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Miniature Piezoelectric Accelerometers

Highlights

  • No moving parts provides durability
  • Rigidity imparts high frequency range
  • Lightweight construction minimizes mass loading
  • Numerous configuration options
  • Mount by screw, stud, or adhesive
  • Available with both Quartz elements
    (for thermal stability) or Ceramic elements (for high measurement resolution
Structured with highly sensitive piezoceramic sens­ing elements, Ceramic Shear ICP® Accelerometers have an excellent signal-to-noise ratio, high measurement resolution, and are ideal for conducting low-level vibration measurements. Due to their inherent higher sensitivity, a ceramic ICP® accelerometer can be assembled with a smaller mass than comparable quartz units, resulting in a sensor that is lighter in weight, has a higher frequency response, and has a lower noise floor.

To further reduce the mass of the sensors, all ceramic shear accelerometers are housed in either tough, lightweight, laser-welded, hermetically sealed, titanium or aluminum housings. By minimizing the mass of the sensor, mass loading effects are reduced, which maximizes the accuracy of the data obtained.

Charge Output minature accelerometers are capable of operation to +500 °F (+260 °C), permitting measurements in extreme environments and with existing charge amplified systems.

Triaxial accelerometers are available in a variety of sensitivities to suit specific application requirements. Choose miniature, lightweight units for high-frequency response, minimized mass loading, and when installation is in space restricted locations. Low profile designs are ideal for on-road or wind tunnel testing of exterior body panels. Through-hole mount units simplify axis and electrical connector orientation while controlling cable routing along the test specimen. Filtered output units avoid high frequency overload as may be encountered with engine NVH and drive train measurements.

Single Axis Accelerometers >>

Triaxial Accelerometers >>

Applications

  • Drop Testing & Package Testing
  • Small Component Qualification Testing
  • Low Amplitude Vibration Measurements
  • High Frequency Applications
  • Space Restricted Installations




Miniature Single Axis Accelerometers

Highlights

  • Small size
  • High frequency range
  • Light weight
  • Available in robust titanium or lightweight aluminum housing

Miniature piezoelectric accelerometers are required for applications demanding high frequency range, small size, and low weight.

Product testing is necessary in today’s competitive marketplace in order to optimize designs, reduce defects, and improve customer acceptance and satisfaction. Shock and vibration testing offers a structured approach for verifying survivability in environmental influences that may be encountered during service and for precipitating incipient failures so they are not encountered by the end-user. PCB® accelerometers are used extensively for monitoring an object’s response to a programmed vibration input and for controlling the vibration profiles during testing.

Applications

  • Environmental Testing
  • Component Qualification
  • Structural Testing
  • Operational Behavior Studies
  • Fatigue Testing
  • Vibration & Sound Cancellation
  • Circuit Boards
  • Components
  • Small Assemblies



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Miniature Triaxial Accelerometers

Highlights

  • Lightweight Titanium
  • Hermetic Seal
  • Screw, Stud, or Adhesive Mount
Is the cable assembly for my triaxial accelerometer included or do I need to
order it separately?

PCB® currently offers four different configurations:

  • Integral Cable – Any unit with an integral cable normally has a 5 ft. length cable. In addition, a mating 5 ft. extension cable is provided that terminates in (3) BNC Plugs.
  • 8-36 4-Pin Jack – Any unit with this connector is provided with a 10 ft. mating cable assembly that terminates in (3) BNC Plugs
  • ¼-28 4-Pin Jack – Any unit with this connector is not provided with a cable assembly, as this connector is more universal than the 8-36 configuration mentioned above.
  • (3) Independent Coaxial Jacks – This configuration is used on the Charge Output accelerometers. Cable assemblies are not included with these sensors because coaxial cables are very common.

A listing of all of the accessories that are supplied with each particular sensor can be found in the “Supplied Accessories” section of each accelerometer table, as well as on the published specification sheet at www.pcb.com.


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From ready-to-ship stock products, to custom-made specials, PCB® proudly stands behind all products with services you value most, including our 24-hour technical support, global distribution network, and the industry's only commitment to Total Customer Satisfaction.

Contact us with your next test & measurement project!

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