So you’ve accidently exposed yourself to pepper spray (Oleoresin Capsicum), or maybe you’ve successfully restrained an attacker who is now lying on the ground in pain and gasping for air. What do you do? Do Not Do not rub the affected area. Rubbing just forces more of the stuff into the skin. Do not rub […]
Why is a PIR Better Than a Beam in Your Intruder Alarm? Firstly let me explain these two intruder detectors in a bit more detail. Acitve Infrared (IR) Beam This detector consists of two parts, the transmitter and the receiver. The transmitter emits a beam of infrared (IR) light and the receiver picks up this […]
Because the detection angle of most PIRs is 90 degrees, it is best installed in the corner of the room at a height of about 2.2 metres. For best results consider the following points when selecting the mounting point of your PIR:– Ideally the PIR should be mounted so that the path of an intruder […]
With the recurrence of the dreaded load shedding from our favourite electricity supplier, the spectre of arriving home to find the electricity off is all too real. One of the uses of the Centurion G-Switch is to warn you of this scenario in advance. Setting up one of its two inputs to a battery powered […]