This standard specifies the product type, structural composition, technical requirements, test conditions and methods, inspection rules, signs and instructions for use, packaging, transportation and storage of water surface evaporators. This standard applies to the water surface evaporators used in the water surface evaporation observation station network, but not to the large evaporation ponds in the evaporation experiment stations.
GB/T 21327-2007 Referenced Document
GB 9969.1 General principles for preparation of instructions for use of industrial products
GB/T 1449 Fibre-reinforced plastic composites-Determination of flexural properties
GB/T 18185 Specification of reliability for hydrologic instruments*, 2014-07-08 Update
GB/T 18522.2 General specification for hydrometric instruments--Part 2: Referential operating condition
GB/T 19677 Essential technical terms and symbols for hydrologic instrument
GB/T 3854 Test method for hardness of reinforced plastics by means of a Barcol impresser*, 2017-09-07 Update
GB/T 9359-2001 Basic conditions and methods of enviromental test for hydrologic instruments