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27mm Piezo Element (Vibration / Knock Sensor)
In Stock
1,200RWF
In Stock
A 27mm piezo element is a type of vibration or knock sensor that can detect and measure mechanical stress or pressure in its environment. It’s made of a ceramic material that generates an electrical charge when compressed, and is commonly used in automotive, industrial, and consumer electronics applications. It has a resonant frequency of around 4-5kHz, a sensitivity of around 30-40mV/g, and a maximum input voltage of around 30V.
Description
A 27mm piezo element, also known as a vibration or knock sensor, is a type of sensor that can detect and measure vibrations or impacts in a given environment. The piezo element is made of a ceramic material that produces an electrical charge when subjected to mechanical stress or pressure.
The 27mm size of the piezo element refers to the diameter of the ceramic disc that makes up the sensor. This size is commonly used in various applications, including automotive, industrial, and consumer electronics.
When a vibration or knock occurs in the environment where the sensor is placed, the ceramic disc of the piezo element will be compressed and generate an electrical charge. This charge can then be measured and processed to detect the intensity, frequency, and other characteristics of the vibration or impact.
Some common applications of 27mm piezo elements include engine knock sensors in automobiles, vibration sensors in industrial machinery, and touch sensors in consumer electronics such as smartphones and tablets. They can also be used in musical instruments, such as drums and acoustic guitars, to pick up the vibrations and produce sound.
specifications for a 27mm piezo element:
- Diameter: 27mm
- Height: typically around 0.4-0.6mm
- Resonant frequency: typically around 4-5kHz
- Sensitivity: typically around 30-40mV/g
- Maximum input voltage: typically around 30V
- Operating temperature range: -20°C to +70°C
- Storage temperature range: -30°C to +80°C
- Housing material: typically brass or stainless steel
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