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The Model 7508A is a miniature piezoelectric charge mode accelerometer designed for high frequency vibration and shock measurements at temperatures up to 200°C.

The accelerometer incorporates an annular shear mode crystal installed with a compression ring that eliminates the usage of epoxies that can affect long term stability at elevated temperatures. Featuring a nominal charge output of 5.6 pC/g, the model 7508A offers a high signal to noise ratio in a miniature adhesive mount package.
Features
  • Wide bandwidth up to 7 kHz
  • -73°C to 200°C Operating Range
  • Stainless Steel Housing
  • Annular Shear Mode
  • Adhesive Mounting
  • Isolated from Mounting Surface

Specifications

Accuracy

  • ± 1 % of Full Scale Output / 1,000 G - Non-Linearity

Approvals & Certifications

  • CE
  • RoHS

Electrical Connectors

  • Coaxial Cable - 10-32 Coaxial Receptacle

Enclosure, Body Material

  • Stainless Steel

Frequency

  • 0.3 to 7,000 Hz (± 2 dB) - Frequency Response
  • 1 to 5,000 Hz (± 10 %) - Frequency Response
  • 32000 Hz - Natural Frequency

Humidity

  • Hermetically Sealed

Insulation Resistance

  • > 100 megaohms at 100 Vdc

Mounting

  • Adhesive

NACE & NIST

  • NIST - Traceable Amplitude Calibration

Operating Temperature

  • -73° to 200° C (-100° to 392° F)

Sensitivity

  • < 5 % - Transverse Sensitivity
  • 4.0 PC/g - Min.
  • 5.6 PC/g - Typical

Sensor, Probe Material

  • Ceramic

Shock

  • 10,000 G

Storage Temperature

  • -73° to 200° C (-100° to 392° F)

  • Flight Testing
  • High Frequency Applications
  • High Temperature Applications
  • Small Structures Monitoring
  • Vibration & Shock Monitoring
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