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Mini100 Vibration Sensor

  • Product Detials:

    The MiniSense 100 is a low-cost cantilever-type vibration
    sensor loaded by a mass to offer high sensitivity at low
    frequencies. Pins are designed for easy installation and
    are solderable. Horizontal and vertical mounting options
    are offered. The active sensor area is shielded for
    improved RFI/EMI rejection. Rugged, flexible PVDF
    sensing element withstands high shock overload. Sensor
    has excellent linearity and dynamic range, and may be
    used for detecting either continuous vibration or impacts.
    The mass may be modified to obtain alternative frequency
    response and sensitivity selection (consult factory).

    The MiniSense 100 acts as a cantilever-beam
    accelerometer. When the beam is mounted horizontally,
    acceleration in the vertical plane creates bending in the
    beam, due to the inertia of the mass at the tip of the beam.
    Strain in the beam creates a piezoelectric response, which
    may be detected as a charge or voltage output across the

    Electrical Description
    The Minisense 100 behaves electrically as an "active" capacitor: it may be modelled as a perfect voltage source (voltage
    proportional to applied acceleration) in series with the quoted device capacitance. Any external input or load resistance
    will form a high-pass filter, with a roll-off frequency as tabulated above, or calculated from the formula f(c) = 1/(2 RC).
    The impedance of the sensor is approximately 650 M ohm at 1 Hz. The active sensor element is electrically shielded,
    although care should be taken in the PCB design to keep unshielded traces as short as possible.
    electrodes of the sensor.
    The sensor may be used to detect either continuous or
    impulsive vibration or impacts. For excitation frequencies
    below the resonant frequency of the sensor, the device

    produces a linear output governed by the "baseline"
    sensitivity. The sensitivity at resonance is significantly
    higher. Impacts containing high-frequency components
    will excite the resonance fre-quency, as shown in the plot
    above (response of MiniSense 100 to a single half-sine
    impulse at 100 Hz, of amplitude 0.9 g). The ability of the
    sensor to detect low frequency motion is strongly
    influenced by the external
    electrical circuit, as
    described below
    (see "Electrical
    Description").

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Contact Info
Company： Joint Sensor Instruments(Shenzhen)Ltd
Area： China/Guangdong
Contact： Mr. Xingkai Chen
Tel： 86-755-83104666
Fax： 86-755-83116697
Web site： www.sensorspower.com,www.kogean.net,www.kogeansensor.com
Add： B401, No. 8 Lane 1 Anhua Industrial Park, Section 35 Baoan District
Zip： 518000

Supplier's information
   Joint Sensor Instruments(Shenzhen)Ltd

     Joint Sensor Instruments (Shenzhen) Ltd. is a subsidiary of Kogean which was established in 199 ..... more >>

Contact： Mr. Xingkai Chen 

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