多普勒流速仪：灌区渠道水流流速的监测需要的测流仪器。声学多普勒测速仪测流装置,它不破坏流场、响应速度快、测量精度高,由于其方便、快速和精确的流速测量特点,应用范围起来越广泛

　　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sx产品。

　　二、原理

　　多普勒效应，发射和接收的超声波频率差与流速建立关系，超声波发射与接收的时间差与液位建立关系，静压式液位用于需要测量液位量程较大的工况，环境温度测量用于修正超声波实际传播速度。

　　三、产品特点

　　传感器支持瞬时流量与累计流量功能

　　能测静止水的流速

　　能测非满管、满管及明渠的流量

　　能测矩形、圆形、梯形、三角形截面的流量

　　流速测量范围宽，0~10m/s，双向

　　流速测量精度高，1mm/s误差

　　超声测量液位精度高，误差1mm(2m以内)

　　纯物理方法测量，免标定，免校准

　　支持静压测液位

　　支持温度补偿流速测量与液位测量

　　ModbusRTU协议

　　传感器防护等IP68，支持长期水下工作

　　便携式方案：传感器+手持机+测量杆，手提箱容纳所有配件

　　手提箱尺寸：435*320*135mm

　　四、技术参数

　　主机参数：

　　尺寸187*91*30mm

　　重量0.3kg

　　存储温度-20℃~60℃

　　相对湿度5%~85%(无冷凝)

　　防护等IP67

　　充电方式直充

　　待机时长持续工作8小时

　　显示参数流速、液位、温度、流量

　　现场显示带背光的4.3寸触摸屏

　　数字接口RS485接口，Modbus协议。

　　传感器参数：

　　流速量程0～10m/s，双向

　　流速分辨率0.001m/s

　　流速精度0.001m/s(流速<=5m/s时);0.02m/s或实际峰值速度的0.3%(采用较大值)(流速>5m/s时)

　　超声液位量程6.5m

　　超声液位精度0.001m

　　超声液位分辨率0.0005m

　　静压液位量程0~10m

　　静压液位精度±0.1%FS

　　静压液位分辨率0.001m

　　温度量程-20~60℃

　　传感器尺寸165*50*29.5mm

　　安装用支架

　　材质金属，塑料，橡胶

　　防护等IP68

　　供电直流12V/24V

　　功耗测量时<70mA;休眠时<25mA

　　通信接口RS485，Modbus

　　工作温度-20~60℃

　　工作压力大6Bar

　　防雷支持

　　防浪涌支持

　　E M I抑制支持

公司介绍

　　Shandong Jingdao Photoelectric Technology Co., Ltd. is a high-tech enterprise committed to the research, development, production, sales ａnd service of agricultural application instruments such as food safety detection instruments ａnd soil nutrient detection instruments. The company is headquartered in Weifang City, Shandong Province. At present, the company has the ability to mass produce a series of automatic meteorological ａnd environmental monitoring stations, various detection sensors, ａnd maintenance support equipment. The products have been widely used in many fields such as meteorology, forestry, agriculture, scientific research, universities ａnd colleges, ａnd have maintained a good customer reputation.

　　Shandong Jingdao Photoelectric Technology Co., Ltd. has many years of scientific research ａnd development experience in the field of food rapid inspection equipment. After many years of operation ａnd development, it has formed a strong product R & D team, assembly line production team ａnd after-sales service team. Jingdao optoelectronics has always adhered to the principle of market-oriented ａnd quality oriented, ａnd developed meteorological ａnd environmental instruments with independent intellectual property rights. Users cover the whole country＇s meteorology, mining, agriculture, forestry, water conservancy ａnd hydropower, animal husbandry, plant protection ａnd other fields, ａnd have won unanimous praise from the majority of users.

 

　　The products of Shandong Jingdao Optoelectronic Technology Co., Ltd. mainly focus on the meteorological equipment, agricultural environment, air quality, water level ａnd water conservancy, electric power ａnd transportation, Internet of things sensors ａnd other fields. After years of development ａnd innovation, it has become a solution provider of information-based instruments in all fields of environmental ａnd meteorological monitoring.