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<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>英國PA</td><th>產(chǎn)地</th><td>進(jìn)口</td></tr> </tbody> </table> </section> <div id="9s7yys4149e" class="NyProDetailCon"> <p style="text-align:left"><strong><span style="font-size:18px;font-family:宋體;color:red">NH2000</span></strong><strong><span style="font-size: 18px;font-family:宋體;color:red">針式水聽器<span>,NH2000 PVDF</span>水聽器詳細(xì)介紹： </span></strong></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體">NH2000 PVDF</span><span style="font-size:16px;font-family:宋體">水聽器是<span> Precision Acoustics Ltd. </span>制造的一系列針式水聽器之一。它設(shè)計用于與帶電源的潛水前置放大器和直流耦合器結(jié)合使用，以形成水聽器系統(tǒng)。每當(dāng)本數(shù)據(jù)表中報告的特性時，它們都是指包含<span> 2.0 </span>毫米針式水聽器、前置放大器和直流耦合器的水聽器系統(tǒng)的特性。 </span></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體">水聽器有源元件的尺寸會影響許多特性，包括靈敏度、頻率響應(yīng)、方向響應(yīng)、動態(tài)范圍和噪聲等效壓力。本技術(shù)數(shù)據(jù)表是根據(jù)<span> IEC 62127 – </span>第<span> 3 </span>部分<span> [3] </span>編寫的，并提供了<span> 2.0 </span>毫米針式水聽器系統(tǒng)的詳細(xì)規(guī)范。</span></p><p style="margin-bottom:16px;text-align:left"><span style="font-size:16px;font-family:宋體">2.0 mm </span><span style="font-size:16px;font-family:宋體">針式水聽器是一種高靈敏度設(shè)備，針對<span> 2 MHz </span>以下的應(yīng)用進(jìn)行了優(yōu)化。<span><br /><br /></span></span><strong><span style="font-size:18px;font-family:宋體;color:red">NH2000 PVDF</span></strong><strong><span style="font-size:18px;font-family:宋體;color:red">水聽器產(chǎn)品描述</span></strong></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體">2.0 mm </span><span style="color: rgb(0, 0, 0);"><strong><span style="font-size: 16px; font-family: 宋體;">NH2000水聽器</span></strong></span><span style="font-size:16px;font-family: 宋體">是一種高靈敏度接收器，針對<span> 2 MHz </span>以下的使用進(jìn)行了優(yōu)化，適用于<span> 100 kHz </span>至<span> 10 MHz </span>范圍內(nèi)的測量。大的有效面積可以測量<span> ≈ 150 Pa </span>的信號。然而，更大的傳感器面積會導(dǎo)致更具方向性的響應(yīng)模式，尤其是在更高頻率下。</span></p><p style="text-align:left"><span style="font-size:16px;font-family: 宋體"><img alt="PVDF水聽器" src="https://img63.hbzhan.com/gxhpic_40c7a7025a/33c3386a40defc47a89d792ea00f84c460a313409f546ff8c610ed55cb0414bc7c9eb0ed177ee1c7.jpg" style="width: 700px; height: 700px;" /></span></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體"> </span></p><p style="margin-top:auto;margin-bottom: auto;text-align:left"><strong><span style="font-size:18px;font-family:宋體;color:red">NH2000 PVDF</span></strong><strong><span style="font-size:18px;font-family:宋體;color:red">水聽器靈敏度和頻率響應(yīng)</span></strong></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體">所有探頭型水聽器都具有作為頻率函數(shù)的頻率響應(yīng)。這種反應(yīng)的理論基礎(chǔ)在別處得到了很好的理解和描述<span> [1]</span>。圖<span> 2 </span>和圖<span> 3 </span>顯示了當(dāng)負(fù)載為<span> 50 Ω </span>時，針式水聽器與其適當(dāng)?shù)那爸梅糯笃鹘Y(jié)合使用的典型電纜末端負(fù)載靈敏度。這些圖中顯示的數(shù)據(jù)集均由倫敦國家物理實驗室<span> (NPL) </span>獲得。<span><br /><img alt="PVDF水聽器" src="https://img63.hbzhan.com/gxhpic_40c7a7025a/33c3386a40defc47a89d792ea00f84c4037933ea6a1e1df97a9129e607adecd62c7572c8fafa43a8.jpg" style="width: 700px; height: 356px;" /></span></span></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體"><span><img alt="PVDF水聽器" src="https://img63.hbzhan.com/gxhpic_40c7a7025a/33c3386a40defc47a89d792ea00f84c4e3f517ea2ea97df00b017a06bbd7f6c970e046600881f1a6.jpg" style="width: 700px; height: 414px;" /></span></span></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體"><span><img alt="PVDF水聽器" src="https://img66.hbzhan.com/gxhpic_40c7a7025a/33c3386a40defc47a89d792ea00f84c4c49ae8a36abcb517e2ee4c70b09cc577e2457d91047fb7ec.jpg" style="width: 700px; height: 414px;" /></span></span></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體"><span><br /></span></span></p><p style="text-align:left"><span style="font-size:16px;font-family:宋體"><span> <br /></span></span></p><p style="margin-top:auto;margin-bottom: auto;text-align:left"><strong><span style="font-size:18px;font-family:宋體;color:red">NH2000</span></strong><strong><span style="font-size: 18px;font-family:宋體;color:red">針式水聽器<span>,NH2000 PVDF</span>水聽器技術(shù)參數(shù)與選型：<span><br /> </span></span></strong></p><div id="9s7yys4149e" class="tabledivclass" style="width: 99%; float: left;"><table border="1" cellspacing="0" cellpadding="0" align="left" style="max-width: 748px; width: 511px;"> <tbody> <tr class="firstRow"> <td style="padding:0 0 0 0"> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">輸出阻抗</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">典型探針靈敏度</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">靈敏度誤差</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">典型頻率響應(yīng)</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">傳感器材料</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">傳感器尺寸</span></p> </td> </tr> <tr> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">NH4000</span><span style="font-size:16px;font-family: 宋體">針式水聽器<span><br /> 4.0mm</span>水聽器</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">27pF+/- 4pF</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">8V/MPa<br /> (</span><span style="font-size:16px;font-family:宋體">相當(dāng)于<span> -222dB re 1V/uPa)</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">單個探針之間靈敏度的變化約為：<span>+/-3dB</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">Flat (+/-2dB): 200kHz to 3MHz<br /> Flat (+/-4dB): 80kHz to 8MHz<br /> Hydrophone useable down to 5kHz</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">28</span><span style="font-size:16px;font-family: 宋體">微米厚的金電極的聚偏氟乙烯（<span>PVDF</span>）薄膜</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">直徑<span>4.0mm</span></span></p> </td> </tr> <tr> <td style="padding:0 0 0 0"> <p style="text-align:left"><strong><span style="font-size:16px;font-family:宋體;color:red"><br /> 2.0mm</span></strong><strong><span style="font-size:16px;font-family:宋體;color:red">水聽器</span></strong></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><strong><span style="font-size:16px;font-family:宋體;color:red">27pF+/- 4pF</span></strong></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><strong><span style="font-size:16px;font-family:宋體;color:red">3.5V/MPa<br /> (</span></strong><strong><span style="font-size:16px;font-family:宋體;color:red">相當(dāng)于<span> -229.1dB re 1V/uPa)</span></span></strong></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><strong><span style="font-size:16px;font-family:宋體;color:red">單個探針之間靈敏度的變化約為：<span>+/-3dB</span></span></strong></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><strong><span style="font-size:16px;font-family:宋體;color:red">Flat (+/-2dB): 400kHz to 6MHz<br /> Flat (+/-4dB): 100kHz to 10MHz<br /> Hydrophone useable down to 5kHz</span></strong></p> </td> <td style="padding:0 0 0 0"> <p style="margin-top:auto;margin-bottom: auto;text-align:left"><strong><span style="font-size:18px;font-family:宋體;color:red">28</span></strong><strong><span style="font-size:18px;font-family:宋體;color:red">微米厚的金電極的聚偏氟乙烯（<span>PVDF</span>）薄膜</span></strong></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><strong><span style="font-size:16px;font-family:宋體;color:red">直徑<span>2.0mm</span></span></strong></p> </td> </tr> <tr> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">NH1000</span><span style="font-size:16px;font-family: 宋體">針式水聽器<span><br /> 1.0mm</span>水聽器</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">27pF+/- 4pF</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">850nV/Pa<br /> (</span><span style="font-size:16px;font-family:宋體">相當(dāng)于<span> -241.4dB re 1V/uPa)</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">單個探針之間靈敏度的變化約為：<span>+/-3dB</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">Flat (+/-2dB): 3 to 12MHz<br /> Flat (+/-4dB): 200kHz to 15MHz<br /> Hydrophone useable down to 5kHz</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">28</span><span style="font-size:16px;font-family: 宋體">微米厚的金電極的聚偏氟乙烯（<span>PVDF</span>）薄膜</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">直徑<span>1.0mm</span></span></p> </td> </tr> <tr> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">NH0500</span><span style="font-size:16px;font-family: 宋體">針式水聽器<span><br /> 0.5mm</span>水聽器</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">18pF+/- 3pF</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">300nV/Pa<br /> (</span><span style="font-size:16px;font-family:宋體">相當(dāng)于<span> -250.5dB re 1V/uPa)</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">單個探針之間靈敏度的變化約為：<span>+/-3dB</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">Flat (+/-2dB): 3 to 15MHz<br /> Flat (+/-4dB): 1 to 15MHz</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">9</span><span style="font-size:16px;font-family:宋體">微米厚的金電極的聚偏氟乙烯（<span>PVDF</span>）薄膜</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">直徑<span>0.5mm</span></span></p> </td> </tr> <tr> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">NH0200</span><span style="font-size:16px;font-family: 宋體">針式水聽器<span><br /> 0.2mm</span>水聽器</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">13pF+/- 2pF</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">55nV/Pa<br /> (</span><span style="font-size:16px;font-family:宋體">相當(dāng)于<span> -265.2dB re 1V/uPa)</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">單個探針之間靈敏度的變化約為：<span>+/-3dB</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">Flat (+/-2dB): 5 to 25MHz<br /> Flat (+/-4dB): 1 to 35MHz</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">9</span><span style="font-size:16px;font-family:宋體">微米厚的金電極的聚偏氟乙烯（<span>PVDF</span>）薄膜</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">直徑<span>0.2mm</span></span></p> </td> </tr> <tr> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">NH0075</span><span style="font-size:16px;font-family: 宋體">針式水聽器<span><br /> 0.075mm</span>水聽器</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">14pF+/- 2pF</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">10nV/Pa<br /> (</span><span style="font-size:16px;font-family:宋體">相當(dāng)于<span>-280.2dB re 1V/uPa)</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">單個探針之間靈敏度的變化約為：<span>+/-3dB</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">Flat (+/-2dB): 3 to 15MHz<br /> Flat (+/-4dB): 1 to >30MHz</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">9</span><span style="font-size:16px;font-family:宋體">微米厚的金電極的聚偏氟乙烯（<span>PVDF</span>）薄膜</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">直徑<span>0.075mm</span></span></p> </td> </tr> <tr> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">NH0040</span><span style="font-size:16px;font-family: 宋體">針式水聽器<span><br /> 0.04mm</span>水聽器</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">14pF+/- 2pF</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">6nV/Pa<br /> (</span><span style="font-size:16px;font-family:宋體">相當(dāng)于<span> -284.4dB re 1V/uPa)</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">單個探針之間靈敏度的變化約為：<span>+/-3dB</span></span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">Flat (+/-2dB): 3 to 15 MHz<br /> Flat (+/-4dB): 1 to >30 MHz</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">9</span><span style="font-size:16px;font-family:宋體">微米厚的金電極的聚偏氟乙烯（<span>PVDF</span>）薄膜</span></p> </td> <td style="padding:0 0 0 0"> <p style="text-align:left"><span style="font-size:16px;font-family:宋體">直徑<span>0.04mm</span></span></p> </td> </tr> </tbody></table></div><p><span> </span></p><p> </p><p> </p> </div> </div> <div id="9s7yys4149e" class="NyProDetail_Msg" id="order"> <div id="9s7yys4149e" class="NyProDetail_Title">在線咨詢<span></span></div> <div id="9s7yys4149e" class="ly_msg"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" 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