7108A Series Accelerometer

The Model 7108A is a miniature adhesive mount IEPE accelerometer available in ±50g to ±500g dynamic ranges.

7108A Series Accelerometer

Description: The Model 7108A is a miniature adhesive mount IEPE accelerometer available in ±50g to ±500g dynamic ranges. The accelerometer features a welded hermetic stainless steel construction with a coaxial 10-32 top connector. The model 7108A incorporates stable piezo-ceramic crystals in annular shear mode which provide a flat frequency response up to >10kHz.

Features:

  • Miniature IEPE Accelerometer
  • ±50g to ±500g Dynamic Range
  • Adhesive Mount, 10-32 Top Connector
  • Hermetically Sealed
  • Wide Bandwidth to >10kHz
  • -55° to 125°C Operating Range
  • Annular Shear Mode
  • Ground Isolated
Parameters
DYNAMIC Notes
Range (g) ±50 ±500
Sensitivity (mV/g) 100 10 ±10%
Frequency Response (Hz) 1-8000 1-8000 ±10%
Frequency Response (Hz) 0.5-10000 0.5-10000 ±2dB
Natural Frequency (Hz) 32000 32000
Non-Linearity (%FSO) ±1 ±1
Transverse Sensitivity (%) <5 <5
Shock Limit (g) 5000 5000
ELECTRICAL
Compliance Voltage (Vdc) 18 to 30 18 to 30
Excitation Current (mA) 2 to 10 2 to 10
Bias Voltage (Vdc) 8 to 12 8 to 12 Room Temperature
Bias Voltage (Vdc) 6 to 14 6 to 14 -55 to 125°C
Output Impedance (Ω) <100 <100
Full Scale Output Voltage (V) ±5 ±5
Residual Noise (g RMS) 0.0004 0.0008 Broadband 1Hz to 10kHz
Discharge Time Constant (sec) 0.8 to 1.2
Ground Isolation Isolated from Mounting Surface
ENVIRONMENTAL
Temperature Response (%) See Typical Temperature Response Curve
Operating Temperature (°C) -55 to 125
Storage Temperature (°C) -55 to 125
Humidity Hermetically Sealed
PHYSICAL
Sensing Element Ceramic (shear mode)
Case Material Stainless Steel
Electrical Connector 10-32 Coaxial Receptacle
Weight (grams) 3.6
Mounting Adhesive

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