Frame-Type Ultrasonic Open Channel Flow Meter
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Hydrology & hydraulics
Frame-Type Ultrasonic Open Channel Flow Meter
Frame-type open channel flowmeter, same principle as box-type, analyzes flow velocity in medium-wide channels, lightweight with high strength, covering up to 3m channels with box-type..
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Product Introduction


The frame-type open channel flow meter is based on the same ultrasonic time-difference measurement principle as the box-type ultrasonic open channel flow meter. It accurately captures the time difference signals of water flow in the forward and reverse directions through bidirectional ultrasonic transceiver units, and combines with a layered independent calculation mechanism to realize three-dimensional analysis of cross-sectional velocity. It is suitable for medium-width rectangular channels with a width of 1.5m to 3.0m.

This product adopts an aviation-grade aluminum alloy frame structure, which combines light weight and high strength. It supports two installation modes: integral hoisting and segmented assembly, which can meet the rapid deployment needs of different working conditions. When combined with the box-type ultrasonic open channel flow meter to form a "narrow-wide" combination solution, it can fully cover channels with a width of up to 3m.

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Sediment calculation


Equipped with the function of detecting the sediment height of the flow cross-section; automatically deducts the cross-sectional area occupied by sediment during flow calculation to improve the accuracy of flow data


Technical data

  • Item

    Parameter

  • Flow velocity measurement range

    1-8m/s

  • Error

    ±2.5mm

  • Transducer arrangement

    Same-layer cross distribution

  • Metering accuracy

    ±3%

  • Power supply voltage

    DC12V

  • Power consumption

    ≤1W

  • Protection class

    IP68

  • Flow measurement method

    Velocity-area method

  • Installation method

    Embedded installation or retaining wall installation

  • Flow measurement box material

    Inner chamber fixed by welding, with anodizing treatment

  • Water level measurement

    Electronic water gauge

  • Applicable channel type

    Rectangular

  • Number of channels

    4-16 channels (depending on channel depth)

  • Calibration method

    Channel-by-channel calibration before delivery

  • Communication

    RS485 Modbus protocol

  • Operating temperature

    -40°C~+85°C

  • Velocity measurement method

    Ultrasonic time-difference method

  • Signal technology

    Signal amplification technology to ensure signal transmission quality

  • Transducer frequency

    1MHz

Materials

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