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The Model 7531A is an adhesively mounted triaxial 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 >10 kHz with a nominal charge output of 1.8 pC/g. The model 7531A incorporates stable high temperature piezo-ceramic crystals in annular shear mode.
Features
  • 1.8pC/g Sensitivity
  • Wide bandwidth up to >10kHz
  • Isolated Case Option
  • Hermetically Sealed
  • Annular Shear Mode
  • -73°C to +260°C Operating Range
  • Stable Temperature Response

1 - 4 of 4 Part Numbers
7531A
7531A
  • Thread Fitting Option - M3 Thread
7531A-01
7531A-01
  • Thread Fitting Option - M 2.5 x 0.45 6 G
7531A-02
7531A-02
  • Thread Fitting Option - #5-40" UNF-2B
7531A-03
7531A-03
  • Thread Fitting Option - Case Isolated
1 - 4 of 4 Part Numbers

Specifications

Accuracy

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

Approvals & Certifications

  • CE
  • RoHS

Cover Material

  • Anodized Aluminum Isolated Cover

Electrical Connectors

  • M3 Coaxial Receptacle

Element

  • Ceramic - Sensing Element

Enclosure, Body Material

  • Titanium

Environmental Protection

  • IP67

Frequency

  • 0.2 to 10,000 Hz (± 2 dB) - Frequency Response
  • 1 to 7,000 Hz (± 10 %) - Frequency Response
  • 48,000 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 260° C (-100° to 500° F)

Sensitivity

  • < 5 % - Transverse Sensitivity
  • 1 PC/g - Min.
  • 1.8 PC/g - Typical

Sensor, Probe Material

  • Ceramic

Shock

  • 10,000 G

Storage Temperature

  • -73° to 260° C (-100° to 500° F)

  • Gearbox Vibration Monitoring
  • High Frequency Applications
  • High Temperature Applications
  • Laboratory Testing
  • Vibration & Shock Monitoring
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