Dytran
Instruments Inc.'s model 3302A is a biaxial IEPE accelerometer
designed to provide vibration monitoring within Active Vibration Control (AVC)
applications typically found on commercial and military aircrafts.
Utilizing
a biaxial design, the
Dytran model 3302A incorporates the mounting bracket and sensing elements in a
single package. This feature facilitates improved sensor performance while
eliminating the costs associated with employing separate accelerometers and
mounting brackets. The design also offers reduced mass as compared to
conventional sensors and mounting brackets. As an IEPE sensor, the model 3302A
features built-in electronics, eliminating the need for an external charge
amplifier and converter. Design of the model 3302A features quartz sensing elements,
operating in shear mode and is packaged in a stainless steel housing (1.05 x
1.21 x 0.48 inches). The Dytran model 3302A weighs 30 g, utilizes a 5/16-28
3-pin radial connector and offers vibration measurement capabilities up to 500g
range, with a 10 mV/g sensitivity. Units are hermetically sealed for reliable
operation within high-humidity and dirty environments as well as case isolated
to avoid electromagnetic or ground loop interference.
With its
durability, bracket-style mount and performance characteristics, the Dytran
model 3302A is useful for high-reliability aircraft/airframe vibration
measurements, Health & Usage Monitoring Systems (HUMS), Rotor Track &
Balance (RTB) and transmission vibration monitoring.
Piezoelectric Biaxial Accelerometer
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