水位流速流量传感器是一种集水位、流速和流量测量功能于一体的综合性传感器。它通常利用先进的测量技术，如雷达、超声波或压力传感等，来实时感知水体的水位高度和水流速度。通过内置算法，结合断面形状等参数，传感器可计算出瞬时流量。该传感器具有非接触式或低侵入式测量的特点，安装便捷，对水流影响小。其测量精度高、稳定性好，能适应不同环境条件下的监测需求，广泛应用于河流、渠道、水库等场景的水文监测，为水资源管理和防洪减灾提供关键数据支持。推荐型号：【TH-L3S】
一、产品简介
我司研发的雷达流速仪采用了K波段平面微带阵列天线，能量集中，低功耗；仪器集成了垂直角度补偿、流速平均、信号强度检测、串口通信控制等功能，非接触式雷达测流系统测速时设备不受污水腐蚀，不受泥沙影响，土建简单，少受水毁影响，便于维护，保障人员安全。不仅可用于平时环境监测，而且特别适合承担急难险重观测任务。
二、产品特点
1.非接触、安全低损、少维护、不受泥沙影响
2.能胜任洪水期高流速条件下的测
3.具有防反接、过电压保护功能
4.系统功耗低，一般太阳能供电即可满足测流需要
5.多种接口方式，既有数字接口又具有模拟接口，兼容标准Modbus-RTU协议方便接入系统；
6.具备无线数据传输功能（选配）
7.可独立与现在运行中的城市水情、污水、环境自动测报系统联机
8.测速范围宽，测量有效距离远达10m
9.多种触发模式：周期、触发、手动、自动
10.安装特别简单，土建量很少
11.全防水设计，适合野外使用
三、技术参数
| 测量范围 | 0.1-20m/s 液位0-30米 |
| 测量精度 | 测速精度：±0.01 米/秒；±1%FS |
| 雷达天线 | 平面微带阵列天线 |
| 雷达垂直倾斜角修正 | 自动修正 |
| 流速方向识别 | 双向（浮点数双向） |
| 测量持续时间 | 可设定 |
| 测量间隔 | 上电后连续测量 |
| 雷达频率 | 24GHz（K-Band） |
| 供电范围 | DC12VDC |
| 数字接口 | RS485 |
| 模拟输出 （默认无） | 4-20Ma可以选 |
| 无线传输（可选） | 选配 |
| 12V供电能耗 | 测量时约120mA |
| 外壳材质 | 不锈钢、铝合金外壳 |
| 防护等级 | IP68 |
| 工作温度 | -35℃-70℃ |
| 存储温度 | -40℃-70℃ |
| 防雷（选配） | 集成防雷功能 （选配） |
| 雷达距水面距离 | 有效距离40m（和水面纹波有关，波浪越大测量距离越远） |
四、产品结构图
五、产品安装图
安装示意图如图，现场安装可借助于桥梁，支架等现有的建筑基础，但必须保证流速仪雷达波发射方向与水流方向平行，流速仪发射波与水面呈45，出厂默认调节45°角
六、安装注意事项
1.安装需要选择流态稳定，直线渠道上，远离闸门出口，渠道弯头位置
2.安装高度尽量控制5米以内（距离越近测量信号越强，数据越可靠）
3.水流速低于0.25，且水纹波小，有测量不稳定可行性
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