声学多普勒流速仪是应用于河流、明渠及管道等工况的流速流量检测仪器。其采用超声波探测技术，测量精度高、稳定性好、受环境因素影响小，无转动件、维护频次低、工作可靠性高，是便携流速流量测量的产品。在声学领域中，当声源与接收体（即探头和反射体）之间有相对运动时，回声的频率将有所变化，此种频率的变化称之为频移，即多普勒效应。声波频率在移向观察者时变高，远离观察者时变低。多普勒流速仪通过计算频率变化计算流速。
一、产品简介
声学多普勒流速仪是应用于河流、明渠及管道等工况的流速流量检测仪器。其采用超声波探测技术，测量精度高、稳定性好、受环境因素影响小，无转动件、维护频次低、工作可靠性高，是便携流速流量测量的产品。
原理：在声学领域中，当声源与接收体（即探头和反射体）之间有相对运动时，回声的频率将有所变化，此种频率的变化称之为频移，即多普勒效应。声波频率在移向观察者时变高，远离观察者时变低。多普勒流速仪通过计算频率变化计算流速。
二、应用领域
海绵城市、河长制管理、内河监测、自然河流、明渠、管道、养殖等场景。
三、主要特点
- 可测量管道、渠道、天然河流流量、流速、水位。
- 单只流速传感器，安装方便适合市政污下水管渠道、不满管管道、各种渠道、不规则河道、天然溪、排污口等流量测量，并可隐蔽安装，可做到长期稳定工作。
- 可提供瞬时流量值和累计流量值。
- 2.8寸彩色屏幕，文本配合图形，方便操作及流态分析。☆
- 可存储一万条数据，可通过附赠U盘导出数据。☆
- 传感器功耗低：测流速时功耗<0.8W。☆
- 中英文操作界面，支持一键切换。☆
- 内置充电锂电池，待机时间超过8小时。
- 内置压力式水位传感器，温度传感器。
四、技术指标
| 参数 | 范围 | 精度 | 分辨率 |
| 流速范围 | 0.020m/s～6.00m/s☆ | ±1.0%±1mm/s | 1mm/s |
| 水温测量 | -10℃～60℃ | ±0.1（℃） | 0.1（℃） |
| 水深测量范围 | 0.03米～10m | 0.3%±0.5cm | 1mm |
| 瞬时流量范围 | 0.001～9999m³/h☆ | ±3% | 0.001m³/s |
| 累计流量 | 0.001～9999m³☆ | ±3% | 0.001m³ |
五、性能指标
| 参数 | 范围 | 备注 |
| 工作电压 | 10.0V～12.6V DC |
|
| 电池容量 | 1800mAh☆ |
|
| 整机功耗 | 小于2.4w | 12V供电 |
| 工作时长 | 大于8小时 |
|
| 线缆长度 | 20m |
|
| 工作水深 | 小于10m |
|
| 数据更新周期 | 1次/秒☆ |
|
六、使用要求
1. 导气电缆线含有导气管，不能过度弯折，防止其折断；切忌把导气电缆当流速仪的绳缆，用导气电缆拖拽多普勒流速仪；
2. 探头前面的圆形超声波换能器不能受到冲击及划伤；
3. 仪器探头应避免在太阳下长时间暴晒，以免温度太高而引起故障；
4. 在泥沙浓度较大的地方使用声学多普勒流量计要定期清理超声波换能器和压力传感器上的淤泥,防止淤泥把压力传感器堵塞。
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内容范围精度
流速范围(m/s) 0.020米/秒 ~ 5.00米/秒+1.0%+1mm/s
水温测量(°C) -10°C ~60°C +0.1 (°C)
水深测量范围(m) 0.05米 ~ 10米0.5%士0.5cm
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产品简介:
可测量非满管（圆管、蛋形管或其它异形管）流量
可测量渠道（圆形渠、矩形渠或其它异形渠）流量
可测量天然的河、溪流量粉尘/大气采样器","CompanyName":"北京同德创业科技有限公司","CompanyID":"150150","MarketPrice":"-1","PsOrder":"2448","PgID":"89","MaxOrder":"3","CityID":"1","City":"北京市","Address":"北京市","PropertysValue":"","HitNumber":"812","FrontShow":"0","IsCharges":"1","Year":"12","StarNum":"5","UpdateAndClientSort":"49213963","StandUrl":"/st150150","UpdateTime":"2020/7/8 14:03:55","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"1","IsSeoCreate":"","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"23113","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"10822448","HasPicSort":"105726941","UserID":"165101","PriceType":"0","PictureID":"6625677","CompanyTypeID":"5","Tag":"流速流量仪,智能流量仪,多功能流量仪,数显式流量仪,实验室流量仪","LinkMan":"王汝玄","TelPhone":"","ClassName":"流量计","ComProduct":"专业致力于气体检测仪器，食品安全检测、农业检测、水质与空气质量安全监测设备、无损检测仪器、实验室分析仪器以及相关试剂","BrandNameCH":"","IsShow":"1","MarketPrice2":"-1","RetailPrice":"-1","ComHitnumber":"617499","MarketUpdateTime":"2020/7/8 14:03:55","CreateTime":"2015/3/16 16:54:38","Flag":"1","PackageName":"中级会员","ClientSort":"0","CsName":"安安","Reprint":"","FeedBackMsg":"","EnUrl":"","MobilePhone":"18910534055"}]
多普勒流速仪厂家：能够自动校正环境因素（如温度、压力等）对测量结果的影响，确保每一次测量都能得到准确无误的数据。无论是清澈见底的溪流，还是浑浊湍急的江河，甚至是复杂多变的海域，便携式多普勒流速仪都能游刃有余地应对，为水文研究、水资源管理、防汛抗旱等工作提供强有力的数据支持。
声学多普勒流速仪是一种的流速测量设备，它基于多普勒效应的原理，采用遥距测量的方式，利用超声波对距离探头一定距离的采样点进行测量。这种流速仪能够准确、快速地获取水体的流速信息，广泛应用于水利、海洋、环境监测等领域。
