水位流速流量傳感器是一種集水位、流速和流量測(cè)量功能于一體的綜合性傳感器。它通常利用先進(jìn)的測(cè)量技術(shù)，如雷達(dá)、超聲波或壓力傳感等，來實(shí)時(shí)感知水體的水位高度和水流速度。通過內(nèi)置算法，結(jié)合斷面形狀等參數(shù)，傳感器可計(jì)算出瞬時(shí)流量。該傳感器具有非接觸式或低侵入式測(cè)量的特點(diǎn)，安裝便捷，對(duì)水流影響小。其測(cè)量精度高、穩(wěn)定性好，能適應(yīng)不同環(huán)境條件下的監(jiān)測(cè)需求，廣泛應(yīng)用于河流、渠道、水庫(kù)等場(chǎng)景的水文監(jiān)測(cè)，為水資源管理和防洪減災(zāi)提供關(guān)鍵數(shù)據(jù)支持。推薦型號(hào)：【TH-L3S】
一、產(chǎn)品簡(jiǎn)介
我司研發(fā)的雷達(dá)流速儀采用了K波段平面微帶陣列天線，能量集中，低功耗；儀器集成了垂直角度補(bǔ)償、流速平均、信號(hào)強(qiáng)度檢測(cè)、串口通信控制等功能，非接觸式雷達(dá)測(cè)流系統(tǒng)測(cè)速時(shí)設(shè)備不受污水腐蝕，不受泥沙影響，土建簡(jiǎn)單，少受水毀影響，便于維護(hù)，保障人員安全。不僅可用于平時(shí)環(huán)境監(jiān)測(cè)，而且特別適合承擔(dān)急難險(xiǎn)重觀測(cè)任務(wù)。
二、產(chǎn)品特點(diǎn)
1.非接觸、安全低損、少維護(hù)、不受泥沙影響
2.能勝任洪水期高流速條件下的測(cè)
3.具有防反接、過電壓保護(hù)功能
4.系統(tǒng)功耗低，一般太陽(yáng)能供電即可滿足測(cè)流需要
5.多種接口方式，既有數(shù)字接口又具有模擬接口，兼容標(biāo)準(zhǔn)Modbus-RTU協(xié)議方便接入系統(tǒng)；
6.具備無線數(shù)據(jù)傳輸功能（選配）
7.可獨(dú)立與現(xiàn)在運(yùn)行中的城市水情、污水、環(huán)境自動(dòng)測(cè)報(bào)系統(tǒng)聯(lián)機(jī)
8.測(cè)速范圍寬，測(cè)量有效距離遠(yuǎn)達(dá)10m
9.多種觸發(fā)模式：周期、觸發(fā)、手動(dòng)、自動(dòng)
10.安裝特別簡(jiǎn)單，土建量很少
11.全防水設(shè)計(jì)，適合野外使用
三、技術(shù)參數(shù)
| 測(cè)量范圍 | 0.1-20m/s 液位0-30米 |
| 測(cè)量精度 | 測(cè)速精度：±0.01 米/秒；±1%FS |
| 雷達(dá)天線 | 平面微帶陣列天線 |
| 雷達(dá)垂直傾斜角修正 | 自動(dòng)修正 |
| 流速方向識(shí)別 | 雙向（浮點(diǎn)數(shù)雙向） |
| 測(cè)量持續(xù)時(shí)間 | 可設(shè)定 |
| 測(cè)量間隔 | 上電后連續(xù)測(cè)量 |
| 雷達(dá)頻率 | 24GHz（K-Band） |
| 供電范圍 | DC12VDC |
| 數(shù)字接口 | RS485 |
| 模擬輸出 （默認(rèn)無） | 4-20Ma可以選 |
| 無線傳輸（可選） | 選配 |
| 12V供電能耗 | 測(cè)量時(shí)約120mA |
| 外殼材質(zhì) | 不銹鋼、鋁合金外殼 |
| 防護(hù)等級(jí) | IP68 |
| 工作溫度 | -35℃-70℃ |
| 存儲(chǔ)溫度 | -40℃-70℃ |
| 防雷（選配） | 集成防雷功能 （選配） |
| 雷達(dá)距水面距離 | 有效距離40m（和水面紋波有關(guān)，波浪越大測(cè)量距離越遠(yuǎn)） |
四、產(chǎn)品結(jié)構(gòu)圖
五、產(chǎn)品安裝圖
安裝示意圖如圖，現(xiàn)場(chǎng)安裝可借助于橋梁，支架等現(xiàn)有的建筑基礎(chǔ)，但必須保證流速儀雷達(dá)波發(fā)射方向與水流方向平行，流速儀發(fā)射波與水面呈45，出廠默認(rèn)調(diào)節(jié)45°角
六、安裝注意事項(xiàng)
1.安裝需要選擇流態(tài)穩(wěn)定，直線渠道上，遠(yuǎn)離閘門出口，渠道彎頭位置
2.安裝高度盡量控制5米以內(nèi)（距離越近測(cè)量信號(hào)越強(qiáng)，數(shù)據(jù)越可靠）
3.水流速低于0.25，且水紋波小，有測(cè)量不穩(wěn)定可行性
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雷達(dá)水位流速流量傳感器是一種集水位、流速和流量測(cè)量功能于一體的設(shè)備。它通過發(fā)射雷達(dá)波并接收反射信號(hào)，利用多普勒效應(yīng)和時(shí)間延遲原理，分別測(cè)量水體的流速、水位，再結(jié)合相關(guān)算法計(jì)算出流量。該傳感器具有非接觸式測(cè)量的優(yōu)勢(shì)，不受水中雜質(zhì)、漂浮物等影響，測(cè)量精度高，穩(wěn)定性好。其安裝簡(jiǎn)便，維護(hù)成本低，適用于各種開放式水體或渠段的監(jiān)測(cè)。傳感器還支持多種數(shù)據(jù)輸出方式和通信協(xié)議，方便與各類自動(dòng)化系統(tǒng)進(jìn)行對(duì)接。