AS 3778.6.4:2022 Measurement of water flow in open channels, Part 6.4: Measuring devices, instruments and equipment — Echo sounders for water depth measurements (ISO 4366:2007, IDT)
AS 3778.6.4:2022 identically adopts ISO 4366:2007, which provides information concerning the principles of operation, selection and performance criteria for echo sounders used in depth measurements for open-channel flow (and related) measurements. The use of standard terminology is promoted.
AS 3778.6.4:2022 history
2022AS 3778.6.4:2022 Measurement of water flow in open channels, Part 6.4: Measuring devices, instruments and equipment — Echo sounders for water depth measurements (ISO 4366:2007, IDT)
1970AS 3778.6.4:1992 Measurement of water flow in open channels - Measuring devices, instruments and equipment - Echo sounders for water depth measurements