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Open Channel Ultrasonic Flow Meters

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  • Built in a variety of algorithms, suitable for a variety of standard water weir;

  • 4~20 mA isolated current output optional field bus interface;

  • Control relay output, alarm relay output;

  • Water and sewage treatment-The inlet canal, the canal etc.

  • Rugged, stable sensor for use in harsh industrial applications;

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Ultrasonic Open Channel Flow Meters Introduction

Open channel flow integrating instrument is a universal industry intelligent instrument. 4-20mA,0-20mA,1-5V and 0-5V linear signal output and RS485 serial output are optional.  Integrating 2 line control module of signal input, this instrument separately control each line signal and do relative operating to display and output. Processing open channel flow integrating instrument function, it can be used as open channel flow meter. For flash disk to download data, it is flexible to use.

Ultrasonic Open Channel Flow Meters Feature


  • High precise, non-touching level measurement. Without an impact on flow velocity.

  • Low sensor power consumption, easy installation, and orientation, application wildly.

  • Widely used in wall hanging right-angle rectangular weir, triangular weir, Parshall flume and so on.

  • Easy operation, no need to calibration the input signal, only a few parameters should be set.

  • Full functions, 2 line relays output, easy to connect the actuating mechanism.

  • Flow integrating instruments possess data storage. Data can be also saved by the SD card.

  • According to condition,sensor can choose anti-erosion, anti-explosion, small blind area,ultra low power consumption or wild range

  • Base on user’s demand,it can attach flash disk、micro printer and storage battery .onic flow meter


Ultrasonic Open Channel Flow Meters Specification 

Flow range

0~93m3/h(And determine the range with weir tank specifications)

Weir trough type

Triangular weir, Rectangular weir, Full width weir, Parshall flume

Display accuracy

Depending on the input signal. The flow error related with weir trough:

Triangular weir :1~2%; Rectangular weir: 1~4%; Parshall flume: 3%

Display

2.8 inches LCD display, it can display height of liquid level, Instantaneous flow rate, cumulative flow, time flow, daily flow, year flow, month flow, date, month and year, the battery level (Can be arbitrarily set)

Signal output

4-20mA, RS485/ RS232

Relay

contact capacity

AC:5A 120V DC:10A 24V

Power supply

Working power: DC24V, or AC 160V-250V

Normal power: <5 W

Physical property

Main body shape size: 240*184*110 mm;

Shell material: ABS

Transducer: PP

Connection: Thread or Screw fixation;

Installation: Screw M48*1.5

Keyboard: Five bit chip key

Sensor wire: 10M (Optional)

Environmental performance

Working temperature: 0~50℃  

Ambient humidity: ≤85RH  

Pressure: normal pressure

Data storage

The past 168 hour flow. The past 31 days flow. The past 36 months flow and The past 10 years flow

Optional instruments

Micro printer: 12V Battery

Level gauge lead: The most remote can be connected to 1000 meters, need to be set by yourself.

Minimum display resolution: 1MM

Temperature compensation: Automatic temperature compensation

Working frequency: 20KHZ~200KHZ (related to different models and specifications)

Locale setting: Through the machine button to complete

calibration: Factory calibration,also can on site calibration

Display: 3 lines LCD display

Support data collection


-Manuals

Ultrasonic Open Channel Flow Meters

-Data sheet


Ultrasonic Open Channel Flow Meters Application

Open channel flowmeter application field:

  • Urban water supply diversion canal

  • Thermal power plant cooling diversion river drainage channel

  • Sewage treatment inflow and discharge channels

  • Wastewater discharge from industrial enterprises

  • Water conservancy project

  • Agricultural irrigation channels, etc.



Ultrasonic Open Channel Flow Meters application


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