7508A Series Accelerometer

The Model 7508A is a miniature piezoelectric charge mode accelerometer designed for high frequency vibration and shock measurements.

7508A Series Accelerometer

Description: The Model 7508A is a miniature piezoelectric charge mode accelerometer designed for high frequency vibration and shock measurements. The accelerometer incorporates an annular shear mode crystal that provides stable thermal response up to 200°C and a wide frequency response to >7kHz. With a nominal charge output of 5.6pC/g the model 7508A offers a high signal to noise ratio in a miniature package.

Features:

  • 200°C Charge Output Accelerometer
  • 5.6pC/g nominal output
  • Adhesive Mount, 10-32 Top Connector
  • Hermetically Sealed
  • Wide Bandwidth to >7kHz
  • Annular Shear Mode
  • Ground Isolated
Parameters
DYNAMIC Notes
Sensitivity (pC/g) 5.6 Typical
Sensitivity (pC/g) 4.0 Minimum
Frequency Response (Hz) 2 1-5000 ±10%
Frequency Response (Hz) 2 0.3-7000 ±2dB
Natural Frequency (Hz) 32000
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 200
Storage Temperature (°C) -73 to 200
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

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.

No Information Available.

Thermal response up to 200°C