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

1. Introduksjon

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. Produktet er overview

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.

Nøkkelfunksjoner:

Wide Voltage Område: Operates on DC 3V to 24V.
High Sound Output: Produces a continuous sound at 100dB.
Enkel kabling: Equipped with black and red wires for straightforward connection.
Slitesterk konstruksjon: Housed in a plastic casing.
Kompakt design: Suitable for integration into various systems.

Komponenter:

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

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

3. Spesifikasjoner

Parameter	Verdi
Produktnavn	Electronic Buzzer
Modellnr.	SFM-27
Sound-making Type	Kontinuerlig lyd
Vurdert voltage	DC 3-24V
Vurdert gjeldende	15mA
Lydtrykk	100dB
Driftstemperatur	-20°C til +45°C
Overall Size (LWH)	47 x 30 x 14 mm / 1.85 x 1.14 x 0.55 tommer
Mounting Holes (L*W)	3.5 x 4 mm / 0.14 x 0.16 tommer
Avstand for monteringshull	39 mm / 1.5 tommer
Ledningslengde	11 cm / 4.3 tommer
Resonansfrekvens	2.5±0.5KHz
Eksternt materiale	Plast
Farge	Hvit
Vekt (per enhet)	34 g

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. Sikkerhetsinformasjon

Vennligst følg følgende sikkerhetsregler for å forhindre skade eller skade på produktet:

Voltage Kompatibilitet: Sørg for at strømforsyningen voltage is within the specified DC 3V-24V range. Applying incorrect voltage can damage the buzzer.
Polaritet: 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.
Kabling: All wiring should be performed by a qualified individual or with proper knowledge of electrical connections. Ensure connections are secure to prevent short circuits.
Miljø: Do not expose the buzzer to extreme temperatures, moisture, or corrosive environments beyond its operating specifications.
Lydnivå: The buzzer produces a loud sound (100dB). Avoid prolonged exposure to the sound at close range to prevent hearing discomfort.
Barn: Oppbevar enheten utilgjengelig for barn.

5. Oppsett og installasjon

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

Forbered monteringssted: 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.
Koble til strøm:
- Identify the red wire and the black wire extending from the buzzer.
- Koble til rød ledning til positiv (+) terminal of your DC power supply (3V-24V).
- Koble til svart ledning til negativ (-) terminal of your DC power supply.
- Ensure all connections are firm and insulated to prevent short circuits.
Testfunksjonalitet: Once wired, apply power to the circuit. The buzzer should emit a continuous sound. If it does not, refer to the Troubleshooting section.

6. Drift

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. Vedlikehold

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

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

8. Feilsøking

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

Problem	Mulig årsak	Løsning
No sound from buzzer	Ingen strømforsyning Feil voltage (outside 3V-24V) Feil ledningspolaritet Løse eller defekte koblinger Damaged buzzer unit	Verify power supply is active. Sjekk strømforsyning voltage er innenfor 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.
Svak eller intermitterende lyd	Voltage too low (below 3V) Løs forbindelse Partial damage to buzzer	Sørg for voltage is within the optimal range (e.g., closer to 12V-24V for full loudness). Kontroller og sikre alle ledningsforbindelser. Consider replacing the buzzer if the issue persists.

9. Garanti og støtte

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