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id="quimsyk" class="inside_rnewtime">點擊次數(shù)：1265 更新時間：2019-09-01</div> <div id="quimsyk" class="inside_rnewcon"><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;"><span style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent; font-size:13px; margin:0px"><strong style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent; margin:0px">2500V電阻表絕緣電阻測試儀-三級承修設(shè)施</strong></span>使用方法</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">1.測量前必須將被測設(shè)備電源切斷，并對地短路放電。決不能讓設(shè)備帶電進行測量，以保證人身和設(shè)備的安全。對可能感應(yīng)出高壓電的設(shè)備，必須消除這種可能性后，才能進行測量。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">2.被測物表面要清潔.減少接觸電阻，確保測量結(jié)果的正確性。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">3.測量前應(yīng)將兆歐表進行一次開路和短路試驗，檢查兆歐表是否良好。即在兆歐表未接上被測物之前.搖動手柄使發(fā)電機達到額定轉(zhuǎn)速(120r/min)，觀察指針是否指在標尺的"∞"位置。將接線柱"線(L)和地(E)"短接，緩慢搖動手柄，觀察指針是否指在標尺的"0"位。如指針不能指到該指的位置，表明兆歐表有故障.應(yīng)檢修后再用。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">4.兆歐表使用時應(yīng)放在平穩(wěn)、牢固的地方，且遠離大的外電流導體和外磁場。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;"><span style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent; font-size:13px; margin:0px"><strong style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent; margin:0px">2500V電阻表絕緣電阻測試儀-三級承修設(shè)施</strong></span>注意事項</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">1.禁止在雷電時或高壓設(shè)備附近測絕緣電阻，只能在設(shè)備不帶電.也沒有感應(yīng)電的情況下測量。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">2.搖測過程中.被測設(shè)備上不能有人工作。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">3.兆歐表線不能絞在一起.要分開。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">4.兆歐表未停止轉(zhuǎn)動之前或被測設(shè)備未放電之前.嚴禁用手觸及。拆線時，也不要觸及引線的金屬部分。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">5.測量結(jié)束時.對于大電容設(shè)備要放電。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">產(chǎn)品參數(shù)：</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">輸出電壓 500VDC 1000VDC 2500VDC 5000VDC</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">精度溫度 23℃±5℃<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />絕緣電阻 1MΩ～20GΩ±5% 2MΩ～40GΩ±5% 5MΩ～100GΩ±5% 10MΩ～200GΩ±5%<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />輸出電壓 4MΩ～20GΩ0～+10% 8MΩ～40GΩ0～+10% 20MΩ～100GΩ0～+10% 40MΩ～200GΩ0～+10%<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />高壓短路電流 ≥3.5mA<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />工作電源 8節(jié)AA型充電電池，外置充電適配器<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />工作溫度及濕度 -10℃～40℃，大相對濕度85%<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />保存溫度及濕度 -20℃～60℃，大相對濕度90%<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />絕緣性能電路與外殼間電壓為1000V DC時，大2000MΩ<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />耐壓性能電路與外殼間電壓為2500V AC時，承受1分鐘<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px;" />尺寸 260×200×170mm3(L×W×H)</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">操作方法：</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">1. 開啟電源開關(guān)“ON”，選擇所需電壓等級，輕按一下指示燈亮代表所選電壓檔，輕按一下高壓啟停鍵，高壓指示燈亮，LCD顯示的穩(wěn)定數(shù)值即為被測的絕緣電阻值，關(guān)閉高壓時只須按一下高壓啟停鍵，關(guān)閉整機電源時按一下“OFF”鍵。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">2. 測量絕緣電阻時，先將被試品與其他電源斷開，短路放電，將儀表所配備的測試線按圖依次連接，紅色測試線插入儀表“E”端，另一端與被試品的接地點或外殼相接。將黑色屏蔽線的白色芯線插入儀表的線路“L”端，另一端和被試品與大地絕緣的導電部分相接。若需要保護環(huán)時，可將黑色屏蔽線的黑色芯線插入儀表的“G”端，另一端與被試品屏蔽部分或不參加測量的部分相接。（注：測量過程中，由于絕緣物產(chǎn)生電極化現(xiàn)象，會引起絕緣值讀數(shù)漂移、跳動，屬正常現(xiàn)象。）</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">測量電氣產(chǎn)品的元件之間的絕緣電阻時，可將“L”和“E”端接在任一組線上進行。如測量發(fā)動機相間絕緣時，三組可輪流交換，空出的一相應(yīng)安全接地。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">3. 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