GB/T 28471.1-2012 Safety barrier for use in industrial-process measure and control systems—Part 1:General technical specification

GB/T 28471.2-2012 Safety barrier for use in industrial-process measure and control systems—Part 2:Methods of evaluating the performance

GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 17212-1998 Industrial-process measurement and control—Terms and definitions GB/T 17614.1-2008 Transmitters for use in industrial-process control systems—Part 1:Methods of evaluating the performance GB/T 18271.1-2000 Process measurement and control devices—General methods and procedures for evaluating performance—Part 1:General considerations GB/T 18271.2-2000 Process measurement and control devices—General methods and procedures for evaluating performance—Part 2:Tests under reference conditions GB/T 18271.3-2000 Process measurement and control devices—General methods and procedures for evaluating performance—Part 3:Tests for the effects of influence quantities 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 3836.13-1997 Electrical apparatus for explosive gas atmospheres—Part 13:Repair and overhaul for apparatus used in explosive gas atmospheres GB 3836.13-2013 Explosive atmospheres—Part 13:Equipment repair,overhaul and reclamation GB/T 3836.13-2021 Explosive atmospheres—Part 13:Equipment repair,overhaul,reclamation and modification GB 3836.15-2000 Electrical apparatus for explosive gas atmospheres—Part 15:Electrical installations in hazardous areas (other than mines) GB/T 3836.15-2017 Explosive atmospheres—Part 15:Electrical installations design,selection and erection GB 3836.15-2024 Explosive atmospheres—Part 15:Specification of electrical installations design,selection and erection GB 3836.16-2006 Electrical apparatus for explosive gas atmospheres—Part 16:Inspection and maintenance of electrical installation(other than mines) GB/T 3836.16-2017 Explosive atmospheres—Part 16:Electrical installations inspection and maintenance GB/T 3836.16-2022 Explosive atmospheres—Part 16:Electrical installations inspection and maintenance GB 3836.16-2024 Explosive atmospheres—Part 16:Specification of electrical installations inspection and maintenance GB 3836.18-2010 Explosive atmospheres—Part 18:Intrinsically safe system GB/T 3836.18-2017 Explosive atmospheres—Part 18:Intrinsically safe electrical systems GB/T 3836.18-2024 Explosive atmospheres—Part 18:Intrinsically safe electrical systems