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

1. Inleiding

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 verbyview

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.

Sleutel kenmerke:

Wye Voltage reeks: Operates on DC 3V to 24V.
High Sound Output: Produces a continuous sound at 100dB.
Maklike bedrading: Equipped with black and red wires for straightforward connection.
Duursame konstruksie: Housed in a plastic casing.
Kompakte ontwerp: Suitable for integration into various systems.

Komponente:

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

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

3. Spesifikasies

Parameter	Waarde
Produk Naam	Electronic Buzzer
Model No.	SFM-27
Sound-making Type	Deurlopende klank
Gegradeerde Voltage	DC 3-24V
Gegradeerde huidige	15mA
Klankdruk	100dB
Bedryfstemperatuur	-20°C tot +45°C
Overall Size (LWH)	47 x 30 x 14 mm / 1.85 x 1.14 x 0.55 duim
Mounting Holes (L*W)	3.5 x 4 mm / 0.14 x 0.16 duim
Monteergatafstand	39 mm / 1.5 duim
Draad lengte	11 cm / 4.3 duim
Resonante frekwensie	2.5 ± 0.5 KHz
Eksterne materiaal	Plastiek
Kleur	Wit
Gewig (per eenheid)	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. Veiligheidsinligting

Neem asseblief die volgende veiligheidsmaatreëls in ag om beserings of skade aan die produk te voorkom:

Voltage Verenigbaarheid: Verseker die kragtoevoer voltage is within the specified DC 3V-24V range. Applying incorrect voltage can damage the buzzer.
Polariteit: 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.
Bedrading: All wiring should be performed by a qualified individual or with proper knowledge of electrical connections. Ensure connections are secure to prevent short circuits.
Omgewing: Do not expose the buzzer to extreme temperatures, moisture, or corrosive environments beyond its operating specifications.
Klankvlak: The buzzer produces a loud sound (100dB). Avoid prolonged exposure to the sound at close range to prevent hearing discomfort.
Kinders: Hou die toestel buite bereik van kinders.

5. Opstelling en installering

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

Berei monteringsplek voor: 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.
Koppel krag:
- Identify the red wire and the black wire extending from the buzzer.
- Koppel die rooi draad aan die positiewe (+) terminaal of your DC power supply (3V-24V).
- Koppel die swart draad aan die negatiewe (-) terminaal of your DC power supply.
- Ensure all connections are firm and insulated to prevent short circuits.
Toetsfunksionaliteit: Once wired, apply power to the circuit. The buzzer should emit a continuous sound. If it does not, refer to the Troubleshooting section.

6. Operasie

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. Onderhoud

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

Skoonmaak: Periodically wipe the exterior of the buzzer with a soft, dry cloth to remove dust. Do not use harsh chemicals or abrasive cleaners.
Inspeksie: Regularly check the wiring for any signs of damage, fraying, or loose connections. Ensure the mounting remains secure.
Omgewing: Ensure the operating environment remains within the specified temperature and humidity ranges to prolong the life of the device.

8. Probleemoplossing

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

Probleem	Moontlike oorsaak	Oplossing
No sound from buzzer	Geen kragtoevoer Verkeerde voltage (outside 3V-24V) Verkeerde bedrading polariteit Los of foutiewe verbindings Damaged buzzer unit	Verify power supply is active. Kontroleer kragtoevoer voltage is binne 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.
Swak of onderbroke klank	Voltage too low (below 3V) Los verbinding Partial damage to buzzer	Verseker voltage is within the optimal range (e.g., closer to 12V-24V for full loudness). Kontroleer en beveilig alle bedradingverbindings. Consider replacing the buzzer if the issue persists.

9. Waarborg en Ondersteuning

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