Product Overview

The Bently Nevada 330130-085-13-05 is a mission-critical component of the 3300 XL Proximity Transducer System, designed to bridge the gap between the proximity probe and the Proximitor sensor with absolute signal integrity. This standard extension cable ensures the precise transmission of eddy current signals, which are vital for monitoring radial vibration and axial position in high-speed rotating machinery. Engineered for the most demanding Turbine Supervisory Instrumentation (TSI) environments, it maintains the calibrated capacitance and inductance required for accurate 200 mV/mil scale factors. Whether integrated into a Bently Nevada 3500 rack or a DCS-based safety system, this cable provides the reliability needed for emergency shutdown (ESD) protocols and continuous asset health analytics in power plants and refineries.

Cable Architecture and Suffix Decoding

Precise Model Configuration

The part number 330130-085-13-05 identifies specific mechanical shielding and length parameters necessary for system calibration.

-085 (Cable Length)

Specifies an 8.5-meter (27.9 feet) cable length. When paired with a 0.5-meter probe, it completes a 9.0-meter electrical system, ensuring the Proximitor sensor operates within its linear design specifications.

-13 (Armor and Connector Option)

Indicates the presence of Fluorinated Ethylene Propylene (FEP) insulated cable without stainless steel armor, featuring a high-quality coaxial connector with a specialized brass protector. This configuration is optimized for routing through conduits where flexibility is prioritized over external crush resistance.

-05 (Agency Approval)

Designates multiple hazardous area certifications including ATEX, IECEx, and CSA. This allows for safe deployment in intrinsically safe installations where explosive gas or dust may be present.

Hardware Logistics Specifications

Field Routing and Deployment Guidelines

Bend Radius and Signal Protection

To prevent signal attenuation or internal dielectric failure, maintenance teams must maintain a minimum bend radius of 25.4 mm (1.0 inch). Avoid pulling the cable through sharp-edged junctions. The coaxial nature of the 330130 cable is sensitive to physical deformation, which can alter the system's impedance and lead to inaccurate vibration readings or "Not OK" status on the 3500 monitor.

Connector Environmental Sealing

Always utilize the provided connector protectors. In bearing housings or areas with high oil mist, we recommend applying self-fusing silicone tape or heat-shrink tubing over the connection between the probe and extension cable. This prevents moisture ingress from grounding the center conductor, which is the most frequent cause of signal drift in industrial environments.

System Integration Superiority

Seamless Integration with 3500 Racks

This extension cable functions as a transparent extension of the transducer circuit, delivering clean analog data to the Bently Nevada 3500/42M or 3500/45 modules. It ensures that the high-frequency eddy current signals remain undistorted, facilitating advanced spectral analysis and orbit plots within System 1 software or Honeywell Experion PKS platforms.

Resilience in Corrosive Environments

The FEP jacket provides exceptional resistance to synthetic lubricants, caustic chemicals, and intense thermal cycling. This longevity is critical for sensors mounted near steam seals or internal bearing cavities where traditional cables would degrade. Its intrinsically safe rating ensures that even in a fault condition, the cable will not provide sufficient energy to ignite a hazardous atmosphere.

Global Fulfillment and Delivery

We maintain a robust inventory to support your scheduled turnarounds and emergency machinery repairs.

• Dispatch Window: 3-5 days when payment finish for immediate stock availability.

• Logistics Network: Rapid door-to-door transit via DHL, FEDEX, or UPS.

• Industrial Standard Packaging: Each cable is shipped in specialized anti-static industrial packaging. We use reinforced vacuum-sealed bags and structural padding to ensure the coaxial connectors remain factory-calibrated and free from physical impact during international transit.

Machinery Instrumentation FAQ

Q1: Can I use this 8.5-meter cable with a 1.0-meter probe?

A1: Only if you are using a 9.5-meter Proximitor. Most systems are either 5.0m or 9.0m total length. If you use this with a 1.0m probe on a 9.0m system, you will have a 0.5m error, which significantly degrades the 200 mV/mil accuracy.

Q2: What is the benefit of the -13 connector option?

A2: The -13 option includes the brass connector protector. This prevents the delicate coaxial threads from stripping and provides a moisture barrier, ensuring long-term signal stability in oily bearing environments.

Q3: How do I test the cable for faults?

A3: Use a high-quality LCR meter to check for continuity on the center conductor and isolation between the center conductor and shield. Resistance should be low and stable; any "open" or "short" indicates the cable must be replaced.

Q4: Is this cable compatible with non-XL 3300 systems?

A4: While physically compatible, 3300 XL cables have different electrical properties than the older non-XL versions. We strongly recommend using only 3300 XL components together to ensure the system meets its published linearity specifications.