Often, we come across products labeled withATEX certification markThose who understand the industry will immediately know which regions and environments the product is suitable for,People who are not familiar with the industry will not understand it even after reading for a long time. So we How to interpret and understand the ATEX certification mark.
Below, Zhongnuo Testing will take you to interpret the meaning of the ATEX logo
We often see nameplates like the one below, so what does each letter and number represent?
1. The CE letter represents that the product meets the requirements of CE regulations, as ATEX is also an explosion-proof directive in CE certification.
The four digits after CE represent the announcement number registered by the issuing authority on the EU official website, which can be queried on the EU official website.
3. The Ex in the hexagon represents the symbol of explosion-proof products and is the EU explosion-proof certification mark;
4. II represents the group of equipment, that is, the usage area of the product, which is divided into "I" and "II". "I" represents equipment used in mining environments, and "II" represents equipment used in non mining environments;
5. 2 represents the explosive zone used by the device, 1 represents Zone 0, 2 represents Zone 1, and 3 represents Zone 2,
6. G represents gas environment; D represents dust environment
7. Ex is an explosion-proof label;
8. db indicates that the explosion-proof protection type is explosion-proof;
9. IIC indicates that the gas in the gas environment is hydrogen or acetylene;
10. T4 represents temperature, with a maximum surface temperature not exceeding 135 degrees;
11. Gb represents the equipment protection level and is suitable for Zone 1 and Zone 2 in explosive gas environments
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