Model 786-500-IS Low-Frequency Intrinsically Safe Accelerometer

Brand: Wilcoxon Sensing Technologies
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Wilcoxon’s intrinsically safe 786-500-IS sensor is certified for usage in hazardous areas and 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 high-speed vibrations and is optimized for detecting vibration on slow turning machinery such as cooling tower fans and slow-speed gearboxes. 

The 786-500-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
  • High sensitivity
  • Extended low frequency response
  • Clear signals at low vibration levels
  • Class I, Div 1/Zone 0/1 certified
  • Hermetically sealed
  • ESD protected
  • Reverse wiring protection
  • Manufactured in an approved ISO 9001 facility
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main_WIL_Model_786-500-IS_Low-Frequency_Intrinsically_Safe_Accelerometer.png
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Wilcoxon’s intrinsically safe 786-500-IS sensor is certified for usage in hazardous areas and 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 high-speed vibrations and is optimized for detecting vibration on slow turning machinery such as cooling tower fans and slow-speed gearboxes. 

The 786-500-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
  • High sensitivity
  • Extended low frequency response
  • Clear signals at low vibration levels
  • Class I, Div 1/Zone 0/1 certified
  • Hermetically sealed
  • ESD protected
  • Reverse wiring protection
  • Manufactured in an approved ISO 9001 facility
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Displaying prices & availability for United States in USD. Change location or currency.

4 models matching criteria
787AM8
WILCOXON Intrinsically Safe Accelerometer, 18-30 VDC, -55° to +120° C, 316L SST
Out of Stock
$469.80USD
$8.22 Shipping
786A-IS
WILCOXON Intrinsically Safe Accelerometer, 18-28 VDC, -55° to +120° C, 316L SST
1 - 3 weeks
$509.29USD
$8.22 Shipping
786-500-IS
WILCOXON Intrinsically Safe Accelerometer, 18-30 VDC, -50° to +120° C, 316L SST
1 - 3 weeks
$543.02USD
$8.22 Shipping
IT301
WILCOXON User-configurable Intelligent Vibration Transmitter, Modbus, 11-32 VDC, NC/NO
1 - 3 weeks
$1,420.09USD
$8.22 Shipping
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Specifications

Brand

Approvals & Certifications

  • ATEX Ex Ia IIC T4 Ga
  • CE
  • CSA (C,US) Class I, Division 1, Grade A, B, C, D Class I, Division 1, Groups E, F, G Class III, Division 1, Class I, Zone 0 AEx, Ex Ia IIC T4
  • IECEx

Approvals & Certifications

  • ISO 9001

Circuit Protection

  • ESD Protection
  • Reverse Wiring Protection

Electrical Connectors

  • Cable (J10 / J9T2A, < 100 feet)
  • Mating Connector: R6 Typical

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 Captive Hex Head Screw, 0.046” Diameter Safety Wire Hole

Noise

  • Electrical Noise, Equivalent G, Nominal (Broadband: 2.5 Hz to 25 kHz): 250 µg
  • Electrical Noise, Equivalent G, Nominal (Spectral: 10 Hz): 2.5 µg/√Hz
  • Electrical Noise, Equivalent G, Nominal (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, Nominal: 12 Vdc
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