alt="" src="http://img64.chem17.com/9/20171018/636439132459109768805.png" style="height:240px; width:525px" /></p><p style="text-align:center"><strong><span style="font-size:10.5pt"><span style="font-family:黑體">圖（3）全數(shù)顯超高壓耐壓儀后面板示意圖</span></span></strong></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">1</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">5）“控制接口”：與高壓變壓器相連，用于控制高壓變壓器。</span></span></p><p><strong><span style="font-size:10.5pt"><span style="font-family:宋體">（</span></span></strong><strong><span style="font-size:10.5pt"><span style="font-family:宋體">1</span></span></strong><strong><span style="font-size:10.5pt"><span style="font-family:宋體">6）“接地端”：接高壓變壓器接地端</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋體">.</span></span></p><p><strong><span style="font-size:10.5pt"><span style="font-family:宋體">（</span></span></strong><strong><span style="font-size:10.5pt"><span style="font-family:宋體">1</span></span></strong><strong><span style="font-size:10.5pt"><span style="font-family:宋體">7）“接地端”：儀器外殼應(yīng)可靠接地。</span></span></strong></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">（</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">1</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">8）“電源插座”：輸入</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">AC220V</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">、</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">50Hz</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">電流，裝10</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">A</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">保險(xiǎn)絲一只。</span></span></p></div> <div id="1571n5fppxr7" class="inside_newsthree"> <p id="newsprev">上一篇：<b class="newsprev"><a href="/Article-1375165.html">ST2677超高壓耐壓測試儀使用方法</a></b></p> <p id="newsnext">下一篇：<b class="newsnext"><a href="/Article-1375134.html">AGG-100KV高壓硅膠線結(jié)構(gòu)技術(shù)參數(shù)</a></b></p> <span><a 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