Explosion-proof speaker type listening stick

Trumpet-type listening stick is a kind of listening stick that is shaped like a trumpet. The types of listening sticks include stainless steel listening sticks, chrome-plated tool steel listening sticks, explosion-proof alloy copper listening sticks, etc. Of course, there are also pen-type electronic listening sticks and so on. Users can choose different listening stick products according to their own needs. Among them, explosion-proof listening sticks are made of non-ferrous metals that do not produce sparks when struck or hit, and are processed with high technology. They have high strength, good density, stable mechanical properties and good toughness. The explosion-proof performance reaches the category level standard. Working in hydrogen with a test concentration of % will not detonate gas or produce sparks. The minimum model of the listening stick can range from ￠*mm to ￠*mm, and the general unit is usually ￠*mm￠*mm ￠*mm￠*mm￠*mm￠*mm￠*mm￠*mm, etc. Our factory can produce various types of listening sticks according to user requirements. Type telescopic listening needle (listening stick). It is made of stainless steel and can be adjusted to any length. It can be opened up to mm and compressed to only mm at best. It is light in weight and can be placed in a tool bag. It is easy to carry, beautiful and elegant, and has a reasonable structure. The listening effect is extremely strong and it is an ideal tool for power plants, steel plants and other departments.