787A

787A

Product catalog summary
Specifications
  • Model: 787A General Purpose Accelerometer
  • Accessories Supplied: 1/4-28 captive hex head screw; calibration data (level 2)
  • Key Features:
    • Certified for use in hazardous areas
    • Low profile design
    • API 670 compliant
    • Manufactured in an ISO 9001 facility
Technical Specifications
  • Sensitivity: ± 5%, 25°C, 100 mV/g
  • Acceleration Range: VDC > 25 V, 80 g peak
  • Amplitude Nonlinearity: 1%
  • Frequency Response:
    • ± 10%: 1 - 5,000 Hz
    • ± 3 dB: 0.5 - 10,000 Hz
  • Resonance Frequency: 22 kHz
  • Transverse Sensitivity: Max 5% of axial
  • Temperature Response: –55°C to +120°C, –20% to +10%
  • Power Requirement:
    • Voltage Source: 18 - 30 VDC
    • Current Regulating Diode: 2 - 10 mA
  • Electrical Noise:
    • Broadband: 2.5 Hz to 25 kHz, 700 µg
    • Spectral: 10 Hz - 10 µg/√Hz, 100 Hz - 5 µg/√Hz, 1,000 Hz - 5 µg/√Hz
  • Output Impedance: Max 100 Ω
  • Bias Output Voltage: 12 VDC
  • Grounding: Case isolated, internally shielded
  • Temperature Range: –55° to +120°C
  • Vibration Limit: 500 g peak
  • Shock Limit: 5,000 g peak
  • Electromagnetic Sensitivity: Max 70 µg/gauss
  • Sealing: Hermetic
  • Base Strain Sensitivity: Max 0.002 g/μstrain
  • Sensing Element Design: PZT, shear
  • Weight: 145 grams
  • Case Material: 316L stainless steel
  • Mounting: 1/4-28 captive hex head screw, 0.046” diameter safety wire hole
  • Output Connector: 2 pin, MIL-C-5015 style
  • Recommended Cabling: J9T2A / J9F
Connections
  • Function: Connector pin
  • Power/Signal: A
  • Common: B
  • Ground: Shell
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Catalog excerpts

787A-1

Acceleration range, VDC > 25 V 80 g peak Transverse sensitivity, max 5% of axial Key features Power requirement: Voltage source Current regulating diode Electrical noise, equiv. g: Broadband 2.5 Hz to 25 kHz 100 Hz 1,000 Hz Output impedance, max Bias output voltage Grounding Temperature range Vibration limit Shock limit Electromagnetic sensitivity, equiv. g, max Sealing Base strain sensitivity, max Sensing element design Weight Case material • Certified versions available for use in hazardous areas • Low profile • API 670 compliant • Manufactured in ISO 9001 facility Output connector Recommended cabling 700 pg 10 pg/VHz 5 pg/VHz 5 Mg/VHz 100 O 12 VDC case isolated, internally shielded -55° to +120°C 500 g peak 5,000 g peak 70 pg/gauss hermetic 0.002 g/pstrain PZT, shear 145 grams 316L stainless steel 1/4-28 captive hex head screw, 0.046” diameter safety wire hole 2 pin, MIL-C-5015 style J9T2A/J9F Accessories supplied: 1/4-28 captive hex head screw; calibration data (level 2) Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. Wilcoxon Sensing Technologies An Amphenol Company 8435 Progress Drive Frederick, MD 21701 USA buy.wilcoxon.com www.wilcoxon.com

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