AccuPAR植物冠层分析�?参数-价格-中国粉体罐�/title>

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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"> <p> 光合有效辐射（PAR）和叶面积指数（LAI）是评估植物健康状况和植物冠层结构的重要指标。PAR表示有多少光能可被植物光合作用利用；LAI可用于估计冠层密度和生物量，是植物冠层结构的一项重要表征参数、�strong>AccuPAR</strong><strong>植物冠层分析�?/strong>可以同时测量PAR和LAI。仪器出厂前经过校验，校验值储存于内存中，故在使用过程中无须校验、�strong>AccuPAR植物冠层分析�?/strong>被广泛应用于农业、林业和植物学等研究领域、�/p><p><span><strong><span>工作原理</span></strong></span></p><p> 探头中包�?0个间隔为1 cm的PAR光量子传感器，用于测量环境光照中PAR的变化，输入研究区域的经纬度和时间，仪器可自动计算出天顶角，通过设置叶角分布参数（X）和测量冠层上、下PAR的比率，可以计算出植物冠层的LAI值、�/p><p><span><strong>主要优点</strong></span></p><ul><li><p>经济、便搹�/p></li><li><p>实时测量PAR</p></li><li><p>简便直观的7键控刵�/p></li><li><p>自动记录模式功能</p></li><li><p>强大的数据存储能力，1M内存</p></li><li><p>既可用随机所带软件，也可用计算机超级终端下载数据</p></li><li><p>低电消耗，4�?号碱性电池可使用2平�/p></li><li><p>外置PAR传感器可用于探杆校准和实时测量冠层上、下的PAR倻�/p></li></ul><p><span><strong>系统组成</strong></span></p><ul><li><p>带传感器的控制单兂�/p></li><li><p>测量探杆和外置PAR传感�?/p></li><li><p>RS-232数据线、数据传输软件、用户说明书及手提箱</p></li></ul><p><span><strong><span>技术指栆�/span></strong></span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><strong>PAR传感�?/strong></td><td><p>测量范围�?~2500 ��mol��m-2��s-1</p><p>分辨率：1 ��mol��m-2��s-1</p><p>尺寸�?6.5��19.0��9.5cm</p><p>传感器数量：80个；类型：光合有效辐射传感器</p></td></tr><tr><td><strong>外置PAR传感�?/strong></td><td><p>测量范围�?~4000 ��mol��m-2��s-1</p><p>分辨率：1 ��mol��m-2��s-1</p><p>准确度：��5%</p><p>尺寸：直径：24.0 mm；高�?7.0 mm</p><p>数量�?个；类型：Apogee SQ110光合有效辐射传感�?/p><p>接口�?针密封圆形接口，线长5m</p></td></tr><tr><td><strong>无人值守采样间隔</strong></td><td>1~60 min可逈�/td></tr><tr><td><strong>控制主机规格</strong></td><td>尺寸�?5.80��9.50��3.30 cm；重量：0.55 kg（含电池（�/td></tr><tr><td><strong>工作环境</strong></td><td>0~50 ℃，0~100 % RH</td></tr><tr><td><strong>电源</strong></td><td>4�?号电江�/td></tr><tr><td><strong>数据存储容量</strong></td><td>1 M RAM</td></tr><tr><td><strong>数据传输</strong></td><td>5针密封圆形接口转RS-232数据纾�/td></tr><tr><td><strong>遵循标准</strong></td><td><p>生产过程遵照 ISO 9001:2015</p><p>EM ISO/IEC 17050:2010 (CE Mark)</p></td></tr></tbody></table><p><span><strong>订购信息</strong></span></p><p>LP-80含外置PAR传感器（线长5m（�/p><p>外置PAR传感器延长线 �?.6m�?针环形接口）</p><p><span><strong>产地与厂家：美国</strong><strong>METER</strong><strong>公司 </strong><sub>(原Decagon)</sub></span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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