Wilcoxon Sensing Technologies 731 Series Compact Seismic Accelerometer

Ultra high sensitivity, ultra low frequency accelerometer ideal for seismic applications; ultra low noise electronics for clear signals at sub-µg levels.

Starting at $787.69

Effective April 21st, 2025, Wilcoxon Sensing Technologies has added a 7% surcharge to this product. The surcharge will appear as a separate line item on the order.


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Product Specs (3 Files)

Features

  • Sensitivity:
    • 731-207, 731A: 10V/g
    • 731A/P31 system: 10, 100, 100V/g selectable
  • 0.5g peak acceleration range
  • Frequency response:
    • 731-207:
      • ±5%: 0.6 to 650Hz
      • ±10%: 0.5 to 850Hz
      • ±3 dB: 0.2 to 1,300Hz
    • 731A:
      • ±10%: 0.1 to 300Hz
      • ±3 dB: 0.05 to 450Hz
    • 731A/P31 system:
      • 100Hz:
        • -10%: 0.08 to 70Hz
        • -3 dB: 0.05 to 100Hz
      • 450Hz:
        • -10%: 0.08 to 300Hz
        • -3 dB: 0.05 to 450Hz
      • velocity:
        • -3 dB: 0.8 to 150Hz
  • Vibration limit:
    • 731-207: 50g peak
    • 731A, 731A/P31 system: fragile
  • Output connector:
    • 731-207: 10-32 coaxial
    • 731A: MIL-C-5015, 2-pin
    • 731A/P31: MIL-C-5015, 2-pin and BNC

The Wilcoxon Sensing Technologies 731 series compact seismic accelerometer is designed for long-term, reliable use. It is constructed with 316L stainless steel. The 731-207 features a 10-32 UNF tapped hole for mounting with SF1 stud (included) and a 10-32 coaxial output connector.

The 731A and 731A/P31 system feature a 2-pin, MIL-C-5015 output connector and include a SF7 mounting stud. Both accelerometer styles are hermetically sealed and manufactured in an ISO 9001 facility.

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