This standard specifies the product classification and basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage of metal tube float flowmeters. This standard applies to metal tube float flow meters (hereinafter referred to as flow meters) that measure liquid, gas or steam flow in closed pipes.
GB 3836.2 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"
GB 3836.4 Explosive atmospheres.Part 4:Equipment protection by intrinsic safety "i"
GB 4208 Degrees of protection provided by enclosure(IP code)
GB/T 13384-2008 General specifications for packing of mechanical and electrical product
GB/T 17626.11 Electromagnetic Compatibility Testing and Measurement Techniques Part 11: Voltage Dips, Short Interruptions and Voltage Variation Immunity Tests for Equipment with Input Current Less than or Equal to 16 A per Phase*， 2023-05-23 Update
GB/T 17626.3 Electromagnetic compatibility test and measurement technology Part 3: Radio frequency electromagnetic field radiation immunity test*， 2023-12-28 Update
GB/T 18271.3 Process measurement and control devices—General methods and procedures for evaluating performance—Part 3: Tests for the effects of influence quantities*， 2017-07-12 Update
GB/T 191-2008 Packaging.Pictorial marking for handling of goods
GB/T 25480-2010 Basic environmental conditions and testing methods for transportation and storage of instruments