What qualification certificates are required for explosion-proof construction?

The qualification certificate for the installation and maintenance of explosion-proof electrical equipment is highly useful for explosion-proof electrical construction. This certificate is one of the mandatory qualifications for companies engaged in the e

What do the Ex and MA marks on the certificate mean respectively?

Many customers are confused about the meanings of the Ex and MA marks. As a professional explosion-proof testing and certification institution, STS Testing (Shenzhen) Co., Ltd. will give a brief explanation to you. The Ex mark is an abbreviation of the

What are the differences between gas and dust Ex certification?

The so-called gas explosion-proof certification and dust explosion-proof certification are classified according to the applicable environments of the equipment. Equipment for use in various hazardous gas atmospheres undergoes gas explosion-proof certif

What are the categories of Excertification?

Explosion-proof certification can be mainly divided into the following categories: 1. Compulsory Explosion-proof Certification (CCC-Ex) This is a mandatory product certification for certain types of explosion-proof electrical equipment. Starting fro

How to apply for MA Marking?

MA Certification is a mandatory product certification for equipment and products used in underground coal mines, adopting the mode of "product testing + factory inspection". It requires not only testing the applied products but also conductin

What Ex certifications are required for Ex products?

Which Ex certifications an Ex product needs to obtain is determined by the product category and application scenarios. Domestically, Ex products are currently divided into mining-Ex products and non-mining-Ex products. Mining-Ex products used in coa

Principles and Scope of Application for Ex "i" Certification

Intrinsic safety is a common explosion-proof protection mode on the current market. Its core principle is to limit the circuit energy of electrical equipment, ensuring that the electric sparks or thermal effects generated by the equipment under normal ope

The Notified Body of ATEX Ex Certification in EU

ATEX derives its name from the French term ATmosphères Explosibles (potentially explosive atmospheres). ATEX certification refers to the conformity assessment system stipulated in Directive 94/9/EC on Equipment and Protective Systems for Potential Explosi

the differences Between Flameproof and Intrinsically Safe Ex Certification

Which is safer for equipment: Flameproof (Ex d) protection or Intrinsic Safety (Ex i) protection? And how to choose between them? STS briefly explains the relationship and differences between Flameproof and Intrinsic Safety protection from the following a

The Necessity of Obtaining Ex Certification for Ex Products

Explosion-proof certification refers to a technical authentication process that verifies whether equipment complies with explosion-proof standard requirements. It involves conducting type tests and routine tests, and issuing qualification certificates to