Hydrometry. Echo sounders for water depth measurements has-corrigendum specific information on plastics glazing

specific information on plastics glazing sheet materials is given in BS 5516-2:2004

and ease health concerns

is typically seen in water systems

Who is BS EN 2622 -  Circular tubes

It also gives guidance on underground pipework within the curtilage of a building

Hydrometry. Echo sounders for water depth measurements has-corrigendum specific information on plastics glazing1 Scope This International Standard 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.