TDR315H土壤水盐热传感器/土壤水分�?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><span>TDR315H新型的土壤水盐热传感�?/span></strong></span></div><p><span> TDR315H是美国Acclima公司�?019�?�?日推出的新产品，此产品代替了TDR315L，它是一个集成的时域反射计，结合了超快速的波形生成和数字化功能，以及精密的5ps<span>皮秒分辨率时基和高度复杂的波形数字化及分析固件，提供土壤传播波形的实时时域分析。它�?/span>TDR315L的基础上改进了响应时间、产品功耗和盐性土壤的稳定性、�/span></p><p><span>技术指标：</span></p><p><span>VWC�?span>使用</span>TOPP<span>方程由介电常数计算得出。因此，</span>VWC报告的准确度是介电常数报告的准确�?span>；注意，</span>TOPP方程仅对�?0%的VWC<span>有效、�/span>Acclima用传播时间超�?0%VWC<span>的线性函数代替了方程的那部分、�/span></p><p><span>土壤体积含水量：</span>0<span>｝�/span>100� VWC</span></p><p><span>分辨率：</span>0.1� VWC</span></p><p><span>重复性（</span>RMS<span>偏差）：</span>0.07%</span></p><p><span>准确度：</span>��1� (粗中介质)</span></p><p><span>��2.5<span>＄�/span> (细纹理介�?</span></p><p><span>土壤温度是采用高精密的热敏电阻来测量</span></p><p><span>土壤温度９�/span>-40<span>｝�/span>+60ℂ�/span></p><p><span>分辨率：</span>0.1ℂ�/span></p><p><span>重复性（</span>RMS<span>偏差）：</span>0.1%</span></p><p><span>准确度：</span>��0.25ℂ�/span></p><p><span>介电常数直接由波形传播时间计算，不包含任何电压或电流参数。因此，介电常数的计算与土壤的导电率无关。这是真正的时域传感器比其他类型传感器的主要优势、�/span></p><p><span>介电常数范围９�/span>1<span>｝�/span>80</span></p><p><span>分辨率：</span>0.1</span></p><p><span>重复性（</span>RMS<span>偏差）：</span>0.07</span></p><p><span>准确度：</span>��1�?粗中介质)</span></p><p><span>��2<span>＄�/span>(细纹理介�?</span></p><p><span>土壤导电率是通过测量波导元件之间的土壤电阻来计算的，土壤电导率分为：土壤体积电导率（颗粒）、孔隙水电导率和土壤体积表面电导率（颗粒表面）组成、�/span></p><p><span>土壤体积电导率：土壤导电能力的物理量</span></p><p><span>孔隙水电导率：土壤体积中污染物粒子浓�?/span></span></p><div><span>EC</span><em><sub><span>b</span></sub></em><span>=n</span><em><sup><span>m</span></sup></em><span>EC</span><sub><span>W</span></sub></p><p><span>EC</span><em><sub><span>b</sub></em><span>: 土壤体积电导率，EC</span><sub><span>W</span></sub><span>：孔隙水电导率，</span>n<span>：土壤孔隙率＋�/span>m是与土壤性质有关的参�?/span></div><p><span><span>土壤体积电导率：</span>0<span>｝�/span>5000��S/cm</span></p><p><span>孔隙水电导率９�/span>0~55000��S/cm</span></p><p><span>分辨率：</span>1 ��S/cm</span></p><p><span>重复性（</span>RMS<span>偏差）：</span>3 ��S/cm</span></p><p><span>准确度：</span>��25 ��S/cm@0~1000��S/cm</span></p><p><span>��2.5%@1000~2000��S/cm</span></p><p><span>�� 5%@2000~5000��S/cm</span></p><p><span>响应时间９�/span>0.25科�/span></p><p><span>供电９�/span>3.5�?5V DC</span></p><p><span>工作电流：典型：</span>36mA@12V D; 空闲< 10 ��A</span></p><p><span>信号输出９�/span>SDI-12</span></p><p><span>探针长度９�/span>15cm</span></p><p><span>探针直径９�/span>0.35cm</span></p><p><span>尺寸９�/span>21.15cm*5.3cm*1.9cm</span></p><p><span>重量９�/span>440g(不含电缆)</span></p><div><div></div><div></div></div> </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="275254" /> <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）">