Model 786A-M12-IS General Purpose Intrinsically Safe Accelerometer

Brand: Wilcoxon Sensing Technologies
Wilcoxon’s top-exit 100 mV/g broadband sensor is certified for usage in hazardous areas. 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. 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. The sensor is supplied with the popular M12 connector. 

The 786A-M12-IS sensor is classifed for usage in Class I Division 1/Zone 0/1 locations where ignitable concentrations of flammable gases, vapors or liquids are present continuously under normal operating conditions.
Features
  • Class I, Div 1/Zone 0/1 certified
  • Comes with the industry popular M12 connector
  • Mounts in any orientation
  • Hermetically sealed
  • ESD-protected
  • Reverse wiring protection
  • Manufactured in an approved ISO 9001 facility
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Wilcoxon’s top-exit 100 mV/g broadband sensor is certified for usage in hazardous areas. 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. 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. The sensor is supplied with the popular M12 connector. 

The 786A-M12-IS sensor is classifed for usage in Class I Division 1/Zone 0/1 locations where ignitable concentrations of flammable gases, vapors or liquids are present continuously under normal operating conditions.
Features
  • Class I, Div 1/Zone 0/1 certified
  • Comes with the industry popular M12 connector
  • Mounts in any orientation
  • Hermetically sealed
  • ESD-protected
  • Reverse wiring protection
  • Manufactured in an approved ISO 9001 facility

Specifications

Approvals & Certifications

  • ISO 9001

Approvals & Certifications

  • ATEX II 1 G Ex Ia IIC T4 Ga -50° C ≤ Ta ≤ 120° C
  • CE
  • CSA (C,US) Class I, Division 1, Grade A, B, C, D Class II, Division 1, Groups E, F, G Class III, Division 1, Class I, Zone 0, Ex Ia IIC T4 Class I, Zone 0, AEx Ia IIC T4 Tamb: -50° C to 120° C
  • IEC, IECEx

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%): 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

  • M6 Captive Screw

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 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, Maximum
  • Electromagnetic Sensitivity, Equivalent G, Maximum
  • Sensitivity, ± 5%, 25° C (77° F): 100 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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