• Bently Nevada 84661-33
  • Bently Nevada 84661-33
  • Bently Nevada 84661-33
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Bently Nevada 84661-33 Velomitor Interconnect Cable

Bently Nevada 84661-33 Velomitor Interconnect Cable

The Bently Nevada 84661-33 is a high-performance, armored interconnect cable designed to maintain signal integrity for critical machinery protection systems. Engineered for durability in harsh industrial environments, this cable is...

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Availability: Low stock: 7 left

SKU: 84661-33
Vendor: Bently Nevada
Category: Vibration Sensor Cable
Related Series:

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Authenticity & Warranty

  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
  • Traceability: All products come with original factory documentation and accessories for full industrial compliance.

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  • Expert Assistance: Our technical team provides free consultation to help you verify compatibility for DCS and PLC systems.
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The Bently Nevada 84661-33 is a high-performance, armored interconnect cable designed to maintain signal integrity for critical machinery protection systems. Engineered for durability in harsh industrial environments, this cable is specifically optimized for connecting Velomitor piezoelectric velocity sensors to monitoring systems, such as the Bently Nevada 3500 series rack.

Features

  • Stainless Steel Armor: Provides a robust physical shield against mechanical impact, abrasion, and foot traffic.
  • Twisted Shielded Pair: Minimizes electromagnetic interference (EMI) to ensure clean, low-noise vibration data transmission.
  • Hermetically Sealed Connectors: Protects against moisture and environmental contaminants.
  • FEP Insulation: Offers superior resistance to extreme temperatures and chemical exposure, including industrial lubricants and oils.
  • Flexible Routing: Designed for ease of installation in complex machinery layouts.

Applications

  • Power Generation: Monitoring casing and strut vibration on gas and steam turbines.
  • Process Industry: Vibration data acquisition for centrifugal and reciprocating compressors.
  • Pumping Systems: Absolute bearing vibration monitoring for boiler feed and hot oil pumps.
  • Industrial Fans: Suitable for ID/FD and cooling tower fans operating in corrosive or outdoor environments.

Technical Specifications

Model 84661-33
Length 33 ft (10.06 m)
Cable Type Standard Armored Interconnect
Transducer Connector 3-socket female MIL-C-5015 style
Operating Temperature -29 degC to +121 degC (-20 degF to +250 degF)
Storage Temperature -55 degC to +150 degC
Wire Gauge 24 AWG
Impedance 50 Ohm +/- 10% (at 1 kHz)
Capacitance <= 100 pF/m (signal-to-shield)
Max Voltage 60 V DC (IEPE excitation)

Installation Guidelines

  • Bend Radius: Maintain a minimum static bend radius of 51 mm (2.0 in). For handling and installation, use a larger radius (up to 15x cable diameter) to prevent internal copper fatigue.
  • Routing: Whenever possible, route the cable through dedicated conduits to provide additional protection against physical damage and to further reduce EMI from high-voltage power lines.
  • Handling: Ensure the system is powered down before connecting or disconnecting the sensor cable to prevent electrical transients.

FAQ

What is the length of the 84661-33 cable?

The cable has a nominal length of 33 feet (10.06 meters).

What sensors is this cable compatible with?

This cable is primarily designed for use with Bently Nevada Velomitor sensors, including the 330750 and 330752 High-Temperature Velomitor models.

What is the primary purpose of the armor?

The stainless steel overbraid acts as a physical barrier to protect the internal signal conductors from accidental impact, crushing, and environmental wear in industrial settings.