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The basic process and agency of MA certification

Coal safety certification is a mandatory product certification for equipment and products used underground in coal mines. It adopts the method of "product testing factory review", which not only tests the applied products, but also conducts on-site inspections and annual supervision reviews of the production ……

Can fiber optic temperature measurement products apply for explosion-proof certification? What are the technical requirements?

Fiber optic temperature measurement products mainly use sensing fibers for temperature measurement and monitoring, with advantages such as high accuracy, no electromagnetic interference, and real-time online. If this type of fiber optic cable is emitted to explosive hazardous areas, the possibility of explosion caused ……

What are the common misconceptions about explosion-proof certification for products?

What are the common misconceptions about explosion-proof certification for products? 1. The higher the explosion-proof level, the better. The explosion-proof level is related to the product structure, installation method, and usage location, and the appropriate one can be selected. Of course, under the premise that the……

How long is the validity period of ATEX certificate? Where can I apply for ATEX certification?

ATEX certification is an explosion-proof directive of the EU CE certification, with the directive code 2014/34/EU. It is mandatory for explosion-proof equipment and products to enter the EU market, and the product certification standards are EN 60079 and ISO 80079 series. It depends on what explosion-proof level and ex……

What are the main contents of AQ3009 explosion-proof electrical testing?

What are the main contents of AQ3009 explosion-proof electrical testing? Explosion proof electrical equipment in use should undergo regular explosion-proof testing to detect and promptly identify any issues that may arise during use, in order to minimize the risk of explosion. Many customers have asked, what are the co……

Do I need to do explosion-proof design before applying for explosion-proof certification for a product?

Do I need to do explosion-proof design before applying for explosion-proof certification for a product? That's for sure. To obtain explosion-proof certification for a product, it is necessary to pass the relevant testing items of explosion-proof standards and obtain the explosion-proof qualification certificate. To ens……

Do we still need a coal safety certificate if the product has an explosion-proof certificate?

Explosion proof certificate and coal safety certificate are applicable to different places. Explosion proof certificate generally refers to places used to remove various explosive gases and dust in coal mines. Coal safety certificate refers to the safety mark certificate of equipment and products used in coal mines. Th……

What is ATEX certification? How can companies apply for ATEX certification?

What is ATEX certification? How can companies apply for ATEX certification? ATEX is the EU CE certified explosion-proof directive, which is mandatory. The instruction code is 2014/34/EU, and the certification standard is EN60079, so when companies say they want to do explosion-proof CE certification, 2014/EU/34 or EN60……

Is the explosion-proof certification level Ex de higher than Ex d?

The composite explosion-proof certification mark indicates that a single explosion-proof type of the product cannot achieve explosion-proof, and two or more explosion-proof types must be used, such as explosion-proof equipment with an antenna. The antenna part is generally treated with intrinsic safety, and this equipm……

Does explosion-proof certification include explosion-proof 3C certification?

Let me put it this way, currently there are two types of explosion-proof certification in China: explosion-proof 3C certification and explosion-proof qualification certificate certification. The explosion-proof certificate and explosion-proof 3C certification are respectively for different explosion-proof products and ……