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How to apply for explosion-proof certificate for combined equipment?

There are now many combination devices used in explosion-proof areas to achieve more complex functions. In response to the explosion-proof certification technical requirements for such equipment, Zhongnuo Testing has summarized years of industry experienc

What are the standards for testing and certification of explosion-proof electrical equipment?

First of all, it is necessary to distinguish whether the product needs to undergo certification or whether explosion-proof electrical testing is required in on-site locations. On site explosion-proof electrical testing is carried out in accordance

What is the difference between intrinsic safety certification and coal safety certification for products?

Intrinsic safety certification, also known as intrinsic safety explosion-proof certification. In the explosion-proof industry, explosion-proof protection types are divided into explosion-proof, intrinsic safety, increased safety, positive pressure, pourin

What does the explosion-proof symbol Ex db ib IIC T4 Gb mean?

The explosion-proof sign can be said to be the ID card of an explosion-proof equipment. Through the explosion-proof sign, one can understand the explosion-proof type adopted by the equipment, the applicable explosive places and explosion-proof areas, and

What are the technical requirements for positive pressure explosion-proof certification of products?

Positive pressure explosion-proof refers to the introduction of clean air or inert gas into the interior of the equipment, causing the internal pressure of the equipment to be higher than the external explosive environmental pressure, isolating explosive

What are the requirements for obtaining explosion-proof certificates for robot products?

More and more robot products are being used in explosion-proof places now. Many customers have asked, how do robot products undergo explosion-proof certification? What are the technical requirements? According to what standards? Do we need to send samples

Can ODM/OEM companies apply for explosion-proof certification and explosion-proof 3C certification?

Many customers are asking if their products are OEM produced, ODM branded, or purchased. They are asking if it is possible to apply for an explosion-proof certificate or explosion-proof 3C certification. Here, Zhongnuo Testing introduces the requirements

Where are the certifications for explosion-proof ATEX certification and IECEx certification?

ATEX certification is a mandatory certification for explosion-proof products in the European Union, and is a CE certification explosion-proof directive applicable to EU countries and regions. IECEx is the International Electrotechnical Commission's ce

The basic process and agency of MA certification

Coal safety certification is a mandatory safety certification for equipment and products used underground in coal mines. It adopts a "product testing+factory review" approach, which involves both testing the applied products and conducting on-si

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

Fiber optic temperature measurement products are mainly used for temperature measurement and monitoring through sensing optical fibers, which have advantages such as high accuracy, no electromagnetic interference, and real-time online monitoring. If this type of optical fiber is emitted into an explosive hazardous area……