Ex certification is explosion-proof certification. Used to determine device complianceExplosion proof standardThe work of conducting requirements, type tests, and applicable routine tests, and issuing relevant certificates of conformity. The certificate can be specific to Ex equipment or Ex components.

It is common to see a red Ex mark on explosion-proof equipment, indicating that the equipment meets the requirementsExplosion proof standardRequirements.

The ex certification we often refer to not only refers to domestic certificationExplosion proof certificationIn fact, international explosion-proof equipment is generally labeled with the Ex mark, and explosion-proof equipment in the European Union market often has a hexagonal Ex frame mark.