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Piezoelectric Biaxial Accelerometer

Piezoelectric Biaxial Accelerometer

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.

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