With the improvement and advancement of security technology, the application of various electronic password locks is becoming increasingly widespread.

Electronic lock, also known as the 51 seriessinglechip(AT89051) as the core, equipped withUsing corresponding hardware circuits, complete functions such as password setting, storage, recognition and display, driving electromagnetic actuators and detecting their driving current values, receiving alarm signals from sensors, and sending data.

How can electronic locks used in various explosive hazardous areas such as oil tankers and chemical workshops obtain explosion-proof qualification certificates?

How to apply for an explosion-proof certificate for an electronic password lock?

1. Provide information and samples toZhongnuo Testing

（1）Product information: Product drawings, electrical schematics, assembly drawings, structural drawingsBOMTable, etc

（2）Technical data: Enterprise standards and product manuals that meet explosion-proof requirements

（3）Sample: Quantity2-3individual

2. The procedure for applying for an explosion-proof certificate in Zhongnuo Testing

（1）The customer submits an application for explosion-proof certification

（2）WithZhongnuo TestingReaching a cooperation intention and signing a certification contract

（3）Customers toZhongnuo TestingProvide the required product information, technical data, and samples

（4）Laboratory arrangement for testing

（5）Provide a testing report

（6）Certificate issuance

3. Cost and cycle

The certification fee and cycle are related to the corresponding explosion-proof type and explosion-proof level. The specific fee and cycle require product information to be providedZhongnuo TestingFurther evaluation.