TEROS 21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"> <p></p><p><span><strong><span>工作原理</span></strong></span></p><p><strong><strong>TEROS 21土壤水势传感�?/strong></strong>由一个湿度传感器和一块已知水分释放曲线的多孔材料组成，当多孔材料与周围土壤达到水分平衡后，湿度传感器测量多孔材料的水分含量，并根据水分释放曲线将水分含量换算成水势、�/p><p><span><strong>主要特点</strong></span></p><ul><li><p><strong>准确度大大提升：</strong>采用6点校准，使用了自动校准装置逐个校准传感器。保�?strong>TEROS 21</strong>传感器之间以及与其他水势测量方法的结果具有可比性、�/p></li><li><p><strong>结实耐用９�/strong>环氧树脂重叠注塑工艺保证其适合野外长期监测研究、�/p></li><li><p><strong>无需再校准：</strong>二氧化硅基质的陶质材料不存在因降解引起的漂移、�/p></li><li><p><strong>盐分不敏感：</strong>即使高盐环境、盐分含量多变的土壤传感器依然精确、�/p></li><li><p><strong>附带的温度测量：</strong>同时能够获得另一个植物生长的重要指标、�/p></li><li><p><strong>即插即用９�/strong>只要埋好传感器，连接数采，设置时钟和测量间隔，即可开始采集数据。无需编程、�/p></li><li><p><strong>远程获取数据９�/strong>使用<strong>TEROS 21</strong>连接ZL6数采时，您可以通过互联网获取数据、�/p></li><li><p><strong>兼容SDI-12９�/strong><strong>TEROS 21</strong>几乎兼容所有支持SDI-12的主流数采，采用通用通讯协议、�/p></li></ul><p><strong></strong></p><p><span><strong>技术参�?/strong></span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td></td><td><p><span><strong>土壤水势</strong></span></p></td><td><p><span><strong>土壤温度</strong></span></p></td></tr><tr><td><p><span><strong>范围</strong></span></p></td><td><p><span>-9 kPa ~ -2�?00 kPa�?.96 ~ 4.31 pF（�/span></p></td><td><p><span>-40~ 60ℂ�/span></p></td></tr><tr><td><p><span><strong>分辨玆�/strong></span></p></td><td><p><span>0.1 kPa</span></p></td><td><p><span>0.1ℂ�/span></p></td></tr><tr><td><p><span><strong>准确�?/strong></span></p></td><td><p><span>��(读数�?0% + 2 kPa)@ -9 kPa ~ -100 kPa</span></p></td><td><p><span>�� 1ℂ�/span></p></td></tr><tr><td><p><span><strong>传感器类垊�/strong></span></p></td><td><p><span>频域，带校准的陶质板</span></p></td><td><p><span>热敏电阻</span></p></td></tr></tbody></table><p><span><strong>测量频率９�/strong></span><span>70 MHz</span></p><p><span><strong>输出９�/strong></span><span>RS232 (TTL) with 3.6 V� SDI-12通讯协议</span></p><p><span><strong>支持数采（另购）９�/strong></span><span>METER ZL6� EM50/60系列数采，或3.6~15VDC供电，支持串口或SDI-12通讯的数釆�/span></p><p><span><strong>尺寸９�/strong></span><span>9.6 cm (L) �� 3.5 cm (W) �� 1.5 cm (D)，检测头直径�?.2cm</span></p><p><span><strong>工作环境９�/strong></span><span>-40 ~ 60�? （水势测量在0℃以下可能不准）</span></p><p><span><strong>电缆长度９�/strong></span><span>5m，可定制其它长度�?长可�?5m</span></p><p><span><strong>接口类型９�/strong></span><span>3.5mm 耳机接口或镀锡裸线接�?3线头)</span></p><p><span><strong>供电电压（VCC to GND）：</strong></span><span>*�?.6VDC�?*15.0VDC</span></p><p><span><strong>数字输入电压（逻辑高）９�/strong></span><span>*�?.8V，典�?.6V�?*3.9V</span></p><p><strong>数字输入电压（逻辑低）９�/strong><span>*�?0.3V，典�?.0V�?*0.8V</span></p><p><strong>电力线转换率９�/strong><span>*�?.0V/ms</span></p><p><strong>电流：测量期间：</strong><span>*�?.0mA；典�?.6mA�?*10.0mA；静止等待期间：典型0.03mA</span></p><p><strong>启动时间：DDI串口９�/strong><span>**100ms；SDI-12�?�?00ms；典�?50ms�?*200ms</span></p><p><span><strong>测量时间９�/strong></span><span>典型150ms�?*�?00ms</span></p><p><span><strong>遵循标准９�/strong></span><span> ISO 9001:2015 标准下生产；EM ISO/IEC 17050:2010 (CE 标志)</span></p><p><span><strong>�?/strong></span>�?传感器在某些情况下还可用于更高温度环境。如需要可联系METER公司获取更多资料、�/p><p>序列号在T21-00009999以前的传感器测量范围�?9 kPa ~ -100�?00 kPa</p><p><span><strong>产地与厂家：</strong></span><span><strong>美国METER</strong><strong>公司 </strong><sub>(原Decagon)</sub></span></p><p><span><strong><span><strong><span><strong>视频</strong></span></strong></span></strong></span><span><strong><span><strong><span><strong>详情请前往力高泰官网ecotek.com.cn/TEROS21</strong></span></strong></span></strong></span></p><p><video src="https://www.ecotek.com.cn/uploads/UE/videos/20200929/16061.mp4"><source src="https://www.ecotek.com.cn/uploads/UE/videos/20200929/16061.mp4"/></video></p><p>TEROS 21 土壤水势传感器的安装</p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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