PF-21A29PQ

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The world of alarms, buzzers and sirens is ever changing, with new products always emerging onto the market. However, one piece of security equipment that has stood the test of time is the PF-21A29PQ. This reliable alarm system is trusted by many security professionals and has been used to successfully secure a range of environments.

To understand the working principle of the PF-21A29PQ, first it’s important to understand the basics of alarm systems. An alarm system is comprised of two components - a sensor and an alarm – often referred to as an alarm & detector combination. The sensor detects the presence of an intruder or the presence of something that isn’t normally present. When the intruder is detected, the alarm is triggered, often activating a loud siren to alert nearby people to take action and inform the appropriate authorities.

The PF-21A29PQ is an alarm and detector combo that is designed to provide maximum protection. The sensor part of the system is made up of two components: an infrared detector and an ultrasonic detector. The infrared detector is triggered when it detects a ‘hot’ body, such as the human body, and the ultrasonic detector is triggered when it detects a sound or vibration. Once either of these detectors is triggered, the alarm is activated and a loud siren is sounded.

The PF-21A29PQ is a powerful alarm system suitable for a range of applications. It is used in areas such as shops, offices, homes, warehouses, and other outdoor spaces to detect intruders. It is often used in conjunction with other security systems, such as an access control system, to provide multiple layers of security.

The alarm system is also suitable for use in instances where a combination of motion and sound detection is required. For example, if the system detects somebody entering a restricted area, it can alert a guard or security officer to investigate further, as well as sound an audible alarm.

The PF-21A29PQ is a reliable and robust security product, offering an effective deterrent to potential intruders. It is easy to install and is compatible with a wide range of security systems. It is an ideal choice for those looking for a reliable and cost-effective security solution.

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