7501A Series Accelerometer

7501A Series Accelerometer Description: The Model 7501A is a miniature piezoelectric charge mode accelerometer with an operating temperature range to 260°C. The accelerometer is designed for high frequency vibration and shock measurements and offers a wide bandwidth to >15kHz with 5.6pC/g nominal output. The model 7501A features a hermetically sealed titanium […]

7501A Series Accelerometer

Description: The Model 7501A is a miniature piezoelectric charge mode accelerometer with an operating temperature range to 260°C. The accelerometer is designed for high frequency vibration and shock measurements and offers a wide bandwidth to >15kHz with 5.6pC/g nominal output. The model 7501A features a hermetically sealed titanium housing and the popular through hole mount configuration.

Features:

  • 260°C Charge Output Accelerometer
  • 5.6pC/g output, 15kHz Bandwidth
  • ±2000g Dynamic Range
  • Miniature, Lightweight (2.1gm)
  • Hermetically Sealed
  • -73° to 260°C Operating Range
  • Titanium Housing
  • Isolated Mounting Surface
  • Annular Shear Mode

Parameters
DYNAMIC Notes
Sensitivity (pC/g) 5.6 Typical
Sensitivity (pC/g) 4.0 Minimum
Frequency Response (Hz) 2 1-8000 ±10%
Frequency Response (Hz) 2 0.5-10000 ±2dB
Natural Frequency (Hz) 46000
Non-Linearity (%FSO) ±1/1000g
Transverse Sensitivity (%) <5
Dynamic Range (g) 1 ±4000
Shock Limit (g) 10000
ELECTRICAL
Capacitance (pF) 560 Nominal
Insulation Resistance (MΩ) >100 @100Vdc
Ground Isolation Isolated from Mounting Surface
ENVIRONMENTAL
Temperature Response (%) See Typical Temperature Response Curve
Operating Temperature (°C) -73 to 260
Storage Temperature (°C) -73 to 260
Humidity Hermetically Sealed
PHYSICAL
Sensing Element Ceramic (shear mode)
Case Material Titanium
Electrical Connector M3 Coaxial Receptacle
Weight (grams) 2.1
Mounting Through Hole (#2 insulated cap screw)
Mounting Torque 5 lb-in (0.6 N-m)

1 Operating range over which the accelerometer meets the linearity specifications

2 Low-end response of the accelerometer is a function of its associated electronics.

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