Provides information concerning the principle of operation, performance and selection criteria for echo sounders used in depth measurements for open channel flow (and related) measurements. The use of standard terminology is promoted. Information on the characteristics of sound in water is provided in annex.
ISO 4366:1979 history
2007ISO 4366:2007 Hydrometry - Echo sounders for water depth measurements
1979ISO 4366:1979 Echo sounders for water depth measurements