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Model 731A/P31 Seismic Accelerometer/Power Supply Amplifier System

Brand: Wilcoxon Sensing Technologies
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Top exit, ultra low frequency seismic accelerometer, case isolated, 2-pin MIL-C-5015 connector, 10 V/g, IEPE power supply, power amplifier, twinaxial BNC input, BNC output.
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
  • ESD protection
  • Reverse wiring protection
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Top exit, ultra low frequency seismic accelerometer, case isolated, 2-pin MIL-C-5015 connector, 10 V/g, IEPE power supply, power amplifier, twinaxial BNC input, BNC output.
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
  • ESD protection
  • Reverse wiring protection
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Specifications

Brand

Battery Life

  • > 75 Hours - Model P31

Electrical Connectors

  • Input Connector: Twin Axial BNC - Model P31
  • Interconnect Cable (R6-2T-J9-10)
  • Output Connector: 2-Pin, MIL-C-5015 - Model 731A
  • Output Connector: BNC Connector - Model P31

Element

  • Sensing Element Design: PZT Ceramic, Flexure

Frequency

  • Frequency Response (-10%): 0.08 to 300 Hz
  • Frequency Response (-3 dB): 0.05 to 450 Hz

Load Impedance

  • Recommended Load Impedance: > 250 KiloOhms

Noise

  • Spectral (10 Hz): 0.01 µg/√Hz
  • Spectral (100 Hz): 0.004 µg/√Hz
  • Spectral (2 Hz): 0.03 µg/√Hz

Non-Linearity

  • Amplitude Non-Linearity: 1%

Output Impedence

  • Maximum

Power Requirement

  • Internal: (2) 9 V Alkaline Battery - Model P31

Range

  • Acceleration Range: 0.5 G Peak

Sensitivity

  • Acceleration Sensitivity, Selectable: 10 to 1,000 V/g
  • Base Strain Sensitivity: 0.0001 G/μstrain
  • Transverse Sensitivity, Maximum
  • Velocity Sensitivity, Selectable: 0.1 to 10 V/inch/sec

Shock

  • Fragile

Temperature Range

  • -10° to 65° C (14° to 150° F)

Vibration

  • Vibration Limit: 10 G Peak

Voltage

  • Maximum
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