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<li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>更新時(shí)間：</span>2024-11-02</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>訪問量：</span>2262</li> </ul> <div id="ewidklxnb" class="pro_detail_btn"> <a href="/order.html" class="prodtl_btn1">產(chǎn)品咨詢</a><a href="/contact.html" class="prodtl_btn2">聯(lián)系我們</a> </div> </div> <div id="ewidklxnb" class="clear"></div> </div>  </div> <div id="ewidklxnb" class="lhtab"><span id="ewidklxnb" class="on span1">產(chǎn)品詳情</span><span id="ewidklxnb" class="span2">在線留言</span></div> <div id="ewidklxnb" class="page-procon"> <p><br/><span style="font-size: 16px;"><strong>ZC-90B<strong>高絕緣電阻測量儀（防靜電測量）</strong></strong>是測試電工絕緣材料；電線電纜；防靜電工程電阻測量以及其他電工制品絕緣電阻的理想儀器。本儀器采用了超高阻、微電流器件，具有測量精度高；分辨力強(qiáng)；抗干擾能力強(qiáng)；讀數(shù)穩(wěn)定性好；體積小攜帶、使用方便；電池通用性強(qiáng)的優(yōu)點(diǎn)。<br/><br/>ZC-90B<strong>高絕緣電阻測量儀（防靜電測量）</strong>歷年來被上海電纜研究所認(rèn)證處推薦為生產(chǎn)許可*儀器之一。<br/><br/> </span></p><div id="ewidklxnb" class="tabledivclass" style="width: 99%; float: left;"><table border="0" cellpadding="2" cellspacing="1" class="ke-zeroborder" style="border-collapse: collapse; color: rgb(0, 0, 0); font-family: 宋體; font-size: 12px; line-height: 22px; max-width: 748px; word-break: inherit;" align="left"><tbody><tr class="firstRow"><td colspan="2"><div id="ewidklxnb" class="tabledivclass" style="width: 99%; float: left;"><table border="1" cellpadding="2" cellspacing="1" style="border-collapse: collapse; max-width: 748px; word-break: inherit;" align="left"><tbody><tr class="firstRow"><td><p><span style="font-size: 16px;">型　號</span></p></td><td><p><span style="font-size: 16px;">額定電壓（V）</span></p></td><td><p><span style="font-size: 16px;">量　程（Ω）</span></p></td></tr><tr><td><p><span style="font-size: 16px;">ZC-90</span></p></td><td><p><span style="font-size: 16px;">100；250；500；1000</span></p></td><td><p><span style="font-size: 16px;">105～2×1013</span></p></td></tr><tr><td><p><span style="font-size: 16px;">ZC-90A</span></p></td><td><p><span style="font-size: 16px;">100；250；500；1000</span></p></td><td><p><span style="font-size: 16px;">105～2×1015</span></p></td></tr><tr><td><p><span style="font-size: 16px;">ZC-90B</span></p></td><td><p><span style="font-size: 16px;">10；100；500<br/> 防靜電工程測試儀</span></p></td><td><p><span style="font-size: 16px;">0～2×1012</span></p></td></tr></tbody></table></div></td></tr><tr><td colspan="2" style="word-break: break-all;"><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">絕緣電阻測量使用方法</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;"><img src="https://img60.chem17.com/gxhpic_22d2937a21/c36fe6f24c64508f79f1d71cebba25619e10123b6a1fb5246307244f456a6ddbf7dfc2e817cc7873.jpg" alt="" style="box-sizing: border-box; vertical-align: middle; border: 0px; max-width: 100%; height: auto;"/><br style="box-sizing: border-box;"/></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4.4.1 儀表與被測器件的連接</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">在開始操作前, 儀表電源應(yīng)處于關(guān)閉位置, 在前一次測量結(jié)束后，應(yīng)經(jīng)過30秒左右的內(nèi)部放電時(shí)間, 以確保操作人員免受高壓電擊。</span> </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-size: 16px;">4.4.1.1將被測器件的兩端分別與儀表的高壓輸出端與測量輸入端（黑線紅夾子）相連，保護(hù)環(huán)與屏蔽端（黑線黑夾子）相連，如被測器件無保護(hù)環(huán)則屏蔽端空置。</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">注意：測量輸入端（黑線紅夾子）除了與被測器件連接外，必須懸空，與其他任何物體的接觸將會嚴(yán)重影響高阻測量的準(zhǔn)確性。</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4.4.1.2單芯電線絕緣電阻測量: 將被測電線放入恒溫水箱中（電線兩頭放在水箱外），儀表高壓輸出端通過金屬導(dǎo)體與水接通，測量輸入端（紅）與芯線相連，屏蔽端（黑）空置不用，見圖7。</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4.4.1.3多芯及有金屬外套的電纜絕緣電阻測量：測量輸入端（紅）與被測芯線相連，將其它芯線與外套 ( 電纜屏蔽層 ) 連在一起后與儀表的高壓端連接，屏蔽端（黑）空置不用，見圖8。 </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-size: 16px;">4.4.1.4 防靜電工程表面電阻測量: 與防靜電工程電阻測量標(biāo)準(zhǔn)電極配套使用（選購件），將儀表的高壓輸出端與測量輸入端分別與兩個(gè)電極相連接（屏蔽端空置不用），剝?nèi)ル姌O下表面黑色導(dǎo)電膜上的保護(hù)膜(黃色)后，將兩個(gè)電極相隔一定距離置于被測物體表面（如測量防靜電地板，相隔距離一般為30cm），見圖9。</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">注意：測量過程中不得接觸電極的金屬面，以免受到高壓電擊。</span><span style="box-sizing: border-box; font-size: 16px;">注意保證導(dǎo)電膜表面清潔平整，測量完畢應(yīng)將保護(hù)膜貼上，然后放在光滑平整的表面上，如有臟污，切忌利器檫刮，可以用普通封箱膠帶在導(dǎo)電膜表面粘吸，將臟物粘去。</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;"> 如果被測物體的表面不是平面，則可用導(dǎo)電膠在被測物體表面的相應(yīng)位置涂上兩行平行的膠條，然后將儀表的高壓輸出端與測量輸入端分別與兩個(gè)導(dǎo)電膠條相連接（屏蔽端空置不用）。</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4.4.2 打開電源開關(guān)。</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-size: 16px;">4.4.3將倍率（量程）開關(guān)置于zui低檔位，儀表校零（見4.3.3節(jié)）。</span> </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-size: 16px;">ZC-90、 90A、90D、 90E、90F、90G的zui低倍率為×10</span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">5</span><span style="box-sizing: border-box; font-size: 16px;">Ω，ZC-90B、 90C為×10</span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">4</span><span style="box-sizing: border-box; font-size: 16px;">Ω，</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">電阻測量必須從zui低量程開始，</span><span style="box-sizing: border-box; font-size: 16px;">這是因?yàn)楸粶y物體可能有很大的分布電容，由此導(dǎo)致的充電電流可能會在開始測量的瞬間對儀表高靈敏的輸入端造成危害。</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"> </span><img alt="" src="https://img67.chem17.com/gxhpic_22d2937a21/fb0cc1e1a89f66d9a9b340b07d6a45704e2568fb0de83987bc470e888c1c33bc48d773a4f4073bd7.png" style="box-sizing: border-box; vertical-align: middle; border: 0px; max-width: 100%; height: 218px; margin: 0px; padding: 0px; width: 589px;"/><span style="font-size: 16px;"> <span style="box-sizing: border-box; font-family: 幼圓; font-size: 16px;"> 圖7 測量</span> </span><img alt="" src="https://img61.chem17.com/gxhpic_22d2937a21/fb0cc1e1a89f66d9a9b340b07d6a45708d6eca0d69daa43881e099d5133d06f09139ff68fcd5b4ed.png" style="box-sizing: border-box; vertical-align: middle; border: 0px; max-width: 100%; height: 218px; margin: 0px; padding: 0px; width: 568px;"/><span style="font-size: 16px;"> <span style="box-sizing: border-box; font-family: 幼圓; font-size: 12pt; line-height: 1.6em; text-align: center;">圖8 多芯電纜測量</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><img alt="" src="https://img67.chem17.com/gxhpic_22d2937a21/fb0cc1e1a89f66d9a9b340b07d6a457073637e02471d709651c7031691a9a601b6e89898bdb69386.png" style="box-sizing: border-box; vertical-align: middle; border: 0px; max-width: 100%; height: 188px; margin: 0px; padding: 0px; width: 589px;"/></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255); text-align: center;"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;"> 圖9 防靜電工程表面電阻測量</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">其中：</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">1. 儀表高壓輸出端 10. 被測單芯電纜</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">2. 儀表測量輸入端 11. 被測芯線</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">3. 屏蔽端夾子 (黑線黑夾子) 12. 其他芯線</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4. 輸入端夾子 (黑線紅夾子) 13. 連接線</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">5. 高壓端夾子 (紅線紅夾子，90G為黑色屏蔽線) 14. 電纜屏蔽層（或金屬外套）</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">6. 連接線 15. 被測多芯電纜</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">7. 金屬導(dǎo)體 16. 防靜電工程電阻測量標(biāo)準(zhǔn)電極</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">8. 恒溫水浴箱 (圖中未包括恒溫部分) 17. 導(dǎo)電膜</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">9. 水 18. 被測材料</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"> </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"> </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"> </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4.4.4 選擇合適的測量電壓</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-size: 16px;"> 測量電壓的選擇是由被測物體的特性以及測量本身的技術(shù)規(guī)范而確定的, 不同的測量電壓可能導(dǎo)致不同的測量結(jié)果，這是因?yàn)榻^緣體的導(dǎo)電機(jī)理與金屬的導(dǎo)電機(jī)理有本質(zhì)上的不同，因此，除了特制的標(biāo)準(zhǔn)電阻外，一般的被測對象都有較高的負(fù)電壓系數(shù)，即測量電壓越高，電阻讀數(shù)越小。將高壓選擇開關(guān)撥至相應(yīng)的電壓檔位就可以獲得所需的測量電壓。</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">注意：由于儀表內(nèi)部高壓電容的儲能較大，內(nèi)部放電時(shí)間要30秒左右，因此從一種測量電壓時(shí)改變?yōu)榱硪环N測量電壓時(shí)，功能開關(guān)必須先放在“放電調(diào)零"檔位，30秒后才能開始新選擇的電壓的測量，否則測量電壓可能大幅度高于額定值，損壞被測器件，在電壓未到達(dá)額定值之前，儀表讀數(shù)也不正確。</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4.4.5倍率（量程）選擇</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;"> （ZC-90，90A，90B，90C）將功能開關(guān)（16）由“調(diào)零"檔經(jīng)“放電"、“充電"檔撥至“測量"檔位, 測量電壓施加在被測對象上，電阻測量開始；</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;"> ZC-90（新版）、90D、90E，90F將將高壓（校零）選擇開關(guān)（15）由“放電校零"檔經(jīng)“充電"檔撥至所選的電壓檔位，測量電壓施加在被測對象上，電阻測量開始；</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;"> ZC-90G將“電池</span><span style="font-size: 16px;">—</span><span style="font-size: 16px;">測量"選擇開關(guān)（20）撥至“測量"檔位，將 “電流</span><span style="font-size: 16px;">—</span><span style="font-size: 16px;">電阻"選擇開關(guān)（21）撥至“電阻"檔位，此時(shí)顯示屏上出現(xiàn)“R（Ω）"字符，說明儀表進(jìn)入電阻測量狀態(tài)，將高壓（校零）選擇開關(guān)（15）由“000" （校零、放電）檔撥至所選的電壓檔位，測量電壓施加在被測對象上，電阻測量開始。</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;"> 注意觀察儀表示值，如顯示屏出現(xiàn)“1</span><span style="font-size: 16px;">—</span><span style="font-size: 16px;">"（單一個(gè)“1"字后面沒讀數(shù)）說明儀表量程過小。逐步將倍率（量程）開關(guān)按順時(shí)針方向旋轉(zhuǎn)，當(dāng)儀表出現(xiàn)讀數(shù)后應(yīng)立即停止轉(zhuǎn)動(dòng)。通常, </span></span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">儀表示值應(yīng)在100個(gè)字至1999個(gè)字之間（忽略小數(shù)點(diǎn)）</span><span style="box-sizing: border-box; font-size: 16px;">，如果示值小于100個(gè)字，可以將倍率（量程）開關(guān)按逆時(shí)針方向旋轉(zhuǎn)一檔, 以求得準(zhǔn)確度與分辨力。如顯示屏上出現(xiàn)“</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">:</span><span style="box-sizing: border-box; font-size: 16px;">"符號（ZC-90，90A，90B，90C）或“×"符號（ZC-90新、90D、90E、90F、90G）及報(bào)警蜂鳴聲（ZC-90G），說明儀表處于量程過大狀態(tài)，應(yīng)迅速將量程（倍率）開關(guān)逆時(shí)針方向旋轉(zhuǎn)，如在zui低倍率檔仍出現(xiàn)“ </span>: <span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">"或“×"符號，說明被測器件短路，請速將開關(guān)撥至“校零"</span><span style="font-size: 16px;">“放電校零"或“.000"</span><span style="font-size: 16px;">檔位，斷開電阻測量回路。注意：</span></span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">出現(xiàn)</span><span style="box-sizing: border-box; font-size: 16px;">“ </span>: <span style="box-sizing: border-box; font-size: 16px;">"</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">或“×"符號時(shí)，儀表讀數(shù)無效。儀表輸入端受到過電流的沖擊，零位可能暫時(shí)偏移，通常放置一段時(shí)間可以恢復(fù)。</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">被測對象的絕緣電阻 = 儀表示值×倍率 </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4.4.6 被測器件放電</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"> <span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">測量結(jié)束后，（ZC-90，90A，90B，90C）將功能開關(guān)（16）撥至“放電"或“校零"位置；（</span><span style="font-size: 16px;">ZC-90新、90D、</span><span style="font-size: 16px;">90E、90F、90G）將開關(guān)（15）撥至“.000"檔位，斷開測量電壓，并接通放電回路，經(jīng)過15</span><span style="font-size: 16px;">—</span><span style="font-size: 16px;">20 秒，被測器件充分放電后，操作人員方可接觸高壓端與測量端。 </span></span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-family: 幼圓; box-sizing: border-box; font-size: 16px;">4.4.7 電線電纜每公里長度絕緣電阻按下式換算 </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"> <span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: 微軟雅黑;"><em style="box-sizing: border-box;"><span style="box-sizing: border-box; font-size: 16px;">R</span></em><em style="box-sizing: border-box;"><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; bottom: -0.25em; font-size: 16px;">L</span></em><em style="box-sizing: border-box;"><span style="box-sizing: border-box; font-size: 16px;"> = R</span></em><em style="box-sizing: border-box;"><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; bottom: -0.25em; font-size: 16px;">X </span></em><em style="box-sizing: border-box;"><span style="box-sizing: border-box; font-size: 16px;">L</span></em></span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-size: 16px;">式中:</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: 微軟雅黑;"><em style="box-sizing: border-box;"><span style="box-sizing: border-box; font-size: 16px;"> R</span></em><em style="box-sizing: border-box;"><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; bottom: -0.25em; font-size: 16px;">L</span></em></span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">—</span><span style="font-size: 16px;">每公里長度絕緣電阻，MΩ</span></span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">·</span> <span style="box-sizing: border-box; font-size: 16px;">km ; </span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: 微軟雅黑;"><em style="box-sizing: border-box;"><span style="box-sizing: border-box; font-size: 16px;">R</span></em><em style="box-sizing: border-box;"><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; bottom: -0.25em; font-size: 16px;">X</span></em></span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">—</span><span style="font-size: 16px;">試樣絕緣電阻，MΩ；</span></span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: 微軟雅黑;"><em style="box-sizing: border-box;"><span style="box-sizing: border-box; font-size: 16px;">L</span></em></span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">—</span><span style="font-size: 16px;">試樣長度，km</span></span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"><span style="box-sizing: border-box; font-size: 16px;">4.5 </span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">電阻測量各量程有效測量范圍及zui高分辨力</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);"><span style="font-size: 16px;"> <span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">各量程范圍除了與倍率有關(guān)以外還與不同測量電壓時(shí)小數(shù)點(diǎn)的位置有關(guān)，</span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">如小數(shù)點(diǎn)在zui高位，測量范圍為（0.100-1.999）</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">倍率，例：被測電阻在1.5</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">10</span></span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">9</span><span style="box-sizing: border-box; font-size: 16px;">Ω左右，倍率應(yīng)選10</span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">9</span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">Ω，電阻在3</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">10</span></span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">9</span><span style="box-sizing: border-box; font-size: 16px;">Ω，倍率應(yīng)選10</span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">10</span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">Ω，儀表示值為0.300</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">10</span></span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">10</span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">Ω；如小數(shù)點(diǎn)在第2位，測量范圍為（1.00-19.99）</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">倍率；如小數(shù)點(diǎn)在第3位，測量范圍為（10.0-199.9）</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">倍率，例：被測電阻在1.5</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">10</span></span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">9</span><span style="box-sizing: border-box; font-size: 16px;">Ω，倍率可選10</span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">8</span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">Ω，儀表示值為15.0</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">10</span></span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">8</span><span style="box-sizing: border-box; font-size: 16px;">Ω，倍率也可選10</span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">8</span><span style="box-sizing: border-box; font-size: 12pt;"><span style="font-size: 16px;">Ω，儀表示值為150.0</span><span style="font-size: 16px;">×</span><span style="font-size: 16px;">10</span></span><span style="box-sizing: border-box; vertical-align: baseline; position: relative; line-height: 0; top: -0.5em; font-size: 16px;">7</span><span style="box-sizing: border-box; font-size: 16px;">Ω,分辨率更高；除了zui低量程外，儀表的其他量程并非從0開始，下列各表規(guī)定了各量程的有效測量范圍，及各測量電壓下的zui高分辨力, 注意：當(dāng)儀表讀數(shù)小于表中所列數(shù)值時(shí)，</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">只要顯示屏上不出現(xiàn)</span><span style="box-sizing: border-box; font-size: 16px;">“ </span>: <span style="box-sizing: border-box; font-size: 16px;">"</span><span style="box-sizing: border-box; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; font-family: 微軟雅黑; font-size: 16px;">或“×"符號，讀數(shù)仍然有效</span><span style="box-sizing: border-box; font-size: 16px;">。</span></span></p></td></tr><tr><td colspan="2"><div id="ewidklxnb" class="tabledivclass" style="width: 99%; float: left;"><table cellpadding="2" cellspacing="1" style="border-collapse: collapse; max-width: 748px; word-break: inherit;" align="left"><tbody><tr class="firstRow"><td><span style="font-size: 16px;">基本誤差</span></td></tr><tr><td><span style="font-size: 16px;">　　　　　　±（1%讀數(shù)+2字） Rx≤107Ω<br/> ±（3%讀數(shù)+2字）1010Ω≥Rx≤107Ω<br/> ±（5%讀數(shù)+2字）1012Ω≥Rx≤1010Ω <br/> ±（10%讀數(shù)+2字）1014Ω≥Rx &1012Ω<br/> ±（20%讀數(shù)+10字） &1014Ω<br/> 測量定時(shí)時(shí)間：1min～7min</span></td></tr></tbody></table></div></td></tr><tr><td colspan="2"><br/></td></tr><tr><td colspan="2"><div id="ewidklxnb" class="tabledivclass" style="width: 99%; float: left;"><table cellpadding="2" cellspacing="1" style="border-collapse: collapse; max-width: 748px; word-break: inherit;" align="left"><tbody><tr class="firstRow"><td><br/></td><td><span style="font-size: 16px;">電　　源：1.2V（可充電電池）×8或1.5V（普通電池）×8<br/> 使用環(huán)境：0～40℃　85%RH（25℃）<br/> 體　　積：270mm×250mm×100mm<br/> 重　　量：2Kg</span></td></tr></tbody></table></div></td></tr></tbody></table></div><p><br/><span style="color: rgb(0, 0, 0); font-family: 宋體; font-size: 16px;"> </span></p><div id="ewidklxnb" class="tabledivclass" style="width: 99%; float: left;"><table border="0" cellpadding="2" cellspacing="1" class="ke-zeroborder" style="border-collapse: collapse; color: rgb(0, 0, 0); font-family: 宋體; font-size: 12px; line-height: 22px; max-width: 748px; word-break: inherit;" align="left"><tbody><tr class="firstRow"><td colspan="2"><span style="font-size: 16px;">版</span></td></tr><tr><td colspan="2"><span style="font-size: 16px;">　　ZC-90系列高絕緣電阻測量儀（數(shù)字式高阻計(jì)，原名：ZC-90系列絕緣電阻測試儀）執(zhí)行標(biāo)準(zhǔn)：Q/AEXJ2</span></td></tr><tr><td colspan="2"><div id="ewidklxnb" class="tabledivclass" style="width: 99%; float: left;"><table border="1" cellpadding="2" cellspacing="1" style="border-collapse: collapse; max-width: 748px; word-break: inherit;" align="left"><tbody><tr class="firstRow"><td><span style="font-size: 16px;">型號、名稱　</span></td><td colspan="5"><span style="font-size: 16px;">基本參數(shù)、用途</span></td><td><span style="font-size: 16px;">出廠價(jià)</span></td><td colspan="3"><span style="font-size: 16px;">主要功能特點(diǎn)</span></td></tr><tr><td><span style="font-size: 16px;">ZC-90高絕緣電阻測量儀（新版）</span></td><td colspan="5"><span style="font-size: 16px;">額定電壓：100V、250V、500V、1000V。<br/> 量程：105—2×1014Ω、zui高分辨力1000Ω。<br/> 用途：高絕緣電阻測量，高值電阻器、電工器材、電氣設(shè)備、電線電纜絕緣電阻測量。</span></td><td><span style="font-size: 16px;">　</span></td><td colspan="3" rowspan="5"><span style="font-size: 16px;">國內(nèi)*的數(shù)字顯示便攜式高阻計(jì)，采用電池或外接電源供電，具有測量準(zhǔn)確度高，抗干擾能力強(qiáng)、讀數(shù)穩(wěn)定性好等特點(diǎn)，技術(shù)性能全面滿足國家標(biāo)準(zhǔn)GB/T3048.5規(guī)定電線電纜電阻實(shí)驗(yàn)的要求，已有數(shù)千臺應(yīng)用于電線電纜廠的實(shí)驗(yàn)室及生產(chǎn)現(xiàn)場。31/2位數(shù)字顯示（帶背光照明），基本誤差：±1％，內(nèi)置定時(shí)器，可預(yù)置測量時(shí)間。<br/> 體積：280×240×105mm，<br/> 重量：2.5kg。<br/> ZC-90G<br/> 體積：320×290×115mm</span></td></tr><tr><td><span style="font-size: 16px;">ZC-90D高絕緣電阻測量儀、替代原ZC-90B、ZC-90C</span></td><td colspan="5"><span style="font-size: 16px;">額定電壓：10V、50V、100V、500V。<br/> 量程：0—2×1013Ω、zui高分辨力100Ω。<br/> 用途：全功能的防靜電電阻測量設(shè)備?！?/span></td><td><span style="font-size: 16px;">　</span></td></tr><tr><td><span style="font-size: 16px;">ZC-90E高絕緣電阻測量儀替代原ZC-90A</span></td><td colspan="5"><span style="font-size: 16px;">額定電壓：100V、250V、500V、1000V。<br/> 量程：0—2×1016Ω、zui高分辨力1000Ω。<br/> 用途：超高絕緣電阻測量，普通電線電纜及交聯(lián)聚乙烯電纜測量、絕緣材料電阻率測量。</span></td><td><span style="font-size: 16px;">　</span></td></tr><tr><td><span style="font-size: 16px;">ZC-90F高絕緣電阻測量儀</span></td><td colspan="5"><span style="font-size: 16px;">量程zui高達(dá)到2×1017Ω，其他與ZC-90E相同，是取代ZC36指針式高阻計(jì)的*儀表。</span></td><td><span style="font-size: 16px;">　</span></td></tr><tr><td><span style="font-size: 16px;">ZC-90G高絕緣電阻測量儀</span></td><td colspan="5"><span style="font-size: 16px;">額定電壓：10V、25V、50V、100V、250V、500V、1000V。<br/> 電阻量程：0—2×1017Ω、zui高分辨力100Ω。<br/> 電流量程：0.1fA(10-16A)-199.9μA<br/> 用途：超高絕緣電阻測量，普通電線電纜及交聯(lián)聚乙烯電纜測量、絕緣材料電阻率測量。微弱電流測量、電子元器件測量，光電測量、生物電力測量、原子能研究等。<br/> </span></td><td colspan="1"><br/></td></tr></tbody></table></div></td></tr></tbody></table></div><p><br/></p><p><br/></p> <div id="ewidklxnb" class="pagetb"> <p> 上一條：<a href="/Products-24959408.html">ZC-90G系列高絕緣電阻測量儀</a></p> <p> 下一條：<a href="/Products-24959654.html">ZC-90系列高絕緣電阻測量儀</a></p> </div> </div> <div id="ewidklxnb" class="page-messages" style="display: none;"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" 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