Piezoelectric microphone
Product Code : SCL-ES-12782
The Piezoelectric Microphone by Educational Instrument India is a practical physics and electronics laboratory accessory designed for experiments related to sound detection, vibration, acoustic signals, piezoelectric effect, signal conversion, and wave motion. It is commonly used in school physics laboratories, college laboratories, STEM classrooms, electronics training labs, and acoustic demonstration setups.
This microphone works on the piezoelectric principle, where mechanical vibrations or sound pressure are converted into electrical signals. It helps students understand how sound waves can be detected and transformed into measurable electrical output. The Piezoelectric Microphone is useful for demonstrating sound sensing, vibration measurement, waveform observation, and basic transducer operation.
Designed for educational use, the microphone is compact, easy to connect, and suitable for repeated practical demonstrations. It can be used with oscilloscopes, amplifiers, signal monitoring circuits, audio experiments, and other compatible laboratory equipment.
Key Features
Demonstrates the piezoelectric effect in sound detection
Converts sound vibration into electrical signals
Suitable for physics, acoustics, and electronics experiments
Useful for studying sound waves, vibration, and transducers
Can be connected with amplifier circuits and oscilloscopes
Compact, lightweight, and easy to handle
Ideal for schools, colleges, STEM labs, and training institutes
Designed for repeated educational laboratory use
Product Specifications
|
Specification |
Details |
|
Product Name |
Piezoelectric Microphone |
|
Brand |
Educational Instrument India |
|
Application |
Sound detection, vibration sensing, and acoustic experiments |
|
Working Principle |
Piezoelectric effect |
|
Function |
Converts mechanical vibration or sound pressure into electrical signal |
|
Use |
Physics laboratory and electronics demonstrations |
|
Compatible With |
Oscilloscope, amplifier circuit, signal monitor, audio circuit, electronics trainer |
|
Operation |
Signal-based passive/active operation depending on model |
|
Material |
Durable laboratory-grade body and piezoelectric sensor element |
|
Suitable For |
Schools, colleges, STEM laboratories, and technical institutes |
|
Category |
Physics and Electronics Laboratory Accessory |
|
Recommended Usage |
Under teacher or laboratory instructor supervision |
How to Use Piezoelectric Microphone
Place the Piezoelectric Microphone on a clean and stable laboratory table.
Identify the microphone output terminals or connector before use.
Connect the microphone to a suitable amplifier, oscilloscope, or signal monitoring circuit.
Ensure the connected equipment is set to the proper input range.
Produce sound near the microphone using a tuning fork, speaker, bell, or other sound source.
Observe the electrical signal generated by the microphone on the connected device.
Change the sound intensity or frequency and observe the change in signal output.
Use the readings to explain the conversion of sound energy into electrical energy.
Switch off connected equipment after completing the experiment.
Disconnect the microphone carefully and store it in a clean, dry place.
Educational Importance
The Piezoelectric Microphone is an important teaching aid for explaining how sound waves and vibrations can be converted into electrical signals. It helps students understand the piezoelectric effect, transducer operation, sound sensing, frequency response, acoustic pressure, and energy conversion.
This apparatus supports practical learning in physics and electronics by allowing students to observe real-time signal changes caused by sound vibrations. It is useful for connecting theoretical concepts with applications such as microphones, sensors, audio systems, vibration detectors, and measuring instruments.
Applications
Sound detection experiments
Study of the piezoelectric effect
Vibration sensing demonstrations
Acoustic signal measurement
Sound wave experiments
Transducer principle demonstration
Oscilloscope waveform observation
Audio circuit testing
Physics and electronics practicals
STEM classroom activities
Safety Instructions
Use the microphone under teacher or laboratory supervision.
Connect only to suitable low-voltage laboratory equipment.
Do not apply excessive voltage to the microphone terminals.
Avoid dropping or pressing the sensor element forcefully.
Keep the microphone away from water, moisture, and dust.
Do not pull connecting wires harshly.
Store in a clean and dry place after use.
Frequently Asked Questions
- What is a Piezoelectric Microphone used for?
A Piezoelectric Microphone is used to detect sound and vibration and convert them into electrical signals for physics and electronics experiments.
- Is this microphone suitable for school laboratories?
Yes, the Piezoelectric Microphone by Educational Instrument India is suitable for school physics labs, college laboratories, electronics labs, STEM classrooms, and training institutes.
- What principle does a piezoelectric microphone work on?
It works on the piezoelectric effect, where mechanical pressure or vibration produces an electrical signal.
- Can it be connected to an oscilloscope?
Yes, it can be connected to a suitable oscilloscope or amplifier circuit to observe sound-generated electrical waveforms.
- What concepts can be taught with this microphone?
Teachers can explain sound waves, vibration, acoustic pressure, transducers, piezoelectric effect, signal conversion, and energy transformation.
- Can students use this product easily?
Yes, students can use it easily under teacher or laboratory instructor supervision.
- Is the Piezoelectric Microphone reusable?
Yes, it is reusable when handled carefully, connected correctly, and stored properly.
