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

1. 서론

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. 제품 오버view

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.

주요 특징:

와이드볼tag전자 범위: Operates on DC 3V to 24V.
High Sound Output: Produces a continuous sound at 100dB.
간편한 배선: Equipped with black and red wires for straightforward connection.
내구성 있는 구조: Housed in a plastic casing.
컴팩트한 디자인: Suitable for integration into various systems.

구성 요소:

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

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

3. 사양

매개변수	값
제품 이름	전자 부저
모델 번호	SFM-27
Sound-making Type	연속음
정격 볼륨tage	DC 3-24V
정격 전류	15mA
음압	100데시벨
작동 온도	-20°C ~ +45°C
전체 크기 (길이너비높이)	47 x 30 x 14mm / 1.85 x 1.14 x 0.55인치
Mounting Holes (L*W)	3.5 x 4mm / 0.14 x 0.16인치
장착 구멍 거리	39mm / 1.5인치
와이어 길이	11cm / 4.3인치
공진 주파수	2.5±0.5KHz
외부 자료	플라스틱
색상	하얀색
무게 (단위당)	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. 안전 정보

부상이나 제품 손상을 방지하기 위해 다음 안전 예방 조치를 준수하세요.

권tage 호환성: 전원 공급 장치 볼륨을 확인하십시오.tage is within the specified DC 3V-24V range. Applying incorrect voltage can damage the buzzer.
극성: 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.
배선: All wiring should be performed by a qualified individual or with proper knowledge of electrical connections. Ensure connections are secure to prevent short circuits.
환경: Do not expose the buzzer to extreme temperatures, moisture, or corrosive environments beyond its operating specifications.
사운드 레벨: The buzzer produces a loud sound (100dB). Avoid prolonged exposure to the sound at close range to prevent hearing discomfort.
어린이들: 기기를 어린이의 손이 닿지 않는 곳에 보관하세요.

5. 설정 및 설치

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

장착 위치 준비: Choose a suitable location for the buzzer. The buzzer features two mounting holes with a distance of 39mm (1.5 inches) between them.
초인종을 안전하게 고정하세요: Use appropriate screws (not included) to securely fasten the buzzer to your chosen surface through the mounting holes.
전원 연결:
- Identify the red wire and the black wire extending from the buzzer.
- 연결하다 빨간선 에게 양극(+) 단자 of your DC power supply (3V-24V).
- 연결하다 블랙 와이어 에게 음극 (-) 단자 of your DC power supply.
- 단락을 방지하기 위해 모든 연결부가 단단히 고정되고 절연되어 있는지 확인하십시오.
테스트 기능: Once wired, apply power to the circuit. The buzzer should emit a continuous sound. If it does not, refer to the Troubleshooting section.

6. 운영

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. 유지관리

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

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

8. 문제 해결

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

문제	가능한 원인	해결책
No sound from buzzer	전원 공급이 없습니다 잘못된 볼륨tage (outside 3V-24V) 잘못된 배선 극성 느슨하거나 잘못된 연결 Damaged buzzer unit	전원 공급 장치가 작동 중인지 확인하십시오. 전원 공급량 확인tage는 3V-24V 범위입니다. 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.
소리가 약하거나 간헐적임	권tage too low (below 3V) 연결이 느슨함 Partial damage to buzzer	볼륨을 확보하세요tage is within the optimal range (e.g., closer to 12V-24V for full loudness). 모든 배선 연결을 확인하고 고정하세요. Consider replacing the buzzer if the issue persists.

9. 보증 및 지원

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