Solution after an error occurs in the explosion-proof p…

The anti-riot pressure transmitter is an intelligent digital display pressure measurement and control performance integrating pressure measurement, display, output and control. Its performance and characteristics are as follows: The microprocessor can implement software control on the sensor acco

Fire-resistant lifeline is a life-saving or self-help t…

The fire-resisting lifeline is mainly used as a life-saving or self-rescue tool carried by firefighters. It can also be used to transport fire-fighting rescue equipment. It can also be used as a rope for fire detection. When some large factories and mines cause a large area of ​​smok

How does security surveillance prevent lightning strike…

How does the security monitoring prevent lightning strikes? In order to be able to accurately and effectively solve the lightning protection scheme of the security monitoring system, we must first understand the system composition of the security monitoring system accurately, and then accurately a

Infrared alarm working principle analysis

Infrared alarms are available in both active and passive modes. The active infrared alarm device is an alarm that actively emits infrared rays. When the infrared rays hit an obstacle, they will bounce back and be received by the probe of the alarm. If the probe is detected, the infrared light is s