Active Member
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[China]
Address: Room 811-Building 143, No. 1399 Husong Road, Shanghai, China
Contact name:Yuan
Shanghai I Fluid Technology Co., Ltd. |
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open channel flow meter, ultrasonic flow meters for irrigation
canal of 9000m3/h
General introduction
The Open channel Ultrasonic Flowmeter is a high precision flow
measurement instrument, which use Transit Time Ultrasound principle
to measure the flow in a variety of Flumes, Weirs or Troughs.
Work principle
Ultrasonic transducer, is a transceiver which emits high frequency
sound, which hits the medium surface and returns back to the sensor
receiver. The time of travel of the ultrasound is inversely
proportional to the height of the flowing medium. This way the
height of the flowing medium is calculated. And with the algorithms
programmed the Height, Flowrate and Total Flow are calculated and
displayed.
Main technical index
| Model | WH |
| Applicable weirs | Right triangle weir slot (Open size: 500mm) |
| Parshall flume (Larynx way width: 51mm, 76mm, 152mm, 228mm, 300mm) | |
| Rectangular weir (Opening size: 250mm, 500mm, 750mm ) | |
| Flow range | depending on weirs dimensions to be used, up to 335000 m3/hr |
| Flow precision | 5% FS |
| Level range | 1m |
| Level precision | 0.5% FS |
| Sensor blind area | <300mm @ 25C |
| Output | 4-20 mA, tri wires |
| Display | LCD display, include: four levels four transient flow Eight of the accumulative total flow 16 calendar clock |
| Work temperature | 50C , customized available |
| Power supply | AC220V |
| Outlet way | Sensor leads 20m, instrument standard plugs |
| Installation | instrument wall mount, sensor grain installation M49x1.5, or clamp on |
| Protection | IP66 (sensor) |
Dimensions
Features
Sensors
Ultrasonic sensor Static pressure sensor
Applications
Measurement of water flow in Effluent, Waste Water, Rivers, Canals,
Drains, Sewage, etc.
Flow Totalizer parameters
Flow measuring range: Depends on the size of the flume.
Maximum Count: 9999999999
Types of suitable weirs: Triangular weir, rectangular weir,
Parshall flume, etc.
Display accuracy: 1 count. Overall accuracy depends on the input
signal. Different Weirs /
flumes has different accuracies. A triangular weir has 1 to 2% flow
error, a rectangular weir
has 1 to 4% accuracy, a Parshall flume has 3% flow error, etc.
Display: 2.8-inch LCD. Displays Height, Flowrate, Total Flow, etc.
Output
Voltage output: DC 12V or 24V
Signal output: RS485/RS232; 4~20mA; 2 channel relay
Troughs
Triangle weirs
Installation sample
Advantage
The production capacity is 20000 ultrasonic converter and 100,000
ultrasonic sensor.
