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Process and standards for obtaining explosion-proof and explosion-proof certificates for gas analyzers

1、 Test items

1. Structural inspection

2. Temperature testing

3. Thermal shock test

4. Heat and cold resistance test

5. Impact resistance test

6. IP testing

7. Shell withstand voltage test

8Internal ignition without detonationtest

9. Heat test

2、 Certification standards

GBT 3836.1-2021 Explosive Atmospheres Part 1: General Requirements for Equipment

GBT 3836.2-2021 Explosive Atmospheres Part 2_ Equipment protected by explosion-proof shell "d"

3、 Certification process

1. Preliminary consultation, Zhongnuo Testing provides certification scheme and signs contract

2. Provide certification materials to Zhongnuo Testing for evalsuation, and Zhongnuo proposes targeted rectification plans

3. LaboratoryExplosion proof test

4. Provide a test report

5. IssuanceExplosion proof certificatecertificate

4、 Success stories