GB/T 26794-2023 Counters for gas meters

GB/T 26794-2011 Indexes for diaphragm gas meters

GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 30789.3-2014 Paints and varnishes—Evaluation of degradation of coatings—Designation of quantity and size of defects,and of intensity of uniform changes in appearance—Part 3:Assessment of degree of rusting GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.17-1993 Basic environmental testing procedures for electric and electronic products Test Ka:Salt mist GB/T 2423.17-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ka:Salt mist GB/T 2423.17-2024 Environmental testing—Part 2:Test methods—Test Ka:Salt mist GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres—Part 4:Intrinsic safety“i” GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i" GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB/T 4214.1-2000 Acoustics-Household and similar electrical appliances—Test code for determination of airborne acoustical noise—Part 1:General requirements GB/T 4214.1-2017 Test method for noise of household and similar electrical appliances—General requirements GB/T 6968-1997 Diaphragm gas meters GB/T 6968-2011 Diaphragm gas meters GB/T 6968-2019 Diaphragm gas meters GB/T 17626.2-1998 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.2-2006 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.3-1998 Electromagnetic compatibility—Testing and measurement techniques-Radiated, radio-frequency, electromagnetic field immunity test GB/T 17626.3-2006 Electromagnetic compatibility—Testing and measurement techniques—Radiated, radio-frequency, electromagnetic field immunity test GB/T 17626.3-2016 Electromagnetic compatibility—Testing and measurement techniques—Radiated,radio-frequency,electromagnetic field immunity test GB/T 17626.3-2023 Electromagnetic compatibility—Testing and measurement techniques—Part 3:Radiated,radio-frequency,electromagnetic field immunity test GB/T 17626.8-1998 Electromagnetic compatibility—Testing and measurement techniques—Power frequency magnetic field immunity test GB/T 17626.8-2006 Electromagnetic compatibility—Testing and measurement techniques—Power frequency magnetic field immunity test GB/T 17626.9-1998 Electromagnetic compatibility Testing and measurement techniques Pulse magnetic field immunity test GB/T 17626.9-2011 Electromagnetic compatibility—Testing and measurement techniques—Pulse magnetic field immunity test GB/T 39841-2021 Ultrasonic gas meters GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 17626.9-2025 Electromagnetic compatibility—Testing and measurement techniques—Part 9:Impulse magnetic field immunity test