SC648AJ

The SC648AJ alarm, buzzer, and siren is designed for use in applications requiring low-level or high-level audible or visual signals. It utilizes a low-current, piezoelectric signal generator, which emits a loud, penetrating resonant tone at frequencies greater than 4000 Hz. The sound pressure level of the signal is 86 dB at 25 cm. The SC648AJ alarm, buzzer, and siren is typically used in applications requiring a loud, penetrating signal for fire alarms, smoke detectors, access control systems, and burglar alarms.

The SC648AJ alarm, buzzer, and siren is designed for low level operation, and has a low power consumption of only 400 mA. The system utilizes a combination of an easily programmable microcontroller, audio amplifier, and signal generator to provide the desired sound. The signal generator utilizes piezoelectric technology to generate a loud, penetrating siren signal at frequencies greater than 4000 Hz. The signal generator is designed to produce both low and high-level signals, depending on the parameter settings.

The SC648AJ alarm, buzzer, and siren utilizes the standard Jandy Pulse Flash feature to provide a variety of customizable alarms. The Pulse Flash feature allows the user to program up to seven selectable sound levels and three degrees of sound intensity. This feature also allows the user to customize the sound level by selecting from various sound intensity levels. The flash rate of the signal can be adjusted from three pulses per second to seventeen pulses per second. This allows the user to adjust the flash rate of the signal to suit the environment in which the alarm is installed. Additionally, the flash duration can also be adjusted to suit the application.

The SC648AJ also features a power back-up system. This system allows the alarm, buzzer, and siren to remain active during periods of power loss. The back-up system is powered by two AA batteries, which can provide up to 24 hours of operation in the event of a power failure. Additionally, the back-up system includes an optional rechargeable battery in order to provide longer operating times. The rechargeable battery can provide up to 48 hours of operation when the system is connected to an external power source.

The SC648AJ alarm, buzzer, and siren is designed to be used in a variety of applications that require low-level or high-level audible or visual signals. It is an ideal solution for applications such as fire alarms, smoke detectors, access control systems, and burglar alarms. The alarm features a low power consumption, adjustable flash rate, adjustable sound levels, and a power back-up system for use in the event of a power failure. Additionally, the rechargeable battery option provides longer operating times in the event that an external power source is not available.