uxcell SFM-27 DC 3-24V 100dB Active Electronic Buzzer Instruction Manual

1. Киришүү

This manual provides instructions for the proper installation, operation, and maintenance of the uxcell SFM-27 Active Electronic Buzzer. This device is designed to produce a continuous sound alarm when a DC voltage between 3V and 24V is applied. Please read this manual thoroughly before using the product to ensure safe and efficient operation.

2. Продукт бүтүп калдыview

The uxcell SFM-27 is an active electronic buzzer featuring a plastic housing and two pre-attached wires for easy connection. It is designed for various industrial and electronic applications where an audible alert is required.

Негизги өзгөчөлүктөрү:

Wide Voltage диапазону: Operates on DC 3V to 24V.
Жогорку үн чыгаруу: Produces a continuous sound at 100dB.
Жөнөкөй зымдар: Equipped with black and red wires for straightforward connection.
Туруктуу курулуш: Housed in a plastic casing.
Компакт дизайн: Suitable for integration into various systems.

Компоненттери:

Electronic Buzzer Unit (SFM-27)
Red Wire (Positive Terminal)
Black Wire (Negative Terminal)
Mounting Holes (for secure installation)

uxcell SFM-27 Active Electronic Buzzer, front view with red and black wires

Сүрөт 2.1: Алдыңкы view of the uxcell SFM-27 Active Electronic Buzzer, showing the sound output grille and attached red and black power wires.

3. Техникалык шарттар

Параметр	Нарк
Продукт аты	Electronic Buzzer
Модель №	SFM-27
Sound-making Type	Үзгүлтүксүз үн
Rated Voltage	DC 3-24V
Номиналдуу ток	15мА
Үн басымы	100дБ
Иштөө температурасы	-20°Cден +45°Cге чейин
Overall Size (LWH)	47 x 30 x 14 мм / 1.85 x 1.14 x 0.55 дюйм
Mounting Holes (L*W)	3.5 x 4 мм / 0.14 x 0.16 дюйм
Тешикке чейинки аралык	39мм / 1.5 дюйм
Wire Length	11см / 4.3 дюйм
Резонанстык жыштык	2.5 ± 0.5 KHz
Тышкы материал	Пластик
Түс	Ак
Салмагы (бирдик үчүн)	34г

uxcell SFM-27 Active Electronic Buzzer with dimensions labeled

Figure 3.1: Dimensions of the uxcell SFM-27 Active Electronic Buzzer, indicating mounting hole spacing and overall size.

4. Коопсуздук маалыматы

Төмөнкү коопсуздук чараларын сактаңыз, зыян же буюмдун бузулушуна жол бербөө үчүн:

Тtage Шайкештик: электр менен жабдууну камсыз кылуу voltage is within the specified DC 3V-24V range. Applying incorrect voltage can damage the buzzer.
Полярдуулук: Connect the red wire to the positive (+) terminal and the black wire to the negative (-) terminal of the DC power source. Incorrect polarity will prevent the buzzer from functioning.
Зымдар: All wiring should be performed by a qualified individual or with proper knowledge of electrical connections. Ensure connections are secure to prevent short circuits.
Курчап турган чөйрө: Do not expose the buzzer to extreme temperatures, moisture, or corrosive environments beyond its operating specifications.
Үн деңгээли: The buzzer produces a loud sound (100dB). Avoid prolonged exposure to the sound at close range to prevent hearing discomfort.
Балдар: Аппаратты балдар жетпеген жерде сактаңыз.

5. Орнотуу жана орнотуу

Follow these steps to set up and install your electronic buzzer:

Монтаждоо ордун даярдоо: Choose a suitable location for the buzzer. The buzzer features two mounting holes with a distance of 39mm (1.5 inches) between them.
Secure the Buzzer: Use appropriate screws (not included) to securely fasten the buzzer to your chosen surface through the mounting holes.
Туташуу кубаты:
- Identify the red wire and the black wire extending from the buzzer.
- туташтыруу кызыл зым -га оң (+) терминал of your DC power supply (3V-24V).
- туташтыруу кара зым -га терс (-) терминал of your DC power supply.
- Ensure all connections are firm and insulated to prevent short circuits.
Сыноо функциясы: Once wired, apply power to the circuit. The buzzer should emit a continuous sound. If it does not, refer to the Troubleshooting section.

6. Операция

The uxcell SFM-27 Active Electronic Buzzer is designed for simple operation. It functions as a direct alarm device:

When a DC voltage within the 3V-24V range is applied to its terminals with correct polarity, the buzzer will immediately emit a continuous sound at approximately 100dB.
The sound will cease when the power supply is disconnected or interrupted.
This buzzer produces a continuous tone and does not have adjustable volume or tone patterns.

7. Техникалык тейлөө

The uxcell SFM-27 Active Electronic Buzzer requires minimal maintenance:

Тазалоо: Periodically wipe the exterior of the buzzer with a soft, dry cloth to remove dust. Do not use harsh chemicals or abrasive cleaners.
Текшерүү: Regularly check the wiring for any signs of damage, fraying, or loose connections. Ensure the mounting remains secure.
Курчап турган чөйрө: Түзмөктүн иштөө мөөнөтүн узартуу үчүн иштөө чөйрөсү көрсөтүлгөн температура жана нымдуулук диапазондорунда болушун камсыз кылыңыз.

8. Кыйынчылыктарды

If the buzzer does not function as expected, refer to the following troubleshooting guide:

Көйгөй	Мүмкүн себеп	Чечим
No sound from buzzer	Электр энергиясы жок Туура эмес томtage (outside 3V-24V) Туура эмес зымдардын полярдуулугу Бошоң же туура эмес байланыштар Damaged buzzer unit	Verify power supply is active. Электр менен камсыздоону текшерүү томtage 3V-24V ичинде. Ensure red wire is connected to (+) and black to (-). Inspect all wire connections for security. If all above are correct, the buzzer may be faulty and require replacement.
Weak or intermittent sound	Тtage too low (below 3V) Бошоң байланыш Partial damage to buzzer	камсыз кылуу томtage is within the optimal range (e.g., closer to 12V-24V for full loudness). Бардык зымдарды байланыштарды текшерип, коопсуздандырыңыз. Consider replacing the buzzer if the issue persists.

9. Кепилдик жана колдоо

For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your retailer. You may also visit the official uxcell brand store for additional product information and support resources.

uxcell Brand Store: https://www.amazon.com/stores/uxcell/page/9C5CFA37-6CB6-400F-AA4A-658A763458C5

uxcell SFM-27