7102A Series Accelerometer

The Model 7102A is a miniature adhesive mount IEPE accelerometer available in ±50g to ±2000g dynamic ranges.

7102A Series Accelerometer

Description: The Model 7102A is a miniature adhesive mount IEPE accelerometer available in ±50g to ±2000g dynamic ranges. The accelerometer features a welded hermetic Titanium construction with an M3 connector. The model 7102A accelerometer has an operating range of -55°C to 125°C and a flat frequency response to greater than 12kHz.

Features:

  • Miniature IEPE Accelerometer
  • Lightweight, <1grams
  • ±50g to ±2000g Dynamic Range
  • Hermetic, Welded Titanium
  • Wide Bandwidth to >12kHz
  • -55° to 125°C Operating Range
  • Annular Shear Mode
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) 48000 48000 48000 48000
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 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 Titanium
Electrical Connector M3 Coaxial Receptacle
Weight (grams) 0.9
Mounting Adhesive

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