Model 731A Ultra-Quiet Ultra Low Frequency Seismic Accelerometer

Brand: Wilcoxon Sensing Technologies
Top exit, ultra low frequency seismic accelerometer, case isolated, 2-pin MIL-C-5015 connector, 10 V/g. Features: 
  • Ultra high sensitivity
  • Ultra low-noise electronics for clear signals at sub micro-g levels
  • Low frequency capable
  • Low pass filtered to eliminate high frequencies
  • Reverse wiring protection
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    Images are representations only.
    Top exit, ultra low frequency seismic accelerometer, case isolated, 2-pin MIL-C-5015 connector, 10 V/g. Features: 
  • Ultra high sensitivity
  • Ultra low-noise electronics for clear signals at sub micro-g levels
  • Low frequency capable
  • Low pass filtered to eliminate high frequencies
  • Reverse wiring protection
  • Specifications

    Approvals & Certifications

    • CE

    Electrical Connectors

    • Cable (J9 / J9T2A)
    • Mating Connector: R6 Typical
    • Output Connector: 2-Pin, MIL-C-5015 Style

    Element

    • Sensing Element Design: PZT Ceramic, Flexure

    Enclosure, Body Material

    • 316L Stainless Steel

    Frequency

    • Frequency Response (± 10%): 0.10 to 300 Hz
    • Frequency Response (± 3 dB): 0.05 to 450 Hz
    • Resonance Frequency: 750 Hz

    Mounting

    • 3/8-16 Tapped Hole

    Noise

    • Electrical Noise, Equivalent G (Broadband: 2.5 Hz to 25 kHz): 0.5 µg
    • Electrical Noise, Equivalent G (Spectral: 10 Hz): 0.01 µg/√Hz
    • Electrical Noise, Equivalent G (Spectral: 100 Hz): 0.004 µg/√Hz
    • Electrical Noise, Equivalent G (Spectral: 2 Hz): 0.03 µg/√Hz

    Non-Linearity

    • Amplitude Non-Linearity: 1%

    Output Impedence

    • Maximum

    Power Requirement

    • 18-30 Vdc
    • Current Regulating Diode: 2-10 mA

    Range

    • Acceleration Range: 0.5 G Peak

    Seal Type

    • Hermetic

    Sensitivity

    • Base Strain Sensitivity: 0.0001 G/μstrain
    • Electromagnetic Sensitivity at 60 Hz: 20 µg/Gauss
    • Sensitivity, ± 10%, 25° C (77° F): 10 V/g
    • Transverse Sensitivity, Maximum

    Temperature Range

    • -10° to 65° C (14° to 150° F)

    Vibration

    • Vibration Limit: 10 G Peak

    Voltage

    • Bias Output Voltage: 9 Vdc

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