September 4, 2022

Notes on installation of smoke alarm

Note the installation of smoke detector: speaking of smoke detector, we recommend you to install our SR-825PHS- the best 10 year smoke detector,of course, we must know some knowledge that how to installing smoke detector before we start install detector. here are three tips: 1. Avoid installing it too close to doorways, windows, fans, etc. Generally, […]

August 18, 2022

Is it important to clean the domestic smoke detector frequently?

Speaking of domestic smoke detectors, it is a common alarm device in our daily life. It plays a certain alarm role in daily fire prevention and helps reduce property damage. So is it important to clean the smoke alarm frequently? If the domestic smoke detector sounds continuously, then there may be too much dust in the alarm, and […]

August 13, 2022

Do you know how a smoke optical alarm works?

smoke optical alarm realize fire prevention by monitoring the concentration of smoke. Our smoke detectors use photoelectric (optical)smoke sensors. Photoelectric smoke sensors are advanced technology, stable and reliable sensors and are widely used in various Fire alarm system The smoke moved up and reached the ceiling. Smoke optical alarm detect fires through smoke. When you don’t see the flame […]

August 11, 2022

what is the working principle of the iron magnetic contact sensor ?

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 […]

August 2, 2022

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 […]