EGAXT Series Accelerometer

The Model EGAXT miniature accelerometers combine a damping ratio of 0.7 (nominal) with built-in over-range stops that protect the unit against 10,000g shocks.

EGAXT Series Accelerometer

Description: The Model EGAXT miniature accelerometers combine a damping ratio of 0.7 (nominal) with built-in over-range stops that protect the unit against 10,000g shocks. This is ideal for applications which may experience rough handling or in situations where the accelerometer must survive a high initial overload in order to make a low g measurement.

Features:

  • Miniature DC Response Accelerometer
  • Critically Damped
  • ±5g to ±2500g Dynamic Range
  • 10,000g Over-range Protection
  • Small Size, Low Weight
  • -40° to 120°C Operating Range
  • Small Size, Low Weight
  • Frequency Response from DC to 3000 Hz
Parameters
DYNAMIC Notes
Range (g) ±5 ±10 ±25 ±50 ±100 ±250 ±500 ±1000 ±2500
Sensitivity (mV/g)1 5.2-11.3 4.2-9.0 2.1-4.5 1.57-3.38 1.05-2.25 .52-1.13 .35-.75 .17-.38 .07-.15
Frequency Response min. (Hz) 0-120 0-140 0-300 0-350 0-400 0-500 0-750 0-1000 0-1400 ±1/2dB
Frequency Response nom. (Hz) 0-250 0-300 0-600 0-700 0-900 0-1000 0-1500 0-2000 0-3000 ±1/2dB
Natural Frequency (Hz) 500 600 1200 1400 1700 2000 3000 4000 6000
Non-Linearity (%FSO) ±1 ±1 ±1 ±1 ±1 ±1 ±1 ±1 ±1
Transverse Sensitivity (%) <3 <3 <3 <3 <3 <3 <3 <3 <3
Damping Ratio 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 Nominal
Shock Limit (g) 2000 2000 5000 5000 10000 10000 10000 10000 10000
ELECTRICAL
Zero Acceleration Output (mV) ±15 Differential
Excitation Voltage (Vdc) 15 (can be used from 2 to 15Vdc but lower excitation voltage will decrease sensitivity accordingly)
Input Resistance (Ω) 2000 Nominal
Output Resistance (Ω) 1000 Nominal
Insulation Resistance (MΩ) >100 @50Vdc
Ground Isolation Isolated from Mounting Surface
ENVIRONMENTAL
Thermal Zero Shift ±2.5mV / 50°C (±2.5mV / 100°F)
Thermal Sensitivity Shift 1% to -4% / 50°C ( 1% to -4% / 100°F)
Operating Temperature -40 to 120°C (-40 to 250°F)
Compensated Temperature 20 to 80°C (70 to 170°F), contact factory for other temperature compensation options
Storage Temperature -40 to 120°C (-40 to 250°F)
Humidity Epoxy Sealed, IP61
PHYSICAL
Case Material Stainless Steel
Cable 4x #34 AWG PTFE Leads, 24 inch
Weight <1 grams
Mounting Adhesive or Screw Mount Versions Available (-F configuration)
1 Output is ratiometric to excitation voltage

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