土壤水势传感�?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"> <strong>仪器简介：</strong></p><p><p>土壤水势是指从土壤中提取（吸取）单位水分所需引起的能量。是在关于植物和水分，及土壤中水分运动的研究工作�?重要的指标，也是判断土壤的干旱程度的**指标，是实现节水灌溉的关键技术� </p><p> Equitensiometer土壤水势仪是德国Ecomatik公司在多�?*基础上开发生产的土壤水势测量仪器。是目前世界�?*高精度、大范围自动原位监测的土壤水势仪器、�/p><p> 应用：土壤水文研究、植物生态、生理研究、环境监测、土壤水分供应、土壤水分流动监浊�/p><p> 产地：德国Ecomatik公司</p></p><p><strong>技术参数：</strong></p><p><p>指标：土壤水� </p><p> 范围�?�?1500kpa(0�?15bar) </p><p> 精度�?�?100kpa ��5kpa�?100�?500kpa<5% </p><p> 适用：工作温�?-40℃，存放温度-30�?70℃� </p><p> 电源�?-15伏直流，每次测量**消�?3毫安*5秒（�?V电池，至少可�?00次） </p><p> 输出：模拟式�?00-800毫伏（可用电压表直读或与LOGGER联用� </p><p> 体积、重量：仪器体积: 2 cm * 4 cm* 20 cm. 探头体积 (须插入土壤的部分): 2 cm * 4 cm* 7.5 cm. 重量� 350 g (不含电缆)。电缆长�?米，可延长到100米、�/p></p><p><strong>主要特点９�/strong></p><p><p>主要特点� </p><p> � 全部对植物生长有意义的水势范�?0 �?15 Bar)� </p><p> � 测量结果不受土壤理化性质和土壤种类的影响� </p><p> � 低耗能（可用一般电池带动）� </p><p> � 已有7年以上的实地使用经验� </p><p> � 配有专用的数据采集器，也可以与通用数据采集联用� </p><p> 工作原理� </p><p> 平衡传感器和含水量测量器。平衡传感器是由一种特殊材料组成，这种材料具有两个特点：稳定的含水量和水势之间的关系和高度透水性。当平衡传感器和土壤接触时，其中的水势和土壤达到平衡。因含水量和水势之间的关系已知，通过测定平衡传感器中的含水量即可以测得土壤水势、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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