731-207

731-207

Product catalog summary
Specifications Overview
  • Product: Compact, ultra low-frequency accelerometer
  • Model: 731-207
  • Manufacturer: Wilcoxon Sensing Technologies, an Amphenol Company
  • Facility: Manufactured in ISO 9001 certified facility
Key Features
  • Ultra high sensitivity and low noise
  • Compact design suitable for seismic applications
Technical Specifications
  • Sensitivity: 10 V/g at ±10% accuracy at 25°C
  • Acceleration Range: 0.5 g peak
  • Amplitude Nonlinearity: 1%
  • Frequency Response:
    • ±5%: 0.6 - 650 Hz
    • ±10%: 0.5 - 850 Hz
    • ±3 dB: 0.2 - 1,300 Hz
  • Resonance Frequency: 2.4 kHz (mounted)
  • Transverse Sensitivity: Max 1% of axial
  • Temperature Response:
    • 0°C: -14%
    • +80°C: +14%
  • Power Requirements:
    • Voltage Source: 18 - 30 VDC
    • Current Regulating Diode: 2 - 10 mA
  • Electrical Noise:
    • Broadband: 2 µg (2.5 Hz to 25 kHz)
    • Spectral: 0.28 µg/√Hz at 2 Hz, 0.09 µg/√Hz at 10 Hz, 0.03 µg/√Hz at 100 Hz
  • Output Impedance: Max 500 Ω
  • Bias Output Voltage: Nominal 10 VDC
  • Grounding: Case grounded
  • Temperature Range: 0° to +80°C
  • Vibration Limit: 50 g peak
  • Shock Limit: 250 g peak
  • Electromagnetic Sensitivity: 20 µg/gauss at 60 Hz
  • Sealing: Hermetic
  • Base Strain Sensitivity: 0.0005 g/μstrain
  • Weight: 60 grams
  • Case Material: 316L stainless steel
  • Mounting: 10-32 UNF
  • Output Connector: 10-32 coaxial
  • Recommended Cabling: J93
Physical Dimensions
  • Height: 1.40 inches
  • Diameter: 0.99 inches
  • Mounting Hole: 10-32
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Catalog excerpts

731-207-1

Compact, ultra low-frequency accelerometer 731-207SPECIFICATIONS 10 V/g 0.5 g peak 1% 0.6 - 650 Hz 0.5 - 850 Hz 0.2 - 1,300 Hz 2.4 kHz 1% of axial -14% + 14% Sensitivity, ± 10%, 25°C Acceleration range Amplitude nonlinearity Frequency response, nominal: ± 5% Resonance frequency, mounted, nominal Transverse sensitivity, max Temperature response: 0°C Power requirement: Voltage source Current regulating diode Electrical noise, equiv. g, nominal: Broadband 2.5 Hz to 25 kHz 2 pg 0.28 pg/VHz 0.09 pg/VHz 0.03 pg/VHz 500 Q 10 vdc case grounded 0° to +80oC 50 g peak 250 g peak 20 pg/gauss hermetic 0.0005 g/pstrain 60 grams 316L stainless steel 10-32 UNF 10-32 coaxial J93 Output impedance, max Bias output voltage, nominal Grounding Temperature range Vibration limit Shock limit Electromagnetic sensitivity at 60 Hz Sealing Base strain sensitivity Weight Case material Mounting Output connector Recommended cabling Accessories supplied: SF1 mounting stud; calibration data (level 3) Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. 8435 Progress Drive Frederick, MD 21701 USA buy.wilcoxon.com www.wilcoxon.com

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