Global Piezoelectric Accelerometers Market
is segmented based on type, application, and region. An accelerometer is a type
of sensor that measures force due to acceleration of the sensor. A
piezoelectric accelerometer utilizes the piezoelectric effect of certain
materials to measure dynamic changes in mechanical variables, such as
mechanical shock, vibration and acceleration. Piezoelectric accelerometers
convert one form of energy into another and provide an electrical signal in
response to the condition, property or quantity. Acceleration acts upon a
seismic mass that is restrained by a spring or suspended on a cantilever beam,
and converts a physical force into an electrical signal.
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Piezoelectric accelerometers may
or may not include integrated signal-conditioning circuitry.
Signal-conditioning circuitry receives the raw voltage output from the
accelerometer’s piezo sensors. It then converts it into a more suitable signal
that’s more readily processed by instrumentation. Based on types, the global is
classified into high and low impedance.
This force is applied directly on
to the piezoelectric material, usually crystals, which modify its internal
alignment of negative and positive ions and results in accumulation of a charge
on the opposite surface. This charge is calculated as the voltage generated by
the piezoelectric material or the accelerometer, when being exposed to stress
or vibration. Piezoelectric accelerometers have various implementations and
applications in industrial devices and applications that rely on the evaluation
of mechanical force and vibrations for their operation.
High impedance accelerometers
have a charge output that is converted into a voltage using a charge amplifier
or external impedance converter. Low impedance units use the same piezoelectric
sensing element as high-impedance units, and incorporate a miniaturized
built-in charge-to-voltage converter and external power supply coupler to
energize the electronics and decouple the consequent DC bias voltage from the
output signal. Based on forms, the global market is classified into Piezoelectric
charge (PE) accelerometers, IEPE accelerometers.
IEPE stands for Integrated
Electronics Piezo Electric and defines a class of accelerometer that has built
in electronics. Precisely, it defines a class of accelerometer that has low
impedance output electronics that works on a two wire constant current supply
with a voltage output on a DC voltage bias.
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Based on material, the
piezoelectric accelerometers market is classified into single crystal (quartz
and Rochelle salt), and ceramic materials. Based on application, the
piezoelectric accelerometers market is classified into Aerospace and defense,
automotive, pharmaceuticals and chemicals, semicon& electronics,
energy/power, general industrial, other. Aerospace comprises modal testing,
wind tunnel, and shock tube instrumentation; landing gear hydraulics; rocketry;
ejection systems.
Geographically, the global market
is segmented into North America (USA, Canada and Mexico), Europe (Germany,
France, England, Russia and Italy), Asia Pacific (China, Japan, Korea, India
and Southeast Asia), South America, Middle East and Africa.
The global key players in the
piezoelectric accelerometers market include PCB Piezotronics, Meggitt Sensing
Systems, Bruel and Kjaer, Honeywell, KISTLER, Measurement Specialties, and
Dytran Instruments.
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