Model 786-500-M12 General Purpose Low-Frequency Accelerometer

Brand: Wilcoxon Sensing Technologies
Wilcoxon’s top-exit 786-500-M12 sensor offers clear signals at low vibration levels. The sensor is designed with extended low-end frequency response and improved signal-to-noise ratio compared to other general-purpose models. 

It can be used to detect both low- and highspeed vibrations and is optimized for detecting vibration on slow turning machinery such as cooling tower fans and slow-speed gearboxes. The sensor comes with the popular M12 connector.
Features
  • Rugged design
  • Comes with industry popular M12 connector
  • High sensitivity
  • Hermetically sealed
  • ESD protected
  • Reverse wiring protection
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Wilcoxon’s top-exit 786-500-M12 sensor offers clear signals at low vibration levels. The sensor is designed with extended low-end frequency response and improved signal-to-noise ratio compared to other general-purpose models. 

It can be used to detect both low- and highspeed vibrations and is optimized for detecting vibration on slow turning machinery such as cooling tower fans and slow-speed gearboxes. The sensor comes with the popular M12 connector.
Features
  • Rugged design
  • Comes with industry popular M12 connector
  • High sensitivity
  • Hermetically sealed
  • ESD protected
  • Reverse wiring protection

Specifications

Approvals & Certifications

  • CE

Circuit Protection

  • ESD Protection
  • Reverse Wiring Protection

Electrical Connectors

  • Cable (J10 / J9T2A)
  • Mating Connector: M12 Style, 4 or 5-Pin

Element

  • Sensing Element Design: PZT, Shear

Enclosure, Body Material

  • 316L Stainless Steel

Frequency

  • Frequency Response (± 10%): 0.5 to 9,000 Hz
  • Frequency Response (± 3 dB): 0.2 to 14,000 Hz
  • Frequency Response (± 5%): 0.7 to 5,000 Hz
  • Resonance Frequency, Mounted, Nominal: 30 kHz

Mounting

  • 1/4-28 UNF Tapped Hole

Noise

  • Electrical Noise, Equivalent G (Broadband: 2.5 Hz to 25 kHz): 250 µg
  • Electrical Noise, Equivalent G (Spectral: 10 Hz): 2.5 µg/√Hz
  • Electrical Noise, Equivalent G (Spectral: 100, 1,000 Hz): 1.5 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 > 22 V: 10 G Peak

Seal Type

  • Hermetic

Sensitivity

  • Base Strain Sensitivity, Maximum
  • Electromagnetic Sensitivity, Equivalent G, Maximum
  • Sensitivity, ± 5%, 25° C (77° F): 500 mV/g
  • Transverse Sensitivity: Maximum 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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