Introduced the types and principles of explosion-proof protection for non electrical equipment, as well as the standards and explosion-proof symbols for explosion-proof certification of non electrical……
In explosive environments, in addition to the use of electrical equipment, a large number of non electrical devices are also used, such as conveyors, air compressors, mixers, exoskeleton equipment, et……
According to the relevant provisions of the Announcement of the State Administration for Market Regulation on the Implementation of Compulsory Product Certification Management for Commercial Gas Combu……
Intrinsically safe circuits should meet the following three basic criteria: a) According to the protection level and equipment category specified in the electrical equipment regulations, spark ignitio……
With the technological advancement and automation of industrial technology, more and more integrated devices are being applied to flammable and explosive hazardous areas. Common ones include automated……
Positive pressure type "p" is an explosion-proof protection type that maintains the pressure of the protective gas inside the shell higher than the external pressure to prevent external flam……
In flammable and explosive environments, optical equipment is often used together with electrical equipment. For example, optical equipment such as fiber optics, lasers, and light-emitting diodes (LED……
In flammable and explosive environments, in addition to using electrical equipment, a large number of non electrical devices are also used, such as mechanical valves, chain hoists, exoskeleton hydraul……
Common handheld terminal devices include mobile phones, walkie talkies, PDAs, 4G/5G terminals, etc. These devices are often used by personnel entering flammable and explosive hazardous areas. Generall……
In today's information age, sensors have already penetrated into a wide range of fields such as industrial production, space development, ocean exploration, environmental protection, resource investig……
New Year's Day holiday in 2024: December 30th and 31st, 2023, and January 1st, 2024 (Monday), for a total of three days.Please plan your vacation in advance and enjoy the joy it brings,Balancing wor……