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Data sheet on the Type 8781A50 accelerometer - .PDF file.

Kistler has introduced a Piezostar (IEPE-type) piezoelectric accelerometer with centre-hole mounting that has been designed to provide vibration measurements across three orthogonal axes, in support of aerospace and automotive NVH and other testing environments characterised by rapid temperature fluctuations.

The new Type 8781A50 accelerometer is recommended for use in vehicle powertrain and off-highway NVH investigations.

It can also be effectively used to perform joint measurements between aggregates and the car body, as well as measurements on the engine itself, where wider temperature fluctuations are most commonly experienced.

The Type 8781A50 is also suitable for structural analysis and the general vibration testing of automotive subsystems, as well as full vehicle testing. 

Key specifications

  • Features a 50g measurement range and 100mV/g sensitivity
  • Rugged design incorporates Kistler’s proprietary Piezostar shear element crystal technology, along with high-gain integral hybrid microelectronics
  • Offers a broad frequency response and low-sensitivity variation over an operating temperature range of -54°C to +120°C
  • Ensures high immunity to base strain errors
  • Sensing elements are housed in a lightweight, ground-isolated, welded hermetic titanium package that terminates with a four-pin connector, for a total mass of 13g
  • Models designated with optional T suffix incorporate transducer electronic data sheet (TEDS) capabilities per IEEE 1451.4-2004 for higher-channel-count applications
  • Units are rugged to 5,000g pk shock and are powered by a 20-30VDC or 2-18mA constant-current supply
  • Due to its ground isolation, the accelerometer is also immune to parasitic coupling when used with optional shielded Kistler cables

Kistler Instruments

Established in Winterthur (Switzerland) in 1957, the Kistler Group now has a worldwide presence with 23 group companies and 30 distributors ensuring prompt, local application support and short delivery times. With a staff of more than 1,000, the Kistler Group is one of the world’s leading providers of dynamic measuring instrumentation.

Kistler’s core competence is the development, production and use of sensors for measuring pressure, force and acceleration.  Kistler’s know-how and electronic systems can be used to prepare measuring signals for use in analyzing physical processes, controlling and optimizing industrial processes, improving product quality in manufacturing and improving performance in sports and rehabilitation.

Kistler offers a comprehensive range of sensors and systems for engine development, automotive engineering, plastics and metal processing, installation technology and biomechanics.

Heavy investment in research and development, 15% of staff worldwide are engaged in research and development, has generated a number of innovations using piezoelectric, piezoresistive and capacitive techniques to provide solutions to numerous force, pressure and acceleration measuring problems. These innovations include the world’s first commercial quartz sensor, two-wire constant current technology to integrate sensors with microelectronic circuitry, high-temperature pressure sensors for use up to 400 Deg C and three-component force measuring sensors.

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