墒情自动监测デバイス

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墒情自动监测デバイス

▲测量原理:时域反射技术(TDR);

計算公式:提供测量所依据的土壤体积含水率与该参数的关系公式;

测量量程: 0~60%(体积含水量);

绝对误差: ≤2%(体积含水量);

分辨力: ≤0.1%(体积含水量);

工作温度: -10~60℃;

存储温度: -40~85℃;

待机电流: ≤30mA;

通讯接口:RS232、RS485、LAN、USB;

存储容量:1GB(可存储1年的图片及历史データ);

防护等级:IP65;

运行制式:自报及应答;

采集自报:可設定开始采集时间和間隔时间,时间範囲1min~30d;终端主动送信; 可表示、主动送信电源电压、各ポート工作ステータス;

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