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  5. EGAS-S398C Shock Testing Accelerometer

EGAS-S398C Shock Testing Accelerometer

Accelerometer for personal crash tests with very high damping


Key features

  • Standard <10mV ZMO
  • Linearity <1%
  • Transverse Sensitivity <1%
  • 2-10Vdc Excitation
  • 0.7 Critical Damping Ratio
  • Flexible, Low Noise Cable

About the EGAS-S398C Shock Testing Accelerometer

The Model EGAS-S398C Accelerometer is a critically fluid damped accelerometer designed specifically for ATD pedestrian impact and head form testing. The accelerometer has been certified by Euro NCAP for dummy impact and headform test applications.

The accelerometer is available in ranges from ±50g to ±2000g and features silicon semiconductor strain gages in a
half-bridge configuration with a nominal 1500Ω impedance. The design also incorporates integral mechanical over-range stops for high-g protection.

The model EGAS-S398C accelerometer is temperature compensated for low drift performance. The thermal
compensation circuit is installed in an in-line cable module.

 

Key features EGAS-S398C

  • Standard <10mV ZMO
  • Linearity <1%
  • Transverse Sensitivity <1%
  • 2-10Vdc Excitation
  • 0.7 Critical Damping Ratio
  • Flexible, Low Noise Cable

 

Applications EGAS-S398C

  • Pedestrian Impact Testing
  • ATD Head Form Test
  • Shock and Impact Testing
  • Transient Drop Testing
  • Helmet Impact Testing

Do you need this sensor for your next project?

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Technical Specifications

Specification Value
Channel class frequency CFC180 CFC600 CFC1000 CFC1000 CFC1000 CFC1000
Excitation voltage (vdc) 2 to 10
Full scale output (mv) 54-72 54-72 54-72 54-72 54-72 54-72 @10Vdc Excitation
Natural frequency (hz) >1000 >1500 >2500 >4000 >6000 >10000
Nsulation resistance (mΩ) >100 @100Vdc
Operating temperature (°c) -20 to +80
Range (g) ±50 ±100 ±250 ±500 ±1000 ±2000
Storage temperature (°c) -20 to +80
Thermal sensitivity shift (%/°c) ±0.05 From -10°C to +50°C
Thermal zero shift (%fso/°c) ±0.02 From -10°C to +50°C
Transverse sensitivity (%) <1 Nominal
Zero acceleration output (mv) <±10 Differential