HYPROP 2土壤水分特征曲线测量�?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"> <p>采用传统的方法测量土壤水分释放曲线，不仅需要精心操作，耗时很长，并且还有可能无法获得关键的数据点。HYPROP 2的出现大大提高了土壤水分释放曲线的测量效率和质量。HYPROP 2只需要几天而不是几个月，就可以在湿端范围内生成土壤水分特征曲线，并且这一过程是自动完成的。如果与可以测量干土水势的WP4C连用，还可以获得干端的土壤水分特征曲线，从而得到完整的曲线、�/p><p> 除此之外，HYPROP 2还可用于测量250mL土壤环中原装土体的非饱和导水率。与KSAT一起使用，可以获得任何土壤类型的水力导度曲线、�/p><p></p><p><span><strong>测量原理</strong></span></p><p> HYPROP 2通过安装在两个位置的微型张力计监测土壤水势，整个测量装置置于天平上，随着时间记录土壤水势和样品重，根据样品重计算土壤含水量，并绘制随含水量变化的水势变化图。在0�?100kPa范围内能获取超过100个数据点，更高的分辨率和更丰富的信息是传统方法不能相比的、�/p><p><strong><span>主要特点</span></strong></p><ul><li><p>直接计算植物可利用水分含野�/p></li><li><p>精确可靠，省时省力，操作简侾�/p></li><li><p>同时测量保水功能和导水率</p></li><li><p>高保水，特别是在接近饱和的时倘�/p></li><li><p>水力学特征由大量的测量数据得凹�/p></li><li><p>准确可靠地得到非饱和导水率，与假定的模型无关</p></li><li><p>张力计的测量范围超出典型的空穴点，低�?240kPa</p></li><li><p>张力计倒置在土壤样品中（不受蒸发的干扰，对张力计轴没有影响（�/p></li><li><p>达到空穴阶段后减少了张力计的水分损失</p></li></ul><p><span><strong>技术指栆�/strong></span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><span><strong>准确�?/strong></span></td><td><span>1.5 hPa@ 0 ~820 hPa</span></td></tr><tr><td><span><strong>分辨玆�/strong></span></td><td><span>0.01 hPa</span></td></tr><tr><td><span><strong>张力计测量范図�/strong></span></td><td><span>+20 hPa � -1200 hPa / -2400 hPa</span></td></tr><tr><td><span><strong>取样环规栻�/strong></span></td><td><span>PA66GFK，h=60mm�?0mm</span></td></tr><tr><td><span><strong>接口</strong></span></td><td><span>RS485 tensioLINK</span></td></tr></tbody></table><p></p><p><span><strong>产地与厂家：德国</strong><strong>METER</strong><strong>公司</strong></span>（原德国UMS（�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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