DC2树干周长生长变化记录�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <div><span><strong>DC2树干周长生长变化记录�?/strong></span></div><div><span><strong>名称９�/strong>树干周长生长变化记录� <strong>型号９�/strong>DC2 <strong>产地９�/strong>德国</span></div><div><div><p><span><strong>用途：</strong><strong>DC2树干周长生长变化记录�?/strong>是DC1树干周长生长变化记录仪的改进版本。钢丝绳的拉力改为径向设置。这样钢丝绳对树的压力和树径无关，不同树径的测量结果可直接比较。传感器通过一个由热膨胀系数*低的合金制成的钢丝绳固定在树上。用小塑料环减少钢丝绳对树的压力，并减少摩擦阻力，大大提高灵敏度、�/span></p><p></p><p><span><strong>优点９�/strong>��适合于所有直径大亍� 5厘米的树：�/p><p>��钢丝绳对树的压力和树径无关，不同树径的测量结果可直接比较：�/p><p>��钢丝绳的拉力根据树径自动调整，反应敏感；</p><p>��对植物无损伤：�/p><p>��可抗拒风，雪，下跌小树枝和小果实的影响，保证稳定测量：�/p><p>��易于安装：�/p><p>��用花兰螺丝简化复调、�/span></p><p><span><strong>缺点９�/strong>��数据必须经过自带Excel软件换算才能取得周长变化：�/p><p>��测量的树干必须接近圆形、�/span></p><p><span><strong>技术规格：</strong></span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td colspan="2"><p><span><strong>传感�?/strong></span></p></td></tr><tr><td><p><span>适用于树干直徃�/span></p></td><td><p><span>>5厘米</span></p></td></tr><tr><td><p><span>传感器的测量范围</span></p></td><td><p><span>15毫米</span></p></td></tr><tr><td><p><span>复调测量范围</span></p></td><td><p><span>无限</span></p></td></tr><tr><td><p><span>精度</span></p></td><td><p><span>��2微米��0.12%（视数据采集器）</span></p></td></tr><tr><td><p><span>分辨玆�/span></p></td><td><p><span><0.001微米</span></p></td></tr><tr><td><p><span>线性系�?/span></p></td><td><p><span>2%</span></p></td></tr><tr><td><p><span>温度系数</span></p></td><td><p><span><0.1微米/�?/span></p></td></tr><tr><td><p><span>钢丝绳热膨胀系数</span></p></td><td><p><span><1.4 �� 10-6/K</span></p></td></tr><tr><td><p><span>工作环境</span></p></td><td><p><span>空气温度�?30~+40℃，空气湿度�?~100 %</span></p></td></tr><tr><td><p><span>电缆长度</span></p></td><td><p><span>标准2米，可延�?00籲�/span></p></td></tr><tr><td><p><span>钢丝绳长�?/span></p></td><td><p><span>标准1米，可延镾�/span></p></td></tr><tr><td colspan="2"><p><span><strong>记录�?/strong></span></p></td></tr><tr><td><p><span>传感器连接数野�/span></p></td><td><p><span>4�?/span></p></td></tr><tr><td><p><span>分辨玆�/span></p></td><td><p><span>12佌�/span></p></td></tr><tr><td><p><span>存储容量</span></p></td><td><p><span>64KB，可存储43000个数�?/span></p></td></tr><tr><td><p><span>工作温度</span></p></td><td><p><span>-20~+70℃（记录中）�?~+50℃（启动和下载数据的时候）</span></p></td></tr><tr><td><p><span>通讯接口</span></p></td><td><p><span>USB</span></p></td></tr><tr><td><p><span>供电</span></p></td><td><p><span>1节CR2032电池</span></p></td></tr><tr><td><p><span>电池电量</span></p></td><td><p><span>�?平�/span></p></td></tr></tbody></table><p><span><strong>产地：德囼�/strong></span></p></div></div><p><span>点将科技<span>-</span>心系点滴，致力将来！<span></span>９�span> 021-37620451(</span>上海<span>) </p><p> 010-58733448(</span>北京<span>)</p><p> 0871-65895725(</span>昆明<span>)</p><p> 0551-63656691(</span>合肥<span>) </span></p><p><span>Email: </p><p> Shanghai@Dianjiangtech.com(</span><span>上海<span>) </p><p> Beijing@Dianjiangtech.com(</span>北京<span>)</p><p> Kunming@Dianjiangtech.com(</span>昆明<span>)</p><p> Hefei@Dianjiangtech.com(</span>合肥<span>) </span></p><p><span>扫描点将科技官方微信，获取更多服务：</span></p><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="238324" /> <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）">