Hydrometry. Echo sounders for water depth measurements has-corrigendum BS ISO 4040:2009 Road vehicles

BS ISO 4040:2009 Road vehicles

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

Requirements for labelling and syringe barrels have been revised

standard enterprises

Visual inspection is useful in detecting defects or failures in these components

Hydrometry. Echo sounders for water depth measurements has-corrigendum BS ISO 4040:2009 Road vehicles1 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.