Vibration Sensors

Vibration Sensors

LFS Piezo Bimorph Vibration Sensors

Self-sustaining vibration sensors using multiple cantilever-type piezoelectric bimorphs with different resonant frequencies.

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Key Features of the Vibration Sensors:

  • Electro static capacity: 750pF±20%.
  • Insulation resistance: 50MΩ min. (@50V DC).
  • Lead free soldering.
  • Poisson's Ratio 0.32. Density 7.53E3 [kg/m^3].
  • Can be used in reverse at 50 to 60Vdc gives deflection of 10 to 20μm.
  • Green polyurethane varnish coating.
  • Moisture resistant and non-magnetic.
  • Operating frequency 100Hz.
  • Operating Temperature -15 to +55 °C.
  • Dimensions: 15 x 1.5 x 0.6mm.
  • Output at 5mm clamp from lead-end (cantilever action) vibration at 10μm P-P= 4V P-P.
  • Capacitance 750pF ±1%.
  • Dielectric constant 2000.
  • Piezo constant 931 (x103 V-m/N): 12.1.
  • Electromechanical coupling factor 60.
  • Compliance 6.6 (x10-4m2 /N) : 12.1.
  • Stress 50 -100μm (max).
  • Impedance 1MΩ .


Part Number




LFS Piezo Bimorph Sensors- BM15015-06HC (C-6.8) 

Data Sheet


More About Vibration Sensors

This piezo ceramic bi-morph element is a versatile low power electromechanical transducer capable of converting mechanical or acoustic energy to electrical energy.

Described values and characteristics are subject to piezo ceramic element only. We recommend your actual functions and durability tests after assembled to the relative unit(s) in order to make sure of its reliability.


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Low Power Radio Solutions
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OX28 4BH
United Kingdom

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