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Model 787A Low-Profile General-Purpose Accelerometer

Brand: Wilcoxon Sensing Technologies
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Wilcoxon’s side-exit 100 mV/g broadband sensor is ideal for monitoring machine vibration on a wide range of rotating equipment including motors, pumps, fans, compressors, turbines and generators. A 316L stainless steel casing provides rugged durability for the most extreme environments. The sensing element is housed in a case-isolated Faraday shield, providing maximum protection from ground loops and RF interference.
Features
  • Mounts in any orientation
  • Hermetically sealed
  • ESD-protected
  • Reverse wiring protection
  • Manufactured in an approved ISO 9001 facility
Wilcoxon’s side-exit 100 mV/g broadband sensor is ideal for monitoring machine vibration on a wide range of rotating equipment including motors, pumps, fans, compressors, turbines and generators. A 316L stainless steel casing provides rugged durability for the most extreme environments. The sensing element is housed in a case-isolated Faraday shield, providing maximum protection from ground loops and RF interference.
Features
  • Mounts in any orientation
  • Hermetically sealed
  • ESD-protected
  • Reverse wiring protection
  • Manufactured in an approved ISO 9001 facility
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Specifications

Brand

Approvals & Certifications

  • ISO 9001

Approvals & Certifications

  • CE

Circuit Protection

  • ESD Protection
  • Reverse Wiring Protection

Electrical Connectors

  • Cable (J9T2A / J9F)
  • Output Connector: 2-Pin, MIL-C-5015 Style

Element

  • Sensing Element Design: PZT, Shear

Enclosure, Body Material

  • 316L Stainless Steel

Frequency

  • Frequency Response (± 10 %): 1 to 5,000 Hz
  • Frequency Response (± 3 dB): 0.5 to 10,000 Hz
  • Resonance Frequency: 22 kHz

Mounting

  • 1/4-28 Captive Hex Head Screw, 0.046” Diameter Safety Wire Hole

Mounting Position

  • Any Orientation

Noise

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

Non-Linearity

  • Amplitude Non-Linearity: 1 %

Output Impedence

  • Maximum 100 Ω

Power Requirement

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

Range

  • Acceleration Range, Vdc > 25 V: 80 G Peak

Seal Type

  • Hermetic

Sensitivity

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

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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