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

1. Entwodiksyon

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. Pwodwi souview

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.

Karakteristik kle:

Wide Voltage Range: Operates on DC 3V to 24V.
High Sound Output: Produces a continuous sound at 100dB.
Fil elektrik fasil: Equipped with black and red wires for straightforward connection.
Konstriksyon dirab: Housed in a plastic casing.
Konsepsyon kontra enfòmèl ant: Suitable for integration into various systems.

Eleman:

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

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

3. Espesifikasyon

Paramèt	Valè
Non pwodwi	Electronic Buzzer
Modèl No.	SFM-27
Sound-making Type	Son kontinyèl
Rated Voltage	DC 3-24V
Rated aktyèl	15mA
Son Presyon	100dB
Tanperati Fonksyònman	-20°C pou +45°C
Overall Size (LWH)	47 x 30 x 14mm / 1.85 x 1.14 x 0.55 pous
Mounting Holes (L*W)	3.5 x 4mm / 0.14 x 0.16 pous
Mounting Distans Twou	39mm / 1.5 pous
Longè fil	11cm / 4.3 pous
frekans sonan	2.5 ± 0.5 KHz
Materyèl ekstèn	Plastik
Koulè	Blan
Pwa (pou chak inite)	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. Enfòmasyon sou Sekirite

Tanpri obsève prekosyon sekirite sa yo pou evite blesi oswa domaj nan pwodwi a:

Voltage konpatibilite: Asire ekipman pou pouvwa a voltage is within the specified DC 3V-24V range. Applying incorrect voltage can damage the buzzer.
Polarite: 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.
Fil elektrik: All wiring should be performed by a qualified individual or with proper knowledge of electrical connections. Ensure connections are secure to prevent short circuits.
Anviwònman: Do not expose the buzzer to extreme temperatures, moisture, or corrosive environments beyond its operating specifications.
Nivo son: The buzzer produces a loud sound (100dB). Avoid prolonged exposure to the sound at close range to prevent hearing discomfort.
Timoun: Kenbe aparèy la pa rive nan men timoun yo.

5. Enstalasyon ak Enstalasyon

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

Prepare Kote pou Monte a: 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.
Konekte pouvwa:
- Identify the red wire and the black wire extending from the buzzer.
- Konekte a fil wouj a la tèminal pozitif (+) of your DC power supply (3V-24V).
- Konekte a fil nwa a la negatif (-) tèminal of your DC power supply.
- Ensure all connections are firm and insulated to prevent short circuits.
Fonksyonalite tès: Once wired, apply power to the circuit. The buzzer should emit a continuous sound. If it does not, refer to the Troubleshooting section.

6. Operasyon

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. Antretyen

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

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

NAN. Depanaj

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

Pwoblèm	Kòz posib	Solisyon
No sound from buzzer	Pa gen ekipman pou pouvwa Incorrect voltage (outside 3V-24V) Polarite fil elektrik ki pa kòrèk Koneksyon ki lach oswa defo Damaged buzzer unit	Verify power supply is active. Tcheke ekipman pou pouvwa voltage se nan 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.
Son fèb oswa tanzantan	Voltage too low (below 3V) Koneksyon ki lach Partial damage to buzzer	Asire voltage is within the optimal range (e.g., closer to 12V-24V for full loudness). Tcheke epi an sekirite tout koneksyon fil elektrik. Consider replacing the buzzer if the issue persists.

9. Garanti ak sipò

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