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

1. Bubuka

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. Produk Langkungview

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.

Fitur konci:

Lega Voltage Rentang: Operates on DC 3V to 24V.
High Sound Output: Produces a continuous sound at 100dB.
Wiring Gampang: Equipped with black and red wires for straightforward connection.
Konstruksi awét: Housed in a plastic casing.
Desain kompak: Suitable for integration into various systems.

komponén:

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

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

3. Spésifikasi

Parameter	Nilai
Ngaran produk	Electronic Buzzer
Modél No.	SFM-27
Sound-making Type	Sora kontinyu
Dipeunteun Voltage	DC 3-24V
Dipeunteun Ayeuna	15mA
Tekanan Sora	100dB
Suhu Operasi	-20°C nepi ka +45°C
Overall Size (LWH)	47 x 30 x 14 mm / 1.85 x 1.14 x 0.55 inci
Mounting Holes (L*W)	3.5 x 4 mm / 0.14 x 0.16 inci
Jarak Lubang Pamasangan	39mm / 1.5 inci
Panjang Kawat	11 cm / 4.3 inci
Frékuénsi résonansi	2.5 ± 0.5 KHz
Bahan Luar	palastik
Warna	Bodas
Beurat (per unit)	34g

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. Émbaran Kasalametan

Punten perhatikeun pancegahan kaamanan di handap ieu pikeun nyegah tatu atanapi karusakan produk:

Voltage kasaluyuan: Pastikeun catu daya voltage is within the specified DC 3V-24V range. Applying incorrect voltage can damage the buzzer.
Polaritasna: 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.
Wiring: All wiring should be performed by a qualified individual or with proper knowledge of electrical connections. Ensure connections are secure to prevent short circuits.
Lingkungan: Do not expose the buzzer to extreme temperatures, moisture, or corrosive environments beyond its operating specifications.
Tingkat sora: The buzzer produces a loud sound (100dB). Avoid prolonged exposure to the sound at close range to prevent hearing discomfort.
Barudak: Jauhkeun alat tina jangkauan barudak.

5. Setup jeung Instalasi

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

Nyiapkeun Lokasi Pasang: 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.
Sambungkeun Kakuatan:
- Identify the red wire and the black wire extending from the buzzer.
- Nyambungkeun kawat beureum ka nu positip (+) terminal of your DC power supply (3V-24V).
- Nyambungkeun kawat hideung ka nu terminal négatip (-). of your DC power supply.
- Ensure all connections are firm and insulated to prevent short circuits.
Fungsi Uji: Once wired, apply power to the circuit. The buzzer should emit a continuous sound. If it does not, refer to the Troubleshooting section.

6. Operasi

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. Pangropéa

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

beberesih: Periodically wipe the exterior of the buzzer with a soft, dry cloth to remove dust. Do not use harsh chemicals or abrasive cleaners.
Pamariksaan: Regularly check the wiring for any signs of damage, fraying, or loose connections. Ensure the mounting remains secure.
Lingkungan: Pastikeun lingkungan operasi tetep aya dina kisaran suhu sareng kalembaban anu ditangtukeun pikeun manjangkeun umur alat.

8. Cara ngungkulan

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

Masalah	Mungkin Cukang lantaranana	Solusi
No sound from buzzer	Taya catu daya salah voltage (outside 3V-24V) polaritasna kabel salah Sambungan leupas atawa faulty Damaged buzzer unit	Verify power supply is active. Pariksa catu daya voltage aya dina 3V-24V. 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.
Sora lemah atawa intermittent	Voltage too low (below 3V) Sambungan leupas Partial damage to buzzer	Pastikeun voltage is within the optimal range (e.g., closer to 12V-24V for full loudness). Pariksa sareng amankeun sadaya sambungan kabel. Consider replacing the buzzer if the issue persists.

9. Garansi jeung Rojongan

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