Bently Nevada 2789-468 Extension Cable Technical Overview

The Bently Nevada 2789-468 unarmored extension cable provides critical signal transmission for machinery protection systems. Engineers rely on the 2789-468 model to connect proximity probes to proximity sensors with optimal electrical performance. You can view the pyramid structural framework below to quickly review the technical organization of this product data.

• Pyramid Structural Framework:
  • Core Executive Summary (Primary System Value)
    • Key Technical Parameters (Signal Integrity & Electrical Specs)
    • Environmental & Mechanical Durability (Field Resilience)
    • System Architecture & Part Number Breakdown (Tree Structure)
    • Installation Guidelines & Shipping Details
    • Engineering Frequently Asked Questions (FAQ)

Executive Summary

• This specialized extension cable maintains clean voltage signals between sensors and monitoring systems in industrial plants.
• The robust jacket protects internal conductors from chemical exposure and extreme temperature swings during continuous operation.
• Engineers specify this component to ensure accurate vibration readings across critical rotating machinery protection loops.

Technical Specifications

• Brand: Bently Nevada
• Model: 2789-468
• Measurement Range: 0 to 2.0 mm (0 to 80 mils) linear range depending on system pairing.
• Frequency Response: 0 Hz to 10 kHz flat frequency range for accurate vibration capturing.
• Sensitivity: 7.87 V/mm (200 mV/mil) scale factor when combined with matching proximitor.
• Linearity: Less than ±1% deviation across the complete calibrated physical measuring distance.
• Resolution: Sub-micron resolution capabilities to detect extremely minor dynamic shaft position movements.
• Temperature Range: -51°C to +177°C (-60°F to +351°F) continuous operating thermal range limits.
• Environmental Tolerance: Resistance against industrial lubricants, synthetic oils, high humidity, and aggressive solvents.
• Interference Resistance: Integrated braided shield suppresses electromagnetic interference and radio frequency field noise effectively.

Model Code Tree Structure

• 2789 Extension Cable System
  • ├── Armor Option: Standard unarmored flexible jacket design
    • └── Length Suffix (468): 468 inches total nominal length
      • └── Metric Equivalent: 11.89 meters total distance

Installation Guidelines

• Maintain minimum bend radiuses during routing to protect internal coax conductors from physical damage.
• Keep cable runs away from high voltage power lines to eliminate inductive cross-talk risk.
• Tighten threaded connectors securely using proper torque specifications to ensure stable long-term electrical contact.
• Seal exposed connector joints with silicone tape to block moisture ingress inside harsh plant environments.

Packing and Global Logistics

• Package Contents: One unit Bently Nevada 2789-468 standard unarmored physical signal extension cable.
• Protective Packaging: Anti-static sealed bag with custom foam padding inside outer heavy-duty cardboard boxes.
• Express Logistics Options: Fast international air shipment available via FedEx, UPS, or DHL services.

Frequently Asked Questions

• Question: What system does the manufacturer design this specific unarmored extension cable for?
• Answer: Bently Nevada produces this cable for precise connection between proximity probes and matching proximitor sensor units.
• Question: How does the total system cable length affect signal calibration accuracy?
• Answer: Correct total length matching guarantees precise impedance values and maintains factory linear voltage output accuracy.

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