May 23, 2022

How to install a wireless door contact sensor ?

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 […]

May 16, 2022

Reed switch door sensor

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 […]

May 11, 2022

What is a combination smoke heat detector?

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 […]

May 4, 2022

fire detector heat alarm FAQ

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”. […]