PF-21N30WQ

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Alarms, buzzers, and sirens are critical devices used to alert people of danger or potential threats. The PF-21N30WQ is a compact, high-powered siren and alarm system that is used in a variety of applications for both indoor and outdoor situations. This system has the features needed to provide a safe and secure environment, whether it be used for residential home security or commercial use. In this article, we will examine the application field and working principle of the PF-21N30WQ.

The PF-21N30WQ has a wide range of applications, from small residential to commercial and industrial settings. It is suitable for use as perimeter alarms for residential home security, intrusion alarms for commercial premises, and industrial alarm systems. It can also be used to create a warning system for hazardous areas and to alert personnel of potential danger. The siren has a maximum sound output of up to 120dB in some applications, making it suitable for use in commercial and industrial applications where loud sound is needed.

The working principle of the PF-21N30WQ is based on sound waves generated by a built-in loudspeaker driven by an electronic circuit and amplifier. This produces a loud sound at a high sound pressure level, which immediately draws attention to the alarm. It features two different sound patterns, one for alerting of impending danger and one for indicating when the alarm is triggered. The two patterns are set by an on/off switch. The sound patterns are also configurable with the help of a sound editor to fine-tune the sound’s volume, frequency, and duration.

The main components of the PF-21N30WQ include a loudspeaker, a microphone, an amplifier, and a control panel. The loudspeaker is able to generate a high-pitched sound that can spread over a wide area. The microphone is used to detect sound patterns and alert the system when an alarm is triggered. The amplifier boosts the signal of the loudspeaker and intensifies the sound output. The control panel is used to adjust the sound pattern settings and to control the volume of the siren. The system also features LED indicators to show if the alarm is triggered or not.

The PF-21N30WQ has multiple mounting options including wall mounting, pole mounting, and desktop mounting. It is suitable for both indoor and outdoor installations and is IP54 rated for water and dust protection. It is also compatible with many alarm monitoring systems and can be configured to operate with security cameras and automated systems.

In conclusion, the PF-21N30WQ is a powerful and reliable siren and alarm system which is perfect for use in a variety of applications. It has the features needed to provide a safe and secure environment, whether it be used for residential home security or commercial use. Its wide application range, powerful sound output, and various adjustable settings make it the perfect choice for any alarm system setup.

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