GB/T 27991-2011 (English Version) PDF

Standard No.: GB/T 27991-2011
Language: Chinese, Available in English version
Release Date: 2011
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 27991-2011

Scope: This standard stipulates the terms and definitions, classification, technical requirements, test methods, inspection rules and marking, packaging, transportation, storage and other requirements of river sediment testing and particle analysis instruments. This standard is applicable to instruments for sediment testing and particle analysis of rivers, lakes, reservoirs, channels, etc.

GB/T 27991-2011 Referenced Document

GB/T 18185-2000 Specification of reliability for hydrologic instruments
GB/T 18522.6 General specification for hydrometric instrument.Part 6:Inspection regulation,mark,package,transportation,storage and operation manual
GB/T 19677 Essential technical terms and symbols for hydrologic instrument
GB/T 50095 Standards for basic terms and symbols in hydrology*， 2014-12-02 Update
GB/T 6005 Test sieves.Metal wire cloth,perforated metal plate and electroformed sheet.Nominal sizes of openings
GB/T 9359-2001 Basic conditions and methods of enviromental test for hydrologic instruments
SL 07-2006 Suspended sediment sampler

2011 GB/T 27991-2011 Fundamental technical requirements for sediment measurement and particle size analysis instrument in open channel