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Family 6951

High precision single axis variable capacitance (VC) accelerometer used in airbag testing, crash testing, robotics, seismic monitoring and tilt measurement. 

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Family 6951

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HBK 6951 is a family of case-isolated variable capacitance (VC) accelerometers. The accelerometers contain hermetically sealed MEMS capacitive sensing elements, a custom integrated circuit amplifier and low-noise electronics in a  hermetically sealed titanium housing. The accelerometers are tailored for zero to medium frequency applications.

Uses

  • Low-frequency, motion and tilt measurements
  • Flight testing
  • Road load testing
  • Transportation
  • Modal analysis
  • Airbag testing
  • Crash testing
  • Robotics
  • Battery testing

 

 

Features

  • Case-isolated
  • VC accelerometer
  • Differential mode
  • DC response
  • Integral cable
  • TEDS
  • Epoxy sealed
  • 5 to 50 g full scale
  • 5000 g shock survivability
  • Low power consumption
  • Super low noise
  • MEMS (micro-electromechanical systems) technology

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Family 6951
Type/technology MEMS-based
Direction/Axes Uniaxial
Measurement range 490 m/s², 49 m/s²
Measurement range 50 g, 5 g
Application General purpose, Airborn
Weight 13 g
Weight 0.5 oz
Sensitivity tolerance 10 %
Sensitivity 80 mV/g, 800 mV/g
Lower frequency 0 Hz
Higher frequency 1.2 kHz, 0.4 kHz
Minimum Temperature -55 °C
Maximum Temperature 125 °C
Minimum Temperature -67 °F
Maximum Temperature 257 °F
Mounting Center bolt mounting
Electric isolation Case isolated
Output signal (connectivity) Analogue
Electrical connector location Integral cable
TEDS Yes
Filtering None