7131A Series Accelerometer

7131A Series Accelerometer Description: The Model 7131A is a miniature triaxial IEPE accelerometer available in ±50g to ±2000g dynamic ranges. The accelerometer features a hermetically sealed Titanium construction with a 4-pin Microtech connector interface. The model 7131A incorporates stable piezo-ceramic crystals in annular shear mode which provide a flat frequency response […]

7131A Series Accelerometer

Description: The Model 7131A is a miniature triaxial IEPE accelerometer available in ±50g to ±2000g dynamic ranges. The accelerometer features a hermetically sealed Titanium construction with a 4-pin Microtech connector interface. The model 7131A incorporates stable piezo-ceramic crystals in annular shear mode which provide a flat frequency response up to >10kHz.

Features:

  • Triaxial IEPE Accelerometer
  • Miniature Cube
  • ±50g to ±2000g Dynamic Range
  • Hermetically Sealed, Titanium
  • Wide Bandwidth to >10kHz
  • -55° to 125°C Operating Range
  • Stable Temperature Response
Parameters
DYNAMIC Notes
Range (g) ±50 ±100 ±500 ±2000
Sensitivity (mV/g) 100 50 10 2.5 ±15%
Frequency Response (Hz) 2.5-8000 1.5-8000 1-8000 1-9000 ±10%
Frequency Response (Hz) 1-10000 0.8-10000 0.5-10000 0.5-11000 ±2dB
Natural Frequency (Hz) 43000 43000 43000 43000
Non-Linearity (%FSO) ±1 ±1 ±1 ±1
Transverse Sensitivity (%) <5 <5 <5 <5
Shock Limit (g) 5000 5000 5000 5000
ELECTRICAL
Compliance Voltage (Vdc) 18 to 30 18 to 30 18 to 30 18 to 30
Excitation Current (mA) 2 to 10 2 to 10 2 to 10 2 to 10
Bias Voltage (Vdc) 8 to 12 8 to 12 8 to 12 8 to 12 Room Temperature
Bias Voltage (Vdc) 6 to 13 6 to 13 6 to 13 6 to 13 -55 to 125°C
Output Impedance (Ω) <100 <100 <100 <100
Full Scale Output Voltage (V) ±5 ±5 ±5 ±5
Residual Noise (g RMS) 0.0004 0.0005 0.0012 0.0032 Broadband 1Hz to 10kHz
Discharge Time Constant (sec) 0.8 to 1.2
Ground Isolation Case Grounded
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 Titanium
Electrical Connector 4-Pin Receptacle
Weight (grams) 6.0
Mounting Adhesive (stud mount option)

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