How to identify the wireless explosion-proof walkie talkie

How to identify the wireless explosion-proof walkie talkie

There is no difference between wireless explosion-proof walkie talkie and ordinary walkie talkie in appearance, but they are quite different from ordinary models in material and physical characteristics.

The wireless explosion-proof walkie talkie has passed the test certification of FMRC, an explosion-proof testing organization of the United States, and can be used in dangerous situations. For the definition of hazardous situation classification, please refer to the National Electrical Standard (NEC). The official text of this document can be obtained from the National Fire Protection Association, Document No.: NFPA / 70.

The explosion-proof certification mark (FM) is pasted on the bottom of the explosion-proof walkie talkie, indicating that the explosion-proof walkie talkie has passed the explosion-proof certification. Next to the explosion-proof sign will be marked the level of dangerous environment that the walkie talkie can use, the battery number of the walkie talkie that must be used together, the user manual number and the applicable temperature code. As long as it is used in strict accordance with the specified scope, safety can be ensured. The explosion-proof sign must be pasted after inspection before the product is shipped from Motorola factory. It is absolutely forbidden to "upgrade" the product to explosion-proof product in other places and paste explosion-proof sign

What kind of occasions need to use explosion-proof walkie talkie?

All the use fields of explosion-proof walkie talkie: production, transportation and storage places of fuel or chemicals, chemical plants, oil tanker warehouses, places with a large amount of fine sand and dust in the air, flour processing plants, flax processing plants, machinery processing workshops and coal processing sites, etc. In the above environment, in order to ensure normal work and improve work efficiency, it is still necessary to use walkie talkie as a necessary communication tool. At this time, the explosion-proof walkie talkie should be used.

What should be paid attention to when using explosion-proof interphone in dangerous environment?

Do not use the walkie talkie in any dangerous atmosphere without the certification of explosion-proof testing agency, otherwise it will easily cause explosion or fire. Even the products certified by the explosion-proof testing agency can not be used in dangerous atmosphere if they are physically damaged (such as the shell is broken), otherwise it is easy to cause explosion or fire. Do not replace batteries and other accessories in a hazardous environment. The contact spark generated during disassembly and assembly may cause explosion or fire. Even the products certified by the explosion-proof testing agency shall not be exposed to the outside when they are used in dangerous atmosphere. When it is not necessary to use the accessory connector, it shall be covered tightly with dust cover. Do not dismantle the products certified by explosion-proof testing organization by any means. Refit the intercom opportunity to change the original design structure of the hardware of the intercom. Only the original manufacturer of the product can be refitted in the production site certified by the explosion-proof testing agency. Unauthorized modification will lead to the invalidation of explosion-proof certification of the product.