The iron metal magnetic contact sensor is a small accessory can used to monitor the state of the iron door. It is mainly divided into two parts: part with leads, which is installed on a fixed door frame, and the leads are connected to the controller; the second part does not have The lead is a magnetic […]
Home security door sensors operation principle
The door sensor system is a safety alarm system. If the home security door sensors not noticed, the door sensor will not be easy to see. The so-called home security door sensors is actually a door sensor switch consisting of two parts: the smaller part is a permanent magnet that is used to generate a constant magnetic […]
The door sensor is an important part of the anti-theft alarm system. Generally, it is a wireless door contact sensor, which is divided into two parts, the sensor and the magnetic strip, and can be installed on the door and the door frame (window and window side).then let us tell you how to install the wireless […]
magnetic door contact switch
Reed switch door sensor is a kind of device for security alarm. It consists of wireless transmitter and permanent magnet. It is used to detect whether doors, windows, drawers, etc. have been opened or moved illegally.The reed switch door sensors effectively protect people’s lives and property. The English name reed switch door sensor, there are two ways for […]
Fire Detector It is a device for detecting fires in the automatic fire alarm system for fire detection. The main classifications are smoke detectors, heat detectors, and combinationsmoke heat detectors. The temperature-sensitive fire detector uses the sensitivity of the thermal element to the temperature to detect the ambient temperature. It has a built-in single-chip microcomputer […]
smoke heat detector
What does a fire detector heat alarm do?A detector heat alarm is a fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element. … All heat detectors have this thermal lag. In addition, Heat detectors have two main classifications of operation, “rate-of-rise” and “fixed temperature”. […]
Manual alarm call point