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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <h2> DK480 1/2 Meter Monochromator</h2><h2></h2><ul><li> Connects to any computer via RS232 or IEEE-488.</li><li> Motorized slits.</li><li> Triple-grating turret allows high efficiency scanning across a broad spectral range.</li><li> May be factory configured as a monochromator or spectrograph.</li><li> Scans in both directions and with Constant Spectral Resolution (CSR).</li><li> Integrates with SP filter wheel for automatic filter switching.</li><li> Suitable for fluorescence and absorption studies� detector characterization� thin film measurements� etc.</li></ul><h6><i>Wavelength Selection is No Longer Expensive</i></h6><h2></h2><p> The Digikrom DK480 is a complete computer integrated solution. Easy to use commands control the triple grating turret� motorized slits� and optional motorized filter wheel for quick and easy sorting. Instrument mode can be set for constant spectral resolution (CSR)� where the slit width is automatically modified to compensate in the change in dispersion with wavelength to maintain constant spectral bandpass.</p><p> Rugged cast construction� A-Thermal design� and SP direct grating drive make this unit the most repaetable and reliable in its class. Each instrument is calibrated and certified prior to delivery.</p><table align="center" cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td align="center"><strong> Feature</strong></td><td align="center"><strong> Value</strong></td></tr><tr><td> Design:</td><td> Czerny-Turner� triple-grating turrets standard.</td></tr><tr><td> Focal Length:</td><td> 480mm</td></tr><tr><td> f/#:</td><td> 7.8</td></tr><tr><td> Reciprocal Dispersion:</td><td> 1.60nm/mm (with 1200 g/mm grating)</td></tr><tr><td> Wavelength Drive:</td><td> Worm and wheel with microprocessor control and anti-backlash gearing.</p><p> Bi-directional. Usable in positive or negative grating orders.</td></tr><tr><td> Wavelength Precision and reproducibility:</td><td> 0.007nm (with 1200g/mm grating)</td></tr><tr><td> Wavelength Accuracy:</td><td> �� 0.30nm standard (with 1200 g/mm grating)</td></tr><tr><td> Scan Speed:</td><td> 1 to 1200nm/minute (with 1200g.mm grating)</td></tr><tr><td> Stray Light:</td><td>< 0.01% at 220nm (Nal)</td></tr><tr><td> Slits:</td><td> Unilateral� computer controlled� curved entrance and straight exit standard.</p><p> Width - 10��m to 3000��m</p><p> Height - 2mm to 20mm</td></tr><tr><td> Max Resolution:</td><td> 0.03nm (with 1200 g/mm grating)</td></tr><tr><td> Gratings:</td><td> One to three gratings (68 x 68mm standard� 68 x 84mm optional) must be purchased. See DK Gratings.</td></tr><tr><td> Software:</td><td> Demonstration control program and LabView driver included.</td></tr><tr><td> Power:</td><td> 100 - 240V� 50/60Hz� 60W</p><p> 220/230/240V� 50/60Hz @ 0.5A optional.</td></tr><tr><td> Interface:</td><td> RS232 standard</td></tr><tr><td> Weight:</td><td> 45lbs</td></tr><tr><td> Warranty:</td><td> One year</td></tr><tr><td> Options:</td><td><ul><li> DKBS - Bi-lateral slits</li><li> DKGPIB - IEEE-488 communication interface (internal)</li><li> DK2400 and Hand-held controllers for local control</li><li> IR480 - Gold optics</li><li> DK2PORT - Bifurcated fiber bundle for attaching 2 devices to 1 port.</li><li> AB300 - Automated 6 position filter wheel</li></ul> See options and accessories </td></tr></tbody></table></p><p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="283260" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">