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數(shù)字選頻電平表配套使用可完成繼電保護(hù)高頻通道自動(dòng)測(cè)試。振蕩器的高電平輸出（＋20dB）和選頻表的高電平輸入（＋50dB）特別適用于電力載波和電力線保護(hù)設(shè)備的各種測(cè)試。輸出端口設(shè)有自動(dòng)保護(hù)電路及提示功能，保證用戶正常測(cè)量。</p></div> <ul> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>產(chǎn)品型號(hào)：</span>ZY5010</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>廠商性質(zhì)：</span>生產(chǎn)廠家</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>更新時(shí)間：</span>2024-11-01</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>訪問量：</span>1041</li> </ul> <div id="khwbikeckeb" 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="khwbikeckeb" class="clear"></div> </div>  </div> <div id="khwbikeckeb" class="lhtab"><span id="khwbikeckeb" class="on span1">產(chǎn)品詳情</span><span id="khwbikeckeb" class="span2">在線留言</span></div> <div id="khwbikeckeb" class="page-procon"> <table align="center" style="height:921px; width:719px"><tbody><tr><td>簡(jiǎn)述</td></tr><tr><td colspan="2"><p> 采用*數(shù)字直接合成技術(shù)DDS，以及大規(guī)模集成的智能型、全數(shù)字化儀表。選頻電平表測(cè)量精度高，電平穩(wěn)定，具有自動(dòng)量程，自動(dòng)電平校正，AFC、快速自動(dòng)搜索、同步測(cè)量、自動(dòng)對(duì)測(cè)、數(shù)據(jù)存儲(chǔ)等功能，測(cè)量數(shù)據(jù)可上傳PC機(jī)。配套使用可完成繼電保護(hù)高頻通道自動(dòng)測(cè)試。振蕩器的高電平輸出（＋20dB）和選頻表的高電平輸入（＋50dB）特別適用于電力載波和電力線保護(hù)設(shè)備的各種測(cè)試。輸出端口設(shè)有自動(dòng)保護(hù)電路及提示功能，保證用戶正常測(cè)量。</p></td></tr><tr><td colspan="2"> </td></tr><tr><td><img src="http://www.njzydt.com/images/dot1.jpg" style="height:12px; width:12px" /></td><td>主要特點(diǎn)</td></tr><tr><td>●</td><td>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>●</td><td>選頻電平表收信電平測(cè)量范圍-100dB～+50dB，顯示分辨率0.01dB。</td></tr><tr><td>●</td><td>電平振蕩器發(fā)信電平-77.9dB～+20dB具有良好的頻響和電平穩(wěn)定度，輸出純度*，是理想的高質(zhì)量信號(hào)源。輸出端口設(shè)有自動(dòng)保護(hù)電路，不會(huì)因強(qiáng)信號(hào)灌入而損壞輸出電路，特別適用于繼電保護(hù)高頻通道的測(cè)試。</td></tr><tr><td>●</td><td>備有各種輸出、輸入阻抗，適于與通信設(shè)備作終端或跨接測(cè)量。具有dB、dBm、mV三種測(cè)量單位，可根據(jù)需要切換，直接顯示而不用換算。</td></tr><tr><td>●</td><td>選頻電平表具有25Hz和400Hz兩種選頻帶寬，良好的選擇性和極低的固有失真，使電平表不僅作電平和串雜音測(cè)量，還可作波形分析。</td></tr><tr><td>●</td><td>選頻電平表的AFC”功能可全頻段跟蹤被測(cè)信號(hào)，自動(dòng)搜索功能快速準(zhǔn)確地搜尋測(cè)量未知信號(hào)的電平和頻率。</td></tr><tr><td>●</td><td>儀表配套使用實(shí)現(xiàn)自動(dòng)同步對(duì)測(cè)，自動(dòng)測(cè)量高頻通道的電平、衰減、幅頻特性、衡重雜音、線路阻抗等高頻參數(shù)，且具有RS232串行接口，數(shù)據(jù)可存儲(chǔ)并上傳PC機(jī)打印輸出。</td></tr><tr><td>●</td><td>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)，功耗均小于4W。</td></tr><tr><td colspan="2"> </td></tr><tr><td><img src="http://www.njzydt.com/images/dot1.jpg" style="height:12px; width:12px" /></td><td>ZY5010 選頻電平表的主要技術(shù)特性</td></tr><tr><td colspan="2"><table border="1" style="width:701px"><tbody><tr><th rowspan="3" scope="row"><strong>頻率范圍 </strong></th><td colspan="2">寬頻測(cè)量 200Hz～1700kHz （平衡600Ω，200Hz～620kHz）</td></tr><tr><td rowspan="2">選頻測(cè)量</td><td>B=25Hz 200Hz～1700kHz（平衡600Ω，200Hz～620kHz）</td></tr><tr><td><p>B=400Hz 2kHz～</p><p>1700kHz（平衡600Ω，2kHz～620kHz）</p></td></tr><tr><th rowspan="4" scope="row">頻率調(diào)節(jié)</th><td colspan="2"><p>數(shù)字鍵或增量上/下鍵輸入，增量調(diào)節(jié)步長(zhǎng)由用戶設(shè)定，AFC全頻段跟蹤</p></td></tr><tr><td rowspan="2">捕捉帶</td><td>B=25Hz：約±50Hz</td></tr><tr><td>B=400Hz：約 ±500Hz</td></tr><tr><td colspan="2">自動(dòng)搜索功能，zui低可搜索電平-80dB</td></tr><tr><th scope="row">頻率誤差</th><td colspan="2">±3×10 -6 ±1Hz</td></tr><tr><th rowspan="3" scope="row">電平范圍</th><td colspan="2"><p>寬頻測(cè)量 -60dB～+50dB</p></td></tr><tr><td rowspan="2">選頻測(cè)量</td><td>B=25Hz -100dB～+50dB</td></tr><tr><td>B=400Hz -90dB～+50dB</td></tr><tr><th scope="row">電平顯示器</th><td colspan="2">LCD漢字圖形顯示，菜單式操作，測(cè)量結(jié)果有數(shù)字和模擬棒兩種指示。分辨率0.01dB，具有dB、dBm、mV三種單位顯示</td></tr><tr><th rowspan="2" scope="row">輸入阻抗</th><td colspan="2"><p>不平衡：75Ω、∞，高電平輸入：≈30kΩ</p></td></tr><tr><td colspan="2">平衡：600Ω、150Ω、∞</td></tr><tr><th scope="row">電平測(cè)量誤差</th><td colspan="2"><p>具有0dB電平自動(dòng)校正，0dB固有誤差：±0.1dB，電平線性誤差：±0.25dB</p></td></tr><tr><th rowspan="3" scope="row">頻率選擇性</th><td rowspan="2">兩種帶寬 </td><td>B=25Hz 3dB帶寬約24Hz</td></tr><tr><td>B=400Hz 3dB帶寬約400Hz</td></tr><tr><td colspan="2">中頻衰減 ≥60dB；鏡象頻率衰減 ≥70dB</td></tr><tr><th scope="row">固有失真衰減</th><td colspan="2">≥ 60dB</td></tr><tr><th scope="row">回波損耗</th><td colspan="2">≥30dB</td></tr><tr><th scope="row">本機(jī)固有雜音</th><td colspan="2">＜ -120dB</td></tr><tr><th scope="row">縱向干擾衰減</th><td colspan="2">≥40dB</td></tr><tr><th scope="row">外形尺寸</th><td colspan="2">270mm（寬）×120 mm（高）× 265mm（深）</td></tr><tr><th scope="row">質(zhì) 量</th><td colspan="2">約 2.4kg （帶電池）</td></tr></tbody></table></td></tr><tr><td colspan="2"> </td></tr><tr><td><img src="http://www.njzydt.com/images/dot1.jpg" style="height:12px; width:12px" /></td><td>ZY5060 電平振蕩器的主要技術(shù)特性</td></tr><tr><td colspan="2"><table border="1" class="chanpinfont" style="width:700px"><tbody><tr><th rowspan="4"><p>輸出頻率</p></th><td>200Hz～1700kHz</td></tr><tr><td>200Hz～620kHz（平衡600Ω）</td></tr><tr><td>LCD漢字圖形顯示，菜單式操作，輸出頻率及電平數(shù)字指示，分辨率1Hz。</td></tr><tr><td>頻率誤差 ±3×10-6±1Hz</td></tr><tr><th rowspan="5"><p>輸出電平與阻抗</p></th><td>不平衡0Ω -77.9dB～+20dB，允許外接75Ω</td></tr><tr><td>不平衡75Ω -83.9dB～+14dB，（-74.9dBm～+23dBm）</td></tr><tr><td>平衡 0Ω -71.9dB～+20dB</td></tr><tr><td>平衡150Ω -77.9dB～+20dB，（-71.9dBm～+26dBm）</td></tr><tr><td>平衡600Ω -77.9dB～+20dB</td></tr><tr><td><p><strong>電平顯示器 </strong></p></td><td>LCD漢字圖形顯示，菜單式操作，電平數(shù)字指示，具有dB、dBm、mV 三種單位顯示</td></tr><tr><td rowspan="2"><strong>頻率與電平調(diào)節(jié)</strong></td><td><p>采用數(shù)字鍵或增量上 /下鍵輸入</p></td></tr><tr><td><p>增量調(diào)節(jié):頻率、電平步長(zhǎng)由用戶設(shè)定</p></td></tr><tr><td rowspan="2"><p><strong>輸出電平誤差</strong></p></td><td>0dB固有誤差 ±0.1dB</td></tr><tr><td>電平線性誤差 ±0.2dB</td></tr><tr><th><p>輸出信號(hào)平衡度</p></th><td>≥40dB</td></tr><tr><th rowspan="2"><p>失真衰減</p></th><td>二、三次諧波衰減 ≥46dB</td></tr><tr><td>非諧波和雜散衰減 ≥60dB</td></tr><tr><th><p>外形尺寸</p></th><td>270mm（寬）×120mm（高）×265mm（深）</td></tr><tr><th><p>質(zhì)量</p></th><td>約2.4kg（帶電池）</td></tr></tbody></table></td></tr></tbody></table> <div id="khwbikeckeb" class="pagetb"> <p> 上一條：<a href="/Products-24863423.html">ZY3696手持阻波器結(jié)合,濾波器自動(dòng)測(cè)試儀</a></p> <p> 下一條：<a href="/Products-24863468.html">ZY5060數(shù)字電平振蕩器</a></p> </div> </div> <div id="khwbikeckeb" class="page-messages" style="display: none;"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div 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