IDEC - Alarms/Buzzers : Volume adjustment NA

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Volume(dB)	Rated Voltage(V)	Shape	Sound	Types of sound	Volume adjustment	Terminal shape	Dimension width(mm)	Protection function (IP/drip-proof, etc.)	Representative Standard	Dimension length(mm)	Dimension thickness(mm)
75	DC12V / DC24V	Round	Continuous	-	NA	Solder terminal	18	Available	-	18	38.5

From: 709,205 VND
Days to Ship: Số ngày giao hàng: Same day

Volume(dB)	Rated Voltage(V)	Shape	Sound	Types of sound	Volume adjustment	Terminal shape	Dimension width(mm)	Protection function (IP/drip-proof, etc.)	Representative Standard	Dimension length(mm)	Dimension thickness(mm)
80	Other	Round / Square shape	Continuous / Intermittent	-	NA	Other	25.8 ～ 25.9	Available	-	25.8 ～ 25.9	50.5 ～ 54

From: 996,446 VND
Special Price
Days to Ship: Số ngày giao hàng: Same day or more

Volume(dB)	Rated Voltage(V)	Shape	Sound	Types of sound	Volume adjustment	Terminal shape	Dimension width(mm)	Protection function (IP/drip-proof, etc.)	Representative Standard	Dimension length(mm)	Dimension thickness(mm)
90	Other	Round	Continuous	-	NA	Screw terminal	50	-	-	50	101

From: 1,904,751 VND
Days to Ship: Số ngày giao hàng: 6 Day(s) or more

Volume(dB)	Rated Voltage(V)	Shape	Sound	Types of sound	Volume adjustment	Terminal shape	Dimension width(mm)	Protection function (IP/drip-proof, etc.)	Representative Standard	Dimension length(mm)	Dimension thickness(mm)
-	Other	Other	Intermittent	-	NA	Screw terminal	17.9	-	-	17.9	58.6

From: 686,544 VND
Days to Ship: Số ngày giao hàng: 6 Day(s) or more

Volume(dB)	Rated Voltage(V)	Shape	Sound	Types of sound	Volume adjustment	Terminal shape	Dimension width(mm)	Protection function (IP/drip-proof, etc.)	Representative Standard	Dimension length(mm)	Dimension thickness(mm)
90	Other	Round	Continuous	-	NA	Screw terminal	50	Available	PSE	50	95.5

From: 1,622,427 VND
Days to Ship: Số ngày giao hàng: Same day


BrandNhãn hiệu
Product SeriesDòng sản phẩm
From
Days to ShipSố ngày giao hàng
Volume(dB)
Rated Voltage(V)
Shape
Sound
Types of sound
Volume adjustment
Terminal shape
Dimension width(mm)
Protection function (IP/drip-proof, etc.)
Representative Standard
Dimension length(mm)
Dimension thickness(mm)

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BrandNhãn hiệu	IDEC	IDEC	IDEC	IDEC	IDEC
Product SeriesDòng sản phẩm	ø16 UZ6 Buzzer	ø22 LW Series Buzzer	Control Unit Electromagnetic Buzzer	ø16 UZ6 Buzzer Flicker Unit	ø30 AZ Electromagnetic Buzzer
From	709,205 VND-	996,446 VND Special Price On Sale Till 31/03/2025	1,904,751 VND	686,544 VND	1,622,427 VND
Days to ShipSố ngày giao hàng	Same day	Same day or more	6 Day(s) or more	6 Day(s) or more	Same day
Volume(dB)	75	80	90	-	90
Rated Voltage(V)	DC12V / DC24V	Other	Other	Other	Other
Shape	Round	Round / Square shape	Round	Other	Round
Sound	Continuous	Continuous / Intermittent	Continuous	Intermittent	Continuous
Types of sound	-	-	-	-	-
Volume adjustment	NA	NA	NA	NA	NA
Terminal shape	Solder terminal	Other	Screw terminal	Screw terminal	Screw terminal
Dimension width(mm)	18	25.8 ～ 25.9	50	17.9	50
Protection function (IP/drip-proof, etc.)	Available	Available	-	-	Available
Representative Standard	-	-	-	-	PSE
Dimension length(mm)	18	25.8 ～ 25.9	50	17.9	50
Dimension thickness(mm)	38.5	50.5 ～ 54	101	58.6	95.5

FAQ Alarms/Buzzers

Question: How do buzzers function in electrical circuits?

Answer: Electromagnetic buzzers use an electromagnetic coil to generate a magnetic field. This field attracts a movable diaphragm, causing mechanical vibrations. As the diaphragm moves back and forth, it produces sound waves, resulting in the audible buzzing or beeping sound. Connected to an electrical circuit, the buzzer is activated when current flows through the coil. It's important to note that there are different types of buzzers, including electromagnetic, piezoelectric, and magnetic-transducer buzzers. Each type operates on different principles

Question: What are the typical uses of buzzers in various industries?

Answer: Buzzers are widely used in various industries for signaling and alerting. Here are some typical uses of buzzers in different industries such as:
1. Automotive industries: In vehicles, buzzers are employed for warning signals, such as seatbelt reminders, and low fuel indicators.
2. Medical Industries: Medical devices use buzzers for alarms and notifications, such as indicating the end of a medical procedure or alerting healthcare professionals to specific conditions.
3. Industrial Automation: Buzzers are used in manufacturing and industrial settings to signal the completion of processes, indicate faults, or alert operators to specific events.
4. Security Systems Industries: Alarm systems and security devices use buzzers to produce loud alerts in the event of a breach, fire, or other security concerns.

Question: What differentiates piezo buzzers from electromagnetic buzzers?

Answer: This table summarizes the key differences between piezo buzzers and electromagnetic buzzers in terms of their operating principles, mechanisms, sound frequency ranges, efficiency, size, and common applications.

Feature	Piezo Buzzers	Electromagnetic Buzzers
Operating Principle	Crystal deformation	Diaphragm driven by electromagnet
Mechanism	Crystal vibrations directly produce sound	Diaphragm or armature physically moves to create sound
Sound Frequency Range	Narrow, often in ultrasonic or audible range	Broader range, capable of various frequencies
Efficiency	High efficiency, fast response time	Variable efficiency, may have slower response time
Size and Weight	Generally smaller and lighter	Tends to be larger and heavier
Applications	Compact designs, low power, high-frequency	Various applications, broader frequency requirements

Question: What factors determine the loudness of a buzzer?

Answer: 1. Power Input: Higher electrical power results in increased loudness.
2. Design and Construction: Physical characteristics impact efficiency.
3. Resonance Frequency: Operating at resonant frequency maximizes loudness.
4. Voltage and Current: Increased levels within limits enhance sound output.
5. Environmental Conditions: Surrounding factors influence perceived loudness.
6. Transducer Efficiency: Efficient transducers produce more sound.
7. Sound Output Mechanism: Different mechanisms impact loudness.
8. Duty Cycle: Continuous operation may enhance perceived loudness.
9. Frequency Range: Some frequencies are more noticeable or louder than others.

Question: Can buzzers be considered a form of sound energy?

Answer: Yes, buzzers can be considered a form of sound energy. Sound energy is a type of mechanical wave that propagates through a medium, such as air, water, or solids. When a buzzer is activated, it typically produces vibrations that create compressions and rarefactions in the surrounding air, generating sound waves. These sound waves carry energy in the form of vibrations, and when they reach our ears, they are perceived as sound.

Question: How do you integrate a buzzer into a security system?

Answer: Incorporate a buzzer into a security system by linking it to a controller, such as Arduino or Raspberry Pi. Ensure proper power alignment, connect to a digital output pin, and code the buzzer to respond to security events like unauthorized access detected by sensors.Thoroughly test and calibrate the system, considering backup power.

Question: How do you choose the appropriate buzzer size and sound level for different environments?

Answer: Select a buzzer size based on space constraints and application requirements. For quiet environments, opt for smaller, less powerful buzzers to minimize disturbance. In noisy settings, choose larger buzzers with higher sound levels for better audibility. Consider dB ratings to match ambient noise levels; quieter environments need lower dB, while louder surroundings require higher dB ratings. Always test in the specific environment to ensure the chosen buzzer meets the desired sound level without being excessively disruptive or inadequate for the given conditions.

Question: What are the main considerations when connecting a buzzer to a digital circuit, such as an Arduino or Raspberry Pi?

Answer: When buzzing with digital circuits, remember these key points:
1. Buzzer type: Choose between active (amplified, needs only digital signal) or passive (requires driver circuit).
2. Voltage and current: Match buzzer specs to your board's capabilities (e.g., 5V for Arduino). Calculate current draw and ensure sufficient power supply.
3. Driving the buzzer: Use a transistor or driver IC for passive buzzers or high current needs. Connect active buzzer directly to a digital pin.
4. Pulse frequency: Control sound pitch and pattern by varying the frequency of the digital signal driving the buzzer (typically 200Hz to 5kHz).
5. Protection: Add a flyback diode across the buzzer to absorb reverse voltage spikes generated when switching it off.

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IDEC Alarms/Buzzers（Volume adjustment：NA）

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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Volume(dB)

Rated Voltage(V)

Shape

Sound

Types of sound

Volume adjustment

Terminal shape

Dimension width(mm)

Protection function (IP/drip-proof, etc.)

Representative Standard

Dimension length(mm)

Dimension thickness(mm)

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