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id="1571n5fppxr7" class="bt">簡要描述：</div> <p>ZC1681揚(yáng)聲器功率壽命測試系統(tǒng)是由C1681B+ZC6221噪聲發(fā)生器/濾波器組成的自動測試系統(tǒng)，該系統(tǒng)符合B9396-1996,GB/T14475-93,GB6832-86標(biāo)準(zhǔn)（本標(biāo)準(zhǔn)參照采用IEC268-5之《聲系統(tǒng)設(shè)備第五部分：揚(yáng)聲器》）關(guān)于揚(yáng)聲器及其系統(tǒng)功率測試的要求，用以測量揚(yáng)聲器及其系統(tǒng)的Z大噪聲功率/Z大噪聲電壓、長期Z大功率/長期Z大電壓、短期Z大功率/短期Z大電壓。</p> </div> <p><strong>型號：</strong>ZC1681</p> <p><strong>瀏覽量：</strong>1194</p> <p><strong>更新時間：</strong>2024-10-25</p> <p><strong>價格：</strong><a href="#order"><img src=/images/cankaojia.gif border=0></a></p> <a href="#tagContent1" class="gwc_an2 lightbox" style=" float:left;" rel="group1">在線留言</a> </div> <div class="1571n5fppxr7" id="preview"> <div id="1571n5fppxr7" class="jqzoom"><a target="_blank"><img id="bigImg" src="http://img51.chem17.com/gxhpic_c8334a7b44/73772409919cd492ed550dc7c68377cd59dbb59aeec3bfde7c547c1e96fd69a7d4c2f64906437c87.png" onload="AutoResizeImage(320,320,this)" jqimg="http://img51.chem17.com/gxhpic_c8334a7b44/73772409919cd492ed550dc7c68377cd59dbb59aeec3bfde7c547c1e96fd69a7d4c2f64906437c87.png" alt="揚(yáng)聲器功率壽命測試系統(tǒng)"></a></div> </div> </div>  <div class="1571n5fppxr7" id="ny_pro_box02"> <div class="1571n5fppxr7" id="con"> <ul id="tags"> <li id="1571n5fppxr7" class="selectTag"><a onmouseover="selectTag('tagContent0',this)" href="javascript:void(0)" onfocus="this.blur()">詳細(xì)介紹</a></li> </ul> <div class="1571n5fppxr7" id="tagContent"> <div id="1571n5fppxr7" class="tagContent selectTag" id="tagContent0" style="display: block;"><link type="text/css" rel="stylesheet" href="/css/property.css"> <script> window.onload=function(){ changeTableHeight(); } window.onresize=function(){ changeTableHeight(); } function changeTableHeight(){ $(".proshowParameter table th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> <tr><th>品牌</th><td>其他品牌</td> <th></th><td></td></tr> </tbody> </table> </section><p>ZC1681揚(yáng)聲器功率壽命測試系統(tǒng)</p><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-spacing:0px; color:rgb(67, 67, 67); font-family:microsoft yahei,arial; font-size:12px; line-height:13.8462px; margin:0px; padding:0px; width:660px"><tbody><tr><td><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-spacing:0px; margin:0px; padding:0px; width:660px"><tbody><tr><td><span style="font-size:13px">簡要介紹</span></td><td rowspan="2"><p style="text-align:center"><span style="font-size:13px"> <img alt="" src="http://www.zctek.com.cn/ckfinder/userfiles/images/2015051411153125.jpg" style="height:256px; margin:0px; width:300px" /></span></p><p> </p></td></tr><tr><td><span style="font-size:13px">　ZC1681揚(yáng)聲器功率壽命測試系統(tǒng)是由C1681B+ZC6221噪聲發(fā)生器/濾波器組成的自動測試系統(tǒng)，該系統(tǒng)符合B9396-1996,GB/T14475-93,GB6832-86標(biāo)準(zhǔn)（本標(biāo)準(zhǔn)參照采用IEC268-5之《聲系統(tǒng)設(shè)備第五部分：揚(yáng)聲器》）關(guān)于揚(yáng)聲器及其系統(tǒng)功率測試的要求，用以測量揚(yáng)聲器及其系統(tǒng)的zui大噪聲功率/zui大噪聲電壓、長期zui大功率/長期zui大電壓、短期zui大功率/短期zui大電壓。符合中華人民共和國電子行業(yè)標(biāo)準(zhǔn)關(guān)于受話機(jī)zui大噪聲功率的測試要求。符合耳機(jī)zui大噪聲功率/zui大噪聲電壓的測試要求。</span></td></tr></tbody></table></td></tr><tr><td>ZC1681<span style="font-size:13px">技術(shù)指標(biāo)</span></td></tr><tr><td><table align="right" border="1" cellpadding="2" cellspacing="1" style="border-collapse:collapse; border-spacing:0px; margin:0px; padding:0px; width:659.286px"><tbody><tr><td><span style="font-size:13px">測試信號</span></td><td><p><span style="font-size:13px">MP3信號，模擬節(jié)目，正弦波、方波，白噪聲，粉紅噪聲</span></p></td></tr><tr><td><span style="font-size:13px">zui大接入路數(shù)</span></td><td><p><span style="font-size:13px">20路獨(dú)立功率放大器，分兩組，通道1-10為一組，通道11-20為另一組，各組實(shí)驗(yàn)參數(shù)可獨(dú)立設(shè)置。</span></p></td></tr><tr><td><span style="font-size:13px">老化試驗(yàn)時間</span></td><td><p><span style="font-size:13px">0.1-999.9h，可任意設(shè)定</span></p></td></tr><tr><td><span style="font-size:13px">監(jiān)測方式</span></td><td><p><span style="font-size:13px">20路同時監(jiān)測，被測電聲器件損壞后可自動切斷信號，停止試驗(yàn)，避免損壞功率放大器，可自動控制試驗(yàn)通斷時間，記錄被測器件狀態(tài)</span></p></td></tr><tr><td><span style="font-size:13px">狀態(tài)判斷</span></td><td><p><span style="font-size:13px">開路、短路或阻抗過低過高</span></p></td></tr><tr><td><span style="font-size:13px">故障警告方式</span></td><td><p><span style="font-size:13px">20路LED顯示有*通道位置</span></p></td></tr><tr><td rowspan="2"><span style="font-size:13px">測試頻率范圍</span></td><td><p><span style="font-size:13px">正弦波：20Hz-20kHz，總諧波失真（THD）:≤0.5% @ 1kHz</span></p></td></tr><tr><td><p><span style="font-size:13px">方波：20Hz-20kHz</span></p></td></tr><tr><td><span style="font-size:13px">濾波器可調(diào)范圍</span></td><td><p><span style="font-size:13px">數(shù)字可調(diào)帶通濾波zui大帶寬為14Hz-22kHz,帶寬任意調(diào)節(jié)，通帶脈動低于±1dB。<br />高、低端載頻數(shù)字顯示，誤差小于±5%。通帶外衰減為-24dB/oct。</span></p></td></tr><tr><td><span style="font-size:13px">外接信號源</span></td><td><p><span style="font-size:13px">兩路BNC輸入/輸出，可通過鍵盤選擇</span></p></td></tr><tr><td><span style="font-size:13px">輸出功率</span></td><td><p><span style="font-size:13px">每通道zui大輸出功率15W，zui大總輸出功率：≥300W</span></p></td></tr><tr><td><span style="font-size:13px">負(fù)載阻抗</span></td><td><p><span style="font-size:13px">4-100Ω可調(diào)</span></p></td></tr><tr><td rowspan="2"><span style="font-size:13px">zui大測試數(shù)量</span></td><td><p><span style="font-size:13px">30Ω 阻抗：100只　　　16Ω 阻抗：80只</span></p></td></tr><tr><td><p><span style="font-size:13px">4Ω 阻抗：20只　　　5Ω 阻抗：40只</span></p></td></tr><tr><td><span style="font-size:13px">電壓調(diào)節(jié)范圍</span></td><td><p><span style="font-size:13px">0.01-12V（調(diào)節(jié)精度為0.01V）</span></p></td></tr><tr><td><span style="font-size:13px">zui大測試電流</span></td><td><p><span style="font-size:13px">≤1.5A</span></p></td></tr><tr><td><span style="font-size:13px">自定斷續(xù)測試</span></td><td><p><span style="font-size:13px">當(dāng)發(fā)生斷線的情況時，儀器會立即顯示該路受測喇叭之中斷線的時間，并同時停止該路之動作。其余尚未有斷線之路則繼續(xù)測試，直到有斷線發(fā)生，或當(dāng)所使用的全部通道喇叭都斷線時，即使未達(dá)總測試時間，儀器也會自動停止運(yùn)作，并會有閃爍的提示告知測試者</span></p></td></tr><tr><td><span style="font-size:13px">信號輸出控制</span></td><td><p><span style="font-size:13px">連續(xù)輸出或間歇輸出</span></p></td></tr><tr><td><span style="font-size:13px">儀器接口</span></td><td><p><span style="font-size:13px">RS232可與電腦連接可把測試結(jié)果儲存在電腦里隨時調(diào)用</span></p></td></tr></tbody></table></td></tr></tbody></table></div> <div id="1571n5fppxr7" class="tagContent" id="tagContent1" style="display: block;"><link rel="stylesheet" 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