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Shanghai Dianda Automation Instrument Co., Ltd
Doppler flowmeter
NegotiableUpdate on 05/18
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Overview
Doppler flowmeter is a flow meter used to measure the flow of rainwater or sewage in sewers or pipelines that are not fully connected. It does not require the installation of pipe segment sensors like electromagnetic flowmeters, nor does it require the use of interception devices, nor does it require the installation of fixed weirs to control the flow of water from fixed outlets. The working principle is based on the flow velocity water level calculation method, and a new intelligent flow system is adopted, which uses good flow velocity measuring instruments and water level measuring instruments to ensure the accuracy of speed measurement and calculation
Product Details
Doppler flowmeter
At the bottomperformance characteristics
•DopplerThe principle of legal measurement reflects sensitivity, and the measurement is stable and reliable;
•canSimultaneous measurementFlow rate, flow rate, water depth, water temperature；
•Intelligent module self diagnostic technology, error alarm display;
•Long term stable and reliable use, easy maintenance;
•LCDLCD display, with a beautiful and exquisite appearance;
•Multiple output forms: high current dual relay upper and lower limit alarm output；high precision4~20mAoutput；RS485Digital communication output；adoptindustrial-grade chipImprove the reliability of instrumentsandMeasurement accuracy;Doppler flowmeter
At the bottomapplication field
Mainly used as equipment for measuring water flow in pipelines, channels, or rivers.
Flood disaster monitoring and sewage discharge Natural rivers and streams, municipal water supply and drainage, water loss/Infiltration monitoring, irrigation process monitoring, road drainage monitoring, canal process research, river process monitoring, and culvert process monitoring
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At the bottomTest performance Measurement type：Flow rate, flow rate, water depth, water temperature Flow velocity measurement：Flow rate range:0.05～5m/s Resolution:0.03m/s Accuracy: Measuring flow velocity±2～4% flow range：10L/s～99999999 m³/h Error:3%～6% Depth measurement：Water depth range:0.05～5m Resolution:0.01m Accuracy:±2% temperature measurement：Temperature range:0℃～60℃ Resolution:0.5℃ pipe type：Circular, square, rectangular, trapezoidal, elliptical Display mode:LCDLCD (Liquid Crystal Display) Menu Language：canSwitching between Chinese and English At the bottomsignaloutput Analog output:4～20mA(Four wire system), maximum load750W Switch output:2Programmable relay group, capacityAC230V/5A Digital interface:RS485（ModBusAgreement) |
At the bottomPower supply Communication power supply:AC220V±10%，50Hz DC power supply:DC24V Power:5W At the bottom物理性能 Material: The transmitter isPCThe sensor isPOM Installation method: bracket installation Cable length:20riceStandard configuration (extendable) At the bottomenvironmental performance Protection level: transmitterIP65 sensorIP68 Working temperature: transmitter-20~55℃ sensor-20~60℃ Environmental humidity: relative humidity≤85% Liquid acidity and alkalinity requirements:PHvalue in6～8between Liquid temperature requirements:0～50℃ Liquid pressure requirement: Under natural environmental conditions,1Standard atmospheric pressure Tested waterway type:Pipelines, channels, natural streams, rivers |
