HFP01土壤热通量�?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"> <h2><strong>HFP01 土壤热通量松�/strong></h2><p>来源：本站原� 更新日期�?012�?1�?6日【字体：<a>�?a>�?a>小【�/p><hr/><p><span>HFP01</span><span>�?/span><span>一秌�/span><span>传统的土壤热性能测试仪，用于测量流过其附和的主体中的热、�/span><span>HFP01</span><span>中的实际探头是一个热电偶、�/span><span>该热电偶测量</span>HFP01</span><span>塑料体上下的差温。完全被动工作，产生一微小的、与该差温正比于的电压输出。假定热通量是稳定的，而塑料体的热导率是常数，且其对热流类型的影响可以忽略，则</span><span>HFP01</span><span>的信号与该地热通量成正比、�/span></p><p><span>HFP01</span><span>使用简便。欲读出结果仅需一个在</span><span>MV</span><span>范围精确工作的电压计。电压通过标定常数转变为热通量；每个板都有带有专用仪器提供各自的标定常数、�/span><span>HFP01<span>是防水型探头，符吇�/span><span>CE</span><span>标准、�/span></p><p><span></span></p><p><span><strong><span>推荐使用９�/span></strong><strong></strong></span></p><p><span>环境、农、林、大气等科研领域中蒸腾的评估和波文比的测量、�/span></p><p><span><strong><span>HFP01</strong><strong><span>特点</span></strong><strong></strong></span></p><p><span>▟�span>易于操作</span></p><p><span>▟�span>防水，连�?/span><span>5</span><span>籲�/span><span>电缆</span></p><p><span>▟�span>特别适用于高热导率，适于土壤和墙体使�?/span></p><p><span><strong><span>技术参�?/span></strong><strong></strong></span></p><p><span><strong></strong></span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>灵敏�?/span><strong></strong></span></p></td><td><p><span>大约</span><span>50 ��V/ W.m<sup>-2</sup></span><strong></strong></span></p></td></tr><tr><td><p><span>电阻</span>(</span><span>额定</span><span>)</span></p></td><td><p><span>2<span>W</span></span></p></td></tr><tr><td><p><span>温度范围</span></p></td><td><p><span>-30~70</span><span>ℂ�/span></p></td></tr><tr><td><p><span>反应时间</span></p></td><td><p><span>�� 4<span>分钟</span>(</span><span>类似于土壣�/span><span>)</span></p></td></tr><tr><td><p><span>测量范围</span></p></td><td><p><span>+2000~2000 W.m<sup>-2</sup></span></p></td></tr><tr><td><p><span>温度依存�?/span></p></td><td><p><span>< 0.1%/</span><span>ℂ�/span></p></td></tr></tbody></table><p><span><strong><span>产地９�/span></strong><span>美国</span></p><p><strong></strong></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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