This standard specifies the terms and definitions, product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of propeller flow meters. This standard is applicable to propeller-type current meters (current meters for short) that measure the average flow velocity (which may also include flow direction) at natural water bodies such as rivers, coasts, ports, waterways, and navigation buildings.
JT/T 570-2004 Referenced Document
GB/T 15464 Gmeneral-purpose specification for the packaging instrumentation products
GB/T 191 Packaging.Pictorial marking for handling of goods*, 2008-04-01 Update