How to divide the explosion-proof rating of an explosion-proof camera

Explosion-proof camera explosion-proof grades, reflected in the explosion-proof certificate, first look at the purchase of explosion-proof certification on the explosion-proof mark can meet the requirements. If you can meet the requirements to purchase. If it is an explosion-proof certification, a professional explosion-proof certification body will determine whether the prototype explosion-proof rating is consistent with the national standards for electrical explosion protection. Can pass the explosion-proof certification.

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