墒情自动监测设备

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墒情自动监测设备缩略图
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▲测量原理:时域反射技术(TDR);

计算公式: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年的图片及历史数据);

防护等级:IP65;

运行制式:自报及应答;

采集自报:可设置开始采集时间和间隔时间,时间范围1min~30d;终端主动发送; 可显示、主动发送电源电压、各端口工作状态;

技术术语(共 2 个)—— Click to Expand
RS485工业常用的差分串行通信标准,支持多点通信
RS232点对点串行通信标准,常用于短距离设备通信
来源/工具信息 —— Click to Expand
来源 Modbus Chinese Network(modbus.cn) —— China leadingModbuscommunication protocol technical community Category Modbus solution / Smart agriculture 字数 267 字 · 阅读约 1 分钟 更新 2026-06-25 永久链接 https://www.modbus.cn/34035.html
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