• Bently Nevada 21747-040-00
  • Bently Nevada 21747-040-00
  • Bently Nevada 21747-040-00
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Bently Nevada 21747-040-00 Extension Cable

Bently Nevada 21747-040-00 Extension Cable

Description

The Bently Nevada 21747-040-00 is a 4-meter extension cable designed for use with Bently Nevada 7200 Series 5 mm and 8 mm Proximity Transducer Systems. This component provides the critical...

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Availability: In stock

SKU: 21747-040-00
Vendor: Bently Nevada
Category: Proximity Probe Extension Cable
Related Series:

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Description

The Bently Nevada 21747-040-00 is a 4-meter extension cable designed for use with Bently Nevada 7200 Series 5 mm and 8 mm Proximity Transducer Systems. This component provides the critical signal path between a proximity probe with an integral cable and the Proximitor Sensor. It facilitates the accurate transmission of displacement signals required for shaft vibration and axial position monitoring in industrial rotating machinery.

Features

  • 4.00 meter (157 inch) cable length
  • Non-armored configuration
  • Frequency response: 0 Hz (DC) to 10 kHz
  • Compatible with gap-to-voltage transducer systems
  • Supports measurement of both static and dynamic distances

Applications

This extension cable is utilized in monitoring systems for various rotating and reciprocating machinery, including:

  • Gas and steam turbines
  • Centrifugal and reciprocating compressors
  • Industrial pumps and centrifuges
  • Electric motors and large generators
  • Paper machine and steel mill rollers

Technical Specifications

Model 21747-040-00
Cable Length 4.00 meters (157 inches)
Armor Option Without armor
Operating Temperature -34 degC to +177 degC (-30 degF to +350 degF)
Power Requirements -17.5 Vdc to -26 Vdc at 12 mA
System Compatibility 7200 Series 5mm/8mm Proximity Transducer Systems

Installation Guidelines

  • Ensure the system is powered down before connecting or disconnecting the cable to prevent electrical surges or signal corruption.
  • Verify that the cable connectors are clean and free of debris before mating to ensure signal integrity.
  • Route cables away from high-EMI sources, such as high-voltage power lines or variable frequency drives, to minimize signal interference.
  • Perform a resistance check: Disconnect the cable from the Proximitor and measure the resistance between the center pin and the outer shell to verify circuit continuity.
  • Ensure proper ground isolation; the cable jacket should not have continuity with the machine ground to prevent ground loops.

FAQ

Which transducer systems is the 21747-040-00 compatible with?

The 21747-040-00 is specifically designed for the Bently Nevada 7200 Series 5 mm and 8 mm Proximity Transducer Systems.

Is this cable armored?

No, the 21747-040-00 is an unarmored cable. It is intended for environments where heavy mechanical protection is not required.

How do I verify the cable is functioning correctly?

Use a multimeter to check the resistance between the center pin and the outer shell. Compare the measured value against the manufacturer's specifications for a 4-meter cable to identify potential open circuits or shorts.