Description of the application of waterproof telephone in the industry

Description of the application of waterproof telephone in the industry

From a global point of view, waterproof phones originated in the first half of the last century, and they have not been in China for a long time. Probably in the 1990s, a number of Japanese aid projects to China entered the country. Internationally mainstream manufacturers include Gai-tronics in the United States, FHF in Germany, and leleas in France. Domestically, the main manufacturers are concentrated in Shenzhen, Ningbo and other regions. At present, Shenzhen 800tong has several complete sets of waterproof telephone products, providing solutions with various protection levels from IP65 to IP67.

Industrial waterproof telephones were originally used in high dust, high humidity, and high-risk operating scenarios to provide support for emergency and dispatch communications. Later, there were a large number of applications in highways and various tunnels. In recent years, with the development of urban pipe corridors, Higher requirements are put forward for industrial waterproof telephones, such as sound and light alarm, broadcast intercom, etc.

The following is a brief introduction to the protection level-IPXX (English ingress protection level)

Refer to the national standard "Enclosure Protection Grade GB4208-2008" and also apply IEC standard 60529:2001

for example

The first number represents the dust-proof level, from 1-6, 6 national standards are described as dust-tight-no dust is allowed to enter, that is, complete dust-the highest dust-proof level.

The second number represents the waterproof level, from 1-8, 6 national standards are described as anti-violent water spray-severe water spray from all directions has no harmful effects, that is, it is suitable for most work scenarios except explosion-proof applications.