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Zhongnuo Testing provides professional dust explosion-proof certification

With the rapid development of China's economic construction and the increasing scale of industrial production, explosion-proof issues have become more important. Explosion proof electrical products wi……

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Implementation Rules for Testing Methods of Intrinsically Safe Electrical Equipment

Scope 1 stipulates the inspection procedures, data review, prototype testing, and testing of intrinsically safe electrical equipment for explosive environments. This testing implementation rule is a s……

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General explosion-proof performance test items for explosion-proof electrical equipment

General explosion-proof performance test items for explosion-proof electrical equipment - Project basis and requirements - Visual inspection

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Application of Battery in Explosion proof Certification Technology

Battery is an essential core component in some explosion-proof equipment, especially in portable products. Secondary batteries are commonly used in explosion-proof mobile phones, explosion-proof walki……

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Process for obtaining explosion-proof qualification certificate

Explosion proof certification product inspection procedure: 1. Explosion proof certification products should hold a power of attorney, business license, or measurement certification certificate (copy)……

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The meaning of explosion-proof symbols for explosion-proof electrical equipment in China

Gas explosion-proof symbol Ex d ib Ⅱ C T4 Gb ◆ Ex: indicates that the electrical equipment meets one or more explosion-proof types listed in the Chinese GB3836 series explosion-proof standards and can……

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As of 2018, the current national explosion-proof standards and certification types

The standards for explosion-proof certification in our country are synchronized with IEC certification. The officially approved explosion-proof certification by the state is divided into eight differe……

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The types and scope of application of explosion-proof certificates

The types of explosion-proof certificates include explosion-proof type (d), increased safety type (e), intrinsic safety type (i), positive pressure type (p), n type (n), oil filled type (o), sand fill……

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Q&A on explosion-proof certification

Explosion proof certification refers to the work of determining that equipment meets the requirements of explosion proof standards, conducting type tests and routine tests, and issuing relevant certif……

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Classification of Dust Explosion proof Electrical Equipment and Dust Explosion proof Signs

Electrical equipment used in dust explosive hazardous areas should be selected according to the current national standard GB 12476.2-2010 "Electrical Equipment for Combustible Dust Environments P……

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