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AS 3778.6.1:2022 Measurement of water flow in open channels Measuring devices, instruments and equipment - Rotating-element current meters (ISO 2537:2007, IDT)
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AS 3778.6.1:2022 identically adopts ISO 2537:2007, which specifies the operational requirements, construction, calibration, and maintenance of rotating-element devices for the measurement of flow velocities in open channels.