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At present, international IECEx certification and EU ATEX certification adopt a combination of product testing and factory production quality system. In IECEx and ATEX certification, there are clear requirements for the manufacturer's quality system in the explosion-proof standard EN ISO/IEC 80079-34. Below is a brief introduction to the specific requirements for the person responsible for explosion-proof authorization.

According to the requirements of the explosion-proof quality system EN ISO/IEC 80079-34, at least one explosion-proof authorization person must be appointed (if there are multiple production addresses, each address must have an explosion-proof authorization person). Among them, the responsibilities of the explosion-proof authorization person include:

1. Effective coordination of activities related to products used in explosive environments.

2. Any changes proposed to the design specified in the EX certificate and technical documents must be communicated with the agency responsible for issuing the EX certificate.

3. Any proposed changes to the quality system require communication with the organization responsible for quality system inspection.

4. Authorization for preliminary approval and modification of relevant drawings when applicable.

5. Authorization for concession release.

6. Notify customers of any special conditions for safe use and any restricted directory.

7. Review Ex certificates and technical documents, and mark any changes that affect the consistency between the product and the certificate.

8. Other responsibilities:

——Participate in management review

——Coordinate internal audit

——Participate in external training

——Organize training for personnel related to explosion prevention

——Second party audit of key explosion-proof suppliers

——Order review

——Changes in Products and Services

The above responsibilities must be written into an authorization letter and included as part of the quality system documents for review by the certification body.