Piezo Vibration Sensor for Washing Machine / Car Alarm / Body Movemen / Security System
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Piezo Vibration Sensor with Low Power Wakeup Switch / Low Cost Sensing for Ardunio
Description: The Piezo Vibration Sensor is a flexible component comprising a 28 um thick piezoelectric PVDF polymer film with screen-printed Ag-ink electrodes, laminated to a 0.125 mm polyester substrate, and fitted with two crimped contacts. 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. It is a vibration sensor where the sensing element comprises a cantilever beam loaded by an additional mass to offer high sensitivity at low frequencies.
Main Features: ● Solder tab connection ● Both no mass and with mass version ● Withstands high impact ● Operating temperature: 0 to 85 degree ● Storage temperature: -40 to 85degree ● Higher temperature version up to 125 degree ● Available on a custom basis
Weight and Size
Product Size(L x W x H)
6 x 3 x 0.5 cm / 2.36 x 1.18 x 0.20 inches
Package Size(L x W x H)
9 x 6 x 1 cm / 3.54 x 2.36 x 0.39 inches
1 x Piezo Vibration Sensor
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