The Bently Nevada 330130-030-01-CN serves as the primary 330130 Extension Cable utilized to execute high-frequency RF signal transmission across 3300 XL Series platforms. Operating as a low-attenuation, matched-impedance coaxial component within a non-contacting eddy-current transducer loop, this hardware establishes structural and electrical continuity between a 3300 XL 8mm proximity probe tip and an external Proximitor Sensor, allowing high-fidelity translation of dynamic rotor displacement metrics back to the machinery monitoring framework.

Option Suffix Structural Breakdown

The alphanumeric option suffixes assigned to the base part number dictate the specialized length, structural protective reinforcement, and regional regulatory compliance configuration of the assembly:

• 330130: Base model registration for the 3300 XL 8mm low-capacitance coaxial extension cable.

• 030: Cable Length option. Standardizes an absolute nominal physical length of 3.0 meters (9.8 feet).

• 01: Armor and Cable option. Specifies a standard coaxial cable configuration provided with a flexible, protective stainless steel braided armor sleeve.

• CN: Agency Approval option. Designates regional certification compliance for installation within specialized localized industrial zones requiring strict conformance to hazardous area electrical safety standards.

Mechanical and Electrical Parameters

Eddy-Current Probe Scaling and Cross-Talk Suppression

The capacitive and inductive electrical profiles of the 330130-030-01-CN cable assembly are matched to precise eddy-current probe scaling matrices. Variations in the physical length or localized dielectric properties skew the loop impedance parameters, which compromises field gap voltage validation routines targeting a precise -10 VDC baseline at the monitoring center. To maintain data fidelity across high-speed rotor dynamics monitoring, the continuous stainless steel braided armor layer provides integrated cross-talk suppression, shielding the micro-volt sensor loops from electromagnetic field interference caused by adjacent heavy machinery.

Package Component Manifest

• 1 Bently Nevada 330130-030-01-CN Armored Extension Cable.

• 1 Removable high-density silicone ClickLoc connection protection boot.

Field Deployment and Routing Instructions

Physical Layout Limits

• Enforce a strict minimum physical bend radius of 25.4 mm (1.0 inch) along all segments of the armored coaxial run to prevent internal structural fracturing.

• Secure the external stainless steel braided armor sleeve to rigid structural components at 300 mm intervals to isolate the line from high-vibration physical wear.

• Maintain clear physical separation between sensor routing tracks and high-voltage AC electric power lines by using dedicated grounded metal conduits.

ClickLoc Interface Engagement

• Inspect internal mating surfaces of the ClickLoc connectors to confirm they are completely dry and free of particulate debris.

• Align the male and female terminal joints along a linear axis and push together firmly until the internal mechanical detent locks into position.

• Slide the silicone connector protector completely over the mated junction to block external environmental oil or moisture ingress.

Transducer System Engineering FAQ

• Can this 3.0-meter extension cable be combined with a 1.0-meter proximity probe?

  Yes. This setup creates a 4.0-meter total loop length, which must be paired exclusively with a matching 4.0-meter 3300 XL Proximitor module to maintain proper calibration.

• What happens to the monitor reading if the internal FEP insulation layer is crushed?

  Crushing modifies the internal core-to-shield spacing, altering the pre-calibrated scale factor of 7.87 V/mm and introducing measurement errors.

• Where should the electrical shield layer of this extension cable be grounded?

  The shield must remain isolated from the machine structure frame and terminate to earth ground solely at the Proximitor Sensor terminal chassis block.

• What fault state is indicated during an open-circuit failure inside the coaxial core?

  The companion 3500 series monitor rack reports a "Not OK" status fault and clamps the transducer channel output to its maximum negative voltage rail limit.

• Can field technicians cut and re-terminate this cable to eliminate physical slack?

  No. Cutting shifts the absolute line impedance, which invalidates the pre-calibrated scale factor and corrupts the signal.

• How does oil contamination inside the ClickLoc connection affect loop behavior?

  Oil shifts the baseline gap voltage validation target away from the nominal -10 VDC point, causing false drift or vibration alarms.

• Is the FEP insulation jacket resilient against continuous exposure to ammonia or steam?

  Yes. The fluoropolymer formulation provides robust chemical resistance against corrosive gases, steam, and synthetic lubricants.

• Can this passive cable component be hot-swapped while the machinery monitor is powered?

  Yes. The passive sensor lead can be safely decoupled from the probe tail while the primary monitor chassis remains active.