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class="desc">ZY3690型阻波器·結(jié)合濾波器自動測試儀對數(shù)壓縮、數(shù)字直接合成（DDS）專為測量阻波器、結(jié)合濾波器的高頻特性而設(shè)計(jì)的智能型、全數(shù)字化儀表，比傳統(tǒng)的電橋法測量，具有快捷、準(zhǔn)確、操作簡便等特點(diǎn)。儀表交直流兩用，內(nèi)置可充電鋰電池，可連續(xù)工作4小時(shí)，功耗3.5W}</div> </p></p> </div>  <div id="f55nvtnxj1n" class="x-1"> <div id="f55nvtnxj1n" class="b-1">產(chǎn)品特性<span>Product characteristics</span></div> <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> </tbody> </table> </section><p><span style="font-family:宋體">ZY3690型阻波器·結(jié)合濾波器自動測試儀</span></p><p><span style="font-family:宋體">ZY3690型阻波器·結(jié)合濾波器自動測試儀</span></p><p> <strong>上?？档请姎饪萍加邢薰?/strong></p><p><span style="font-family:宋體">ZY3690型阻波器·結(jié)合濾波器自動測試儀</span></p><p> </p><p> </p><table style="border-collapse:collapse; border-spacing:0px; border:1px solid rgb(168, 194, 159); color:rgb(0, 0, 0); font-family:宋體; font-size:12px; height:900px; line-height:28px; margin:0px; max-width:100%; padding:0px; width:737px; word-break:inherit"><tbody><tr><td>簡述</td></tr><tr><td colspan="2"><p> 采用矢量檢測、對數(shù)壓縮、數(shù)字直接合成（DDS）等*技術(shù)，專為測量阻波器、結(jié)合濾波器的高頻特性而設(shè)計(jì)的智能型、全數(shù)字化儀表，比傳統(tǒng)的電橋法測量，具有快捷、準(zhǔn)確、操作簡便等特點(diǎn)。儀表交直流兩用，內(nèi)置可充電鋰電池，可連續(xù)工作4小時(shí)，功耗3.5W。</p></td></tr><tr><td colspan="2"> </td></tr><tr><td><img alt="ZY3690 阻波器·結(jié)合濾波器自動測試儀" src="http://i01.yizimg.com/" style="height:auto; margin:0px auto 5px !important; width:12px" /></td><td>主要特點(diǎn)</td></tr><tr><td colspan="2">● 全數(shù)字化，高清晰大屏液晶顯示器（LCD），漢字圖形顯示，菜單式操作。</td></tr><tr><td colspan="2">● 數(shù)字直接合成器（DDS），可選擇點(diǎn)頻或掃頻方式測量。</td></tr><tr><td colspan="2">● 測量阻波器的阻塞阻抗 (Z b )、阻塞電阻（R b ）、電抗分量（X b ）。</td></tr><tr><td colspan="2">● 測量結(jié)合濾波器線路側(cè)或電纜側(cè)的回波損耗（ A r1 、A r2 ）和工作衰減（A c1 、A c2 ）。</td></tr><tr><td colspan="2">● 測量簡單方便，無需二次接線，測量誤差自動校正。</td></tr><tr><td colspan="2">● 內(nèi)置可充電鋰電池，并自動檢測電池狀態(tài)，一次充滿電可連續(xù)工作 4小時(shí)。</td></tr><tr><td colspan="2">● 測試數(shù)據(jù)自動儲存和查詢，并通過 RS232C接口上傳PC機(jī)，以標(biāo)準(zhǔn)文本和圖形曲線打印輸出。</td></tr><tr><td colspan="2">● 12～20米長測試線連接空中（滿足500kV變），被測阻波器直接測試。</td></tr><tr><td colspan="2"> </td></tr><tr><td><img alt="ZY3690 阻波器·結(jié)合濾波器自動測試儀" src="http://i01.yizimg.com/" style="height:auto; margin:0px auto 5px !important; width:12px" /></td><td>主要技術(shù)特性</td></tr><tr><td colspan="2"><table border="1" class="chanpinfont" style="border-collapse:collapse; border-spacing:0px; border:1px solid rgb(168, 194, 159); margin:0px; max-width:100%; padding:0px; width:721px; word-break:inherit"><tbody><tr><th rowspan="4" scope="row">信號源</th><td><p>頻率范圍</p></td><td>40 kHz～500 kHz，zui小頻率間隔（Δf）1kHz；可選擇點(diǎn)頻或掃頻工作。</td></tr><tr><td><p>頻率誤差</p></td><td>±3×10－6±1 Hz</td></tr><tr><td colspan="2">以 100 kHz頻率為基準(zhǔn)，頻響誤差±0.35dB。</td></tr><tr><td colspan="2">諧波衰減不小于46dB。</td></tr><tr><th rowspan="3" scope="row">阻塞阻抗(Zb)</th><td colspan="2">測量范圍：40Ω～4kΩ，誤差±5%</td></tr><tr><td><p>阻塞電阻（Rb）</p></td><td>電抗分量（Xb）不大于10倍阻塞電阻（Rb）時(shí)，誤差±5%。</td></tr><tr><td><p>電抗分量（Xb）</p></td><td>阻塞電阻（Rb）不大于10倍電抗分量（Xb）時(shí)，誤差±5%。</td></tr><tr><th rowspan="2" scope="row">額定電感（LtN）</th><td colspan="2">測量范圍：0.2mH～2mH，誤差±5%</td></tr><tr><td colspan="2">可顯示阻波器主線圈的品質(zhì)因素（Q）</td></tr><tr><th rowspan="3" scope="row">回波損耗（Ar）</th><td rowspan="3"><p>測量范圍</p></td><td>0dB～14dB，誤差±0.5dB；</td></tr><tr><td>>14dB～20dB，誤差±1dB；</td></tr><tr><td>>20dB～26dB，誤差±2dB。</td></tr><tr><th scope="row">工作衰減（Ac）</th><td colspan="2">測量范圍：0～12dB，誤差±0.25dB。</td></tr><tr><th rowspan="4" scope="row">測量模式與測量參數(shù)</th><td colspan="2">測量模式電路自動配置，測量參數(shù)自動接入，測量誤差自動校正。</td></tr><tr><td colspan="2">耦合電容器（C'）可選擇3.3nF、3.5nF、4.5nF、5.0nF、6.6nF、7.5nF、8.0nF、10nF、15nF或20nF。</td></tr><tr><td colspan="2">線路側(cè)標(biāo)稱阻抗（Z1）可選擇240Ω、300Ω、320Ω或400Ω。</td></tr><tr><td colspan="2">電纜側(cè)標(biāo)稱阻抗（Z2）可選擇75Ω、100Ω。</td></tr><tr><th rowspan="3" scope="row">計(jì)時(shí)功能</th><td colspan="2">可顯示年、月、日、時(shí)、分，可對日期/時(shí)間進(jìn)行設(shè)定或修改。</td></tr><tr><td colspan="2">歷史數(shù)據(jù)可查詢，并自動錄入測試時(shí)的日期和時(shí)間。</td></tr><tr><td colspan="2">掃頻測試結(jié)束發(fā)“嘟、嘟、嘟”提示音。</td></tr><tr><th rowspan="2" scope="row">RS232C串行口</th><td colspan="2">與PC機(jī)連接：9針RS232C串行插座；</td></tr><tr><td colspan="2">通信傳輸速率：9600 bit/s。</td></tr><tr><th rowspan="2" scope="row">電源</th><td 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