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Alarms/Buzzers（Product Type：Alarm / Buzzer Unit）
A buzzer is an electronic device used to generate audible alerts, notifications, or alarms. Buzzer devices are commonly found in various applications, ranging from office appliances, industrial equipment and security systems. When selecting a buzzer, it is crucial to consider factors such as Volume(dB), Rated Voltage (e.g. AC and DC), Shape, Sound (Continuous and Intermittent), Sound type (e.g., Peak, Voice/Tones and other) Terminal Shape and so on.These considerations are vital for ensuring the production of high-quality products. We highly recommend reputable brands like MISUMI, RS Pro, and PATLITE.
Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on a buzzer. If you have any doubts or require assistance in choosing the right product, our experts are readily available to provide
Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on a buzzer. If you have any doubts or require assistance in choosing the right product, our experts are readily available to provide
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Volume(dB)
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Product Type
- Alarm / Buzzer Unit
- Other
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Rated Voltage(V)
- DC6V
- DC12V
- DC24V
- AC100V
- Other
- DC12~24V
- AC100~240V
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Shape
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Sound
- Continuous
- Intermittent
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Types of sound
- Peak
- Boost
- Voice/music
- Other
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Volume adjustment
- Available
- NA
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Terminal shape
- Solder terminal
- Screw terminal
- Insertion Terminal
- Other
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Dimension width(mm)
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Protection function (IP/drip-proof, etc.)
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Representative Standard
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Dimension length(mm)
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Dimension thickness(mm)
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Until 30/09/2024
Until 30/09/2024RS Pro
Specifications
Mounting Type = Panel Mount
Minimum Supply Voltage = 3V DC
Maximum Supply Voltage = 30V DC
Sound Level = 85dB
Drive Type = Internal
Tone Type = Continuous
Diameter = 30mm
Height = 10mm
Dimensions = 30 (Dia.) x 10mm
Minimum Operating Temperature = -30°C
Maximum Operating Temperature = +85°C
Maximum Frequency = 3kHz
Minimum Frequency = 2000HzFrom: ฿ 127.67 Special Price Days to Ship: 
3 Day(s)
3 Day(s)
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Until 30/09/2024
Until 30/09/2024RS PRO 96dB Panel Mount Continuous Internal Piezo Buzzer, 41.8 x 16mm, 1.5V DC Min, 20V DC Max
RS Pro
Specifications
Mounting Type = Panel Mount
Minimum Supply Voltage = 1.5V dc
Maximum Supply Voltage = 20V dc
Sound Level = 96dB
Drive Type = Internal
Tone Type = Continuous
Diameter = 41.8mm
Height = 16mm
Dimensions = 41.8 x 16mm
Minimum Operating Temperature = -20°C
Maximum Operating Temperature = +60°C
Maximum Frequency = 3.3kHz
Minimum Frequency = 2300HzFrom: ฿ 147.43 Special Price Days to Ship:
3 Day(s)
3 Day(s)
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Until 31/03/2025
Until 31/03/2025OMRON
An AGD electrical leakage fire alarm.
[Features]
· An updated version of a long-selling product with a 30-year track record.
· The basic functions are maintained but with greater compactness.
· The surface type maintains the same mounting dimensions but has been more compact. The square bodied embedded type has approximately half the volume ratio as previous models (excluding the AGD-U2).
· The built-in digital filter reduces the effects of high-frequency noise, allowing more precise monitoring of electrical leakage.
· The output contact configuration is 1c+1a × the number of monitoring circuits. This enables remote monitoring via external signal contacts, and an alarm output for each monitoring circuit.
· Even the square bodied embedded types come equipped with built-in buzzers (excluding the AGD-U2).
· Can also output an alarm to any external buzzer.
· All updated products are available with either automatic or manual recovery AGD-N5, AGD-NY5, and AGD-N52).From: ฿ 24,890.00 Special Price Days to Ship:
Same day
Same day
| Brand |
|---|
| Product Series |
| From |
| Days to Ship |
| Volume(dB) |
| Product Type |
| 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) |
You can add up to 6 items per a category to the compare list.  Until 30/09/2024 | You can add up to 6 items per a category to the compare list.  Until 30/09/2024 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | |
| Brand | RS Pro | RS Pro | OMRON |
| Product Series | RS PRO 96dB Panel Mount Continuous Internal Piezo Buzzer, 41.8 x 16mm, 1.5V DC Min, 20V DC Max | ||
| From | ฿ 127.67 Special Price On Sale Until 30/09/2024 | ฿ 147.43 Special Price On Sale Until 30/09/2024 | ฿ 24,890.00 Special Price On Sale Until 31/03/2025 |
| Days to Ship | 3 Day(s) | 3 Day(s) | Same day |
| Volume(dB) | 85 | 96 | 70 |
| Product Type | Alarm / Buzzer Unit | Alarm / Buzzer Unit | Alarm / Buzzer Unit |
| Rated Voltage(V) | Other | Other | Other |
| Shape | Round | Round | Silique type |
| Sound | Continuous | Continuous | - |
| Types of sound | - | - | - |
| Volume adjustment | - | - | - |
| Terminal shape | Other | Other | Screw terminal |
| Dimension width(mm) | 30 | 41.8 | 205 |
| Protection function (IP/drip-proof, etc.) | - | - | - |
| Representative Standard | - | - | - |
| Dimension length(mm) | 30 | 41.8 | 136 |
| Dimension thickness(mm) | 10 | 16 | 153 |
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Related Categories to Alarms/Buzzers
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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