How to install fire alarm system
The two signal wires of the fire alarm do not distinguish between positive and negative poles. But the two wires can […]
Read More →The two signal wires of the fire alarm do not distinguish between positive and negative poles. But the two wires can […]
Read More →The traditional fire alarm system can not meet the need of social and economic development for fire prevention and control. So, […]
Read More →What’s the difference between fire sound-light alarm and explosion proof sound-light alarm? Below we will explain the function and characteristics of […]
Read More →There are two types of smoke alarm according to different types of sensors. They are ion smoke alarm and photoelectric smoke […]
Read More →1. The gas alarm device should be frequently calibrated and tested. Gas alarm device same as other analysis testing instrument, are […]
Read More →With the development of industrialization, various kinds of industrial accidents occur frequently, such as coal mine explosion, sulfur dioxide(SO2) poisoning, hydrogen […]
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