ST-025BH Audio Products

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Alarms, Buzzers, and Sirens

From the ringing of bells to the siren of emergency vehicles, alerts and warnings throughout history have been used to draw or capture the attention of the receiver. Even today, these types of equipment are used for various purposes, and a prime example is the ST-025BH. This one is an audible alarm device which is typically employed for industrial applications.

ST-025BH Application Field and Working Principle

The ST-025BH alert device is mainly used in factory automation and control systems, which are mostly related to the industrial sector. This can affect machinery, production sites, and machines, as well as the management and combination of all these components. In addition, this alarm device can also be used for other purposes such as safety and security.

This device is mainly composed of five parts: the engine, the diaphragm, the outer casing, the contact switch, and the power supply. The sound generated by the alarm device is loud and clear, and offers long-lasting performance. This is made possible by the use of a powerful engine which is connected to the diaphragm.

When electrically energized, the engine activates with a continuous humming sound. This motional force is then transferred to a diaphragm through an elastic suspension. The diaphragm vibrates at a high rate with a certain amplitude and frequency, triggering a loud, medium/high pitched alarm sound.

At the same time, the corresponding contact switch is triggered and the alarm’s sound stops if the current to the engine is suspended. The power supply plays a crucial role in this process, which is supplied to the engine according to the specific requirements.

The ST-025BH alarm device is designed for long-lasting performance and reliability. This device has a noise level of around 80dB and an operating temperature of -20 to +80° Celsius. In conclusion, it is a reliable, cost-effective device which can be used for various applications such as factories, emergency response systems, and more.

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