7120A Series Accelerometer

7120A Series Accelerometer Description: The Model 7120A is a high performance IEPE accelerometer designed for modal applications. The accelerometer is available in ±50g to ±500g dynamic ranges and offers a flat frequency response to >6kHz. The model 7120A is designed for adhesive mounting and features a hermetic welded Titanium construction with […]

7120A Series Accelerometer

Description: The Model 7120A is a high performance IEPE accelerometer designed for modal applications. The accelerometer is available in ±50g to ±500g dynamic ranges and offers a flat frequency response to >6kHz. The model 7120A is designed for adhesive mounting and features a hermetic welded Titanium construction with a side mount connector. The standard operating temperature range extends from -55°C to 100°C.

Features:

  • IEPE Modal Accelerometer
  • ±50g to ±500g Dynamic Range
  • Miniature Cube
  • Wide Bandwidth to 6kHz
  • Hermetically Sealed, Titanium
  • -55° to 100°C Operating Range
  • TEDS Option
Parameters
DYNAMIC Notes
Range (g) ±50 ±500
Sensitivity (mV/g) 100 10
Frequency Response (Hz) 0.5-4000 0.5-5000 ±5%
Frequency Response (Hz) 0.3-6000 0.3-7000 ±1dB
Natural Frequency (Hz) 37000 37000
Phase Response (Hz) 1-3000 1-3000 ±5%
Non-Linearity (%FSO) ±1 ±1
Transverse Sensitivity (%) <5 <5
Shock Limit (g) 10000 10000
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 13 6 to 13 -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
Grounding Case Grounded
ENVIRONMENTAL
Temperature Response (%) See Typical Temperature Response Curve
Operating Temperature (°C) -55 to 100
Storage Temperature (°C) -55 to 100
Humidity Hermetically Sealed
PHYSICAL
Sensing Element Ceramic (shear mode)
Case Material Titanium
Electrical Connector 10-32 Coaxial Receptacle
Weight (grams) 4.0
Mounting Adhesive

No Information Available.

Temperature range extends from -55°C to 100°C