在线国产精品视频_成人看片在线观看_性色av一区二区三区_欧美精品一区二区三区在线播放_亚洲欧洲一级片_91一区二区

What documents are required to apply for an explosion-proof certificate, and how do customers provide explosion-proof certification documents?

Shenzhen Zhongnuo Testing Technology Co., Ltd. summarizes the required materials for explosion-proof certification here. The required materials for different explosion-proof types may vary. The following materials are for reference only, and a detailed list can be further consulted with us.

1. Product drawing data

(1) Circuit schematic diagram

(2) Final assembly drawing

(3) PCB diagram

(4) Structural diagram

(5) Component List (BOM)

(6) Nameplate diagram, etc

2. Technical documents (belonging to professional technical documents, Zhongnuo Testing can assist enterprises in preparing them)

(1) Enterprise standard (product explosion-proof related test items)

(2) Product manual (including content on explosion-proof standards)

3. Application Materials for Explosion proof Certificate

(1) Copy of Business License

(2) Product Name

(3) Product model, etc

4. Other information

(1) Battery specification sheet

(2) Shell Material Report

(3) Sealing process document

(4) Copy of explosion-proof certificate for Ex components

(5) Wireless transmission power report or SRRC certificate for wireless module

5. Sample

(1) 1-2 complete machine samples

(2) 10 batteries

(3) Unfolded circuit board

(4) Associated devices

(5) Surface resistance test block for non-metallic materials (150x60x3mm)

(6) Explosion proof shell

Explanation: Not all of the above information needs to be provided, and it needs to be evaluated based on the product structure and explosion-proof type. Further communication is welcome.