土壤水势�?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>土壤中水分状况可以用两种方法表述：含水量和水势。含水量是指单位体积或单位重量土壤中的水分。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。在关于植物和水分，及土壤中水分运动的研究工作中，我们需要知道土壤中水分的有效性。判断土壤的干旱程度�?*指标是土壤水势。所以，测量土壤水势是实现节水灌溉的关键技术� </p><p> Equitensiometer<strong>土壤水势�?/strong>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皃�strong>土壤水势�?/strong>器、�/p></p><p><strong>技术参数：</strong></p><p><p>测量参数：土壤衬质势 </p><p> 测量范围�?�?1500kpa�?0�?15bar) </p><p> 精度�?#177;5kpa(0�?100kpa)：�5% (-100�?1500kpa) </p><p> 滞后：很小， 在自然条件下可以如实反应各种速度的土壤水势变� </p><p> 使用条件：除过电导率大于1 mS/cm的盐碱土外，可用于所有土� </p><p> 温度要求：工作温�?-40℃，存放温度-30�?70� </p><p> 电源要求�?-15伏直流，每次测量**消�?3毫安*5秒（�?V电池，至少可�?00次） </p><p> 输入输出：输入：5-15V 直流电压� **23 mA；输凹� 100 -800 mV 直流电压 </p><p> 大小尺寸：仪器体�? 2 cm * 4 cm* 20 cm；探头体� (须插入土壤的部分): 2 cm * 4 cm* 7.5 cm </p><p> 重量：约350 g (不含电缆)� </p><p> 电缆长度�?米，可延长到100� </p><p> 运输箱：不锈钢材� </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><p><strong>主要特点９�/strong></p><p><p>世界�?*个精确测量土壤水势的仪器，已取得多国** </p><p> 覆盖全部对植物生长有意义的水势范�?0 �?15 �? </p><p> 每台仪器都通过专门标定 </p><p> 户外使用无需保护和维修措施，超越测量范围不影响使用功� </p><p> 在所有非盐碱性土壤中，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> 易安� </p><p> 测量结果可用普通数采纪录或用万用表显示 </p><p> 以有7年以上的实地使用经验</p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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