Model 786A General Purpose Accelerometer

Brand: Wilcoxon Sensing Technologies
The top-exit Wilcoxon 100 mV/g broadband sensor provides long-lasting reliability with MTBF 25 years. The general-purpose accelerometer is ideal for monitoring machine vibration on a wide range of rotating equipment such as motors, pumps, fans, compressors, turbines and generators. The 316L stainless steel casing provides rugged durability for most extreme environments. The sensing element is housed in a case-isolated Faraday shield, providing maximum protection from ground loops and RF interference. Certified versions are available for use in hazardous areas. Features: 
  • Case isolated
  • Hermetically sealed
  • ESD-protected
  • EMI/RFI shielded
  • Reverse wiring protection
  • Manufactured in an approved ISO 9001 facility
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    The top-exit Wilcoxon 100 mV/g broadband sensor provides long-lasting reliability with MTBF 25 years. The general-purpose accelerometer is ideal for monitoring machine vibration on a wide range of rotating equipment such as motors, pumps, fans, compressors, turbines and generators. The 316L stainless steel casing provides rugged durability for most extreme environments. The sensing element is housed in a case-isolated Faraday shield, providing maximum protection from ground loops and RF interference. Certified versions are available for use in hazardous areas. Features: 
  • Case isolated
  • Hermetically sealed
  • ESD-protected
  • EMI/RFI shielded
  • Reverse wiring protection
  • Manufactured in an approved ISO 9001 facility
  • Specifications

    Approvals & Certifications

    • ATEX Ex Class I Division 1, (Zone 0/1), Class I Division 2, (Zone 2)
    • CE
    • CSA (C,US)

    Approvals & Certifications

    • ISO 9001

    Electrical Connectors

    • Cable (J10 / J9T2A)
    • Mating Connector: MIL Connector (MIL-5015 Style)

    Element

    • Sensing Element Design: PZT, Shear

    Enclosure, Body Material

    • 316L Stainless Steel

    Frequency

    • Frequency Response (± 10%): 1 to 9,000 Hz
    • Frequency Response (± 3 dB): 0.5 to 14,000 Hz
    • Frequency Response (± 5%): 3 to 5,000 Hz
    • Resonance Frequency, Mounted, Nominal: 30 kHz

    Mounting

    • 1/4-28 UNF Tapped Hole

    Noise

    • Electrical Noise, Equivalent G, Nominal (Broadband: 2.5 Hz to 25 kHz): 700 µg
    • Electrical Noise, Equivalent G, Nominal (Spectral: 10 Hz): 10 µg/√Hz
    • Electrical Noise, Equivalent G, Nominal (Spectral: 100, 1,000 Hz): 5 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, Vdc > 25 V: 80 G Peak

    RFI/EMI Protection

    • EMI/RFI Shielded

    Seal Type

    • Hermetic

    Sensitivity

    • Base Strain Sensitivity, Maximum
    • Electromagnetic Sensitivity, Equivalent G, Maximum
    • Sensitivity, ± 5%, 25° C (77° F): 100 mV/g
    • Transverse Sensitivity, Maximum

    Shock

    • Shock Limit: 5,000 G Peak

    Temperature Range

    • -50° to 120° C (-58° to 248° F)

    Vibration

    • Vibration Limit: 500 G Peak

    Voltage

    • Bias Output Voltage: 12 Vdc

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