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Specific Requirements for Plastic Enclosures of Explosion proof Electrical Equipment - Shenzhen Zhongnuo Testing

The limit value of surface resistance for non-metallic shells of explosion-proof equipment is required in hazardous areas with explosive dust or gases, vapors, such as coal powder, flour, aluminum powder, hydrogen gas, etc. Static electricity may cause fires or explosions, posing a high level of danger. Therefore, in e……

What is the relationship between explosion-proof certification and intrinsic safety certification?

Intrinsic safety is a type of explosion-proof protection, in addition to intrinsic safety, there are also explosion-proof, increased safety, sealing, and so on. The intrinsic safety certification can only say that this device adopts an intrinsic safety explosion-proof protection type and has obtained explosion-proof ce……

What is the process for obtaining explosion-proof 3C certification? Shenzhen Zhongnuo Testing

Explosion proof 3C certification CCC certification is also known as "China Compulsory Certification", abbreviated as CCC. It is a product qualification assessment system implemented in accordance with laws and regulations in China to protect consumer personal safety and national security, strengthen product q……

How to obtain the qualification certificate for installation, maintenance, and repair of explosion-proof electrical equipment?

The qualification certificate for installation, maintenance, and repair of explosion-proof electrical equipment is one of the essential qualifications for explosion-proof construction and renovation enterprises. Requirements and documents for obtaining the qualification certificate for explosion-proof electrical equipm……

What are the requirements for applying for explosion-proof certification and explosion-proof CCC certification for products? Shenzhen Zhongnuo Testing

This should be for products in the explosion-proof 3C catalog, such as motors, fans, walkie talkies, etc., all of which belong to the explosion-proof 3C catalog. Those who have previously obtained an explosion-proof certificate need to convert to an explosion-proof 3C certification certificate. The application for expl……

How should explosion-proof electrical equipment be selected- Shenzhen Zhongnuo Testing

The key is to see how this explosion-proof area is partitioned. Explosive gas environment is divided into Zone 0, Zone 1, and Zone 2. Flammable dust areas are divided into zones 20, 21, and 22. The selection of equipment depends on its protection level. The equipment protection levels corresponding to Zone 0, Zone 1, a……

How to understand the difference between explosion-proof and intrinsic safety explosion-proof?

Intrinsic safety and explosion-proof are two different types of explosion-proof protection. Generally, explosion-proof enclosures are used for protection. The explosion-proof enclosure should have sufficient thickness and strength. Even if an explosion occurs inside the equipment, the flame will be extinguished due to ……

Can inspection robots undergo explosion-proof certification? What are the requirements?

Many customers and friends are asking if inspection robots can obtain explosion-proof certification? According to what standards? What are the technical requirements, etc? Whether the product should undergo explosion-proof certification depends on whether it is used in explosive gas or dust environments; Can explosion-……

Standard requirements for obtaining an intrinsic safety explosion-proof certificate for methane monitoring devices

Standard requirements for obtaining an intrinsic safety explosion-proof certificate for methane monitoring devices: 1. Certification standards: 1. GB/T 3836.1-2021 Explosive Environment Part 1: General Requirements for Equipment 2. GB/T 3836.4-2021 Explosive Environment Part 4: Equipment Protected by Intrinsic Safety T……

The main content of electrical explosion-proof testing

The basic requirements for regular inspection of explosion-proof electrical equipment mainly include the following aspects: 1. Standards and cycles for regular inspection of explosion-proof electrical equipment. With the increasing popularity of explosion-proof electrical appliances, many explosive hazardous areas have……