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Piezo Vibration Sensor
- Product SKU: SS_314070001
- Category: Arduino, Proximity, Sensnor, Sensor
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As the piezo film is displaced from the mechanical neutral axis, bending creates very high strain within the piezopolymer and therefore high voltages are generated. When the assembly is deflected by direct contact, the device acts as a flexible "switch", and the generated output is sufficient to trigger MOSFET or CMOS stages directly. If the assembly is supported by its contacts and left to vibrate "in free space" (with the inertia of the clamped/free beam creating bending stress), the device will behave as an accelerometer or vibration sensor. Adding mass, or altering the free length of the element by clamping, can change the resonant frequency and sensitivity of the sensor to suit specific applications. Multi-axis response can be achieved by positioning the mass off center. The LDTM-028K is a vibration sensor where the sensing element comprises a cantilever beam loaded by an additional mass to offer high sensitivity at low frequencies.
Features
Solder tab connection
Both no mass & with mass version
Withstands high impact
Operating temperature: 0¡ãC to 85¡ãC
Storage temperature: -40¡ãC to 85¡ãC
Higher temperature version up to 125¡ãC
available on a Custom Basis
Applications
Vibration sensing in washing machine
Low power wakeup switch
Low cost vibration sensing
Car alarms
Body movement
Security systems
Datasheet can be downloaded here
Technical details
Dimensions 0mm x0mm x0mm
Weight G.W 1g
Battery Exclude
Part List
Piezo Vibration Sensor 1
As the piezo film is displaced from the mechanical neutral axis, bending creates very high strain within the piezopolymer and therefore high voltages are generated. When the assembly is deflected by direct contact, the device acts as a flexible "switch", and the generated output is sufficient to trigger MOSFET or CMOS stages directly. If the assembly is supported by its contacts and left to vibrate "in free space" (with the inertia of the clamped/free beam creating bending stress), the device will behave as an accelerometer or vibration sensor. Adding mass, or altering the free length of the element by clamping, can change the resonant frequency and sensitivity of the sensor to suit specific applications. Multi-axis response can be achieved by positioning the mass off center. The LDTM-028K is a vibration sensor where the sensing element comprises a cantilever beam loaded by an additional mass to offer high sensitivity at low frequencies.
Features
Solder tab connection
Both no mass & with mass version
Withstands high impact
Operating temperature: 0¡ãC to 85¡ãC
Storage temperature: -40¡ãC to 85¡ãC
Higher temperature version up to 125¡ãC
available on a Custom Basis
Applications
Vibration sensing in washing machine
Low power wakeup switch
Low cost vibration sensing
Car alarms
Body movement
Security systems
Datasheet can be downloaded here
Technical details
Dimensions 0mm x0mm x0mm
Weight G.W 1g
Battery Exclude
Part List
Piezo Vibration Sensor 1
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