Description

Serving as a critical high-frequency transmission link within proximity transducer systems, the Bently Nevada 330130-080-12-CN transfers precise eddy-current displacement signals from the probe to the proximitor sensor without impedance mismatches. This heavy-duty cable is engineered for the 3300 XL 8mm proximity transducer system, delivering exceptional mechanical protection and electrical stability in high-vibration machinery environments. Incorporating FluidLoc technology alongside integrated connector protectors, this 8.0-meter coaxial cable prevents moisture ingress and oil wicking to ensure uninterrupted machinery protection and accurate thrust, radial vibration, and speed measurements.

Key Features

• FluidLoc Coaxial Design: Patented construction prevents oil, water, or process fluids from wicking through the interior of the cable.
• Connector Protectors (Option 12): Pre-installed protective boots shield the delicate coaxial interfaces from environmental contamination and physical stress.
• Impedance Matching: Maintains a strict 75-ohm system impedance to eliminate signal reflections and transmission line loss.
• Robust Fluoropolymer Outer Jacket: Provides superior resistance to corrosive chemicals, petroleum solvents, and mechanical abrasion.

Applications

• Steam, gas, and hydro turbine shaft vibration monitoring.
• High-speed centrifugal compressor axial thrust position tracking.
• Boiler feed pump shaft alignment and bearing health diagnostics.
• Critical cooling tower fan drive shafts in petrochemical plants.

Technical Specifications

Empirical Engineering Insights

Alternative Models & Compatibility

The 330130-080-12-CN 8.0-meter extension cable is specifically configured to pair with a 1.0-meter proximity probe to achieve the exact 9.0-meter physical and electrical system length required by standard 9-meter 3300 XL Proximitor Sensors. Using this cable with a 0.5-meter probe or mixing it with 5-meter calibrated sensors will result in severe measurement non-linearity and scale-factor errors.

Application Pitfalls & Engineering Notes

When routing through conduit, do not exceed the minimum bend radius of 25.4 mm (1.0 inch) for standard runs, or 76.2 mm (3.0 inches) under high tension. FluidLoc technology prevents fluid migration through the internal shield gaps, but it does not protect against outer jacket degradation if the cable is submerged in incompatible concentrated chemical solvents for extended periods.

Commissioning & Wiring Tips

Always clean the coaxial mating surfaces with a residue-free solvent before joining the connectors. The connector protectors must be installed and locked into place to establish a tight environmental seal. Ensure that any excess cable is loosely coiled and secured with non-constricting cable ties to prevent mechanical wear and high-frequency signal attenuation caused by sharp crimps.

Installation Guidelines

1. 1 Verify that the combined length of your chosen probe and this 8.0-meter extension cable matches the calibration specifications on the Proximitor Sensor (typically 9.0 meters total).
2. 2 Join the coaxial connectors together firmly, ensuring they click into place. Do not use pliers or excessive force, which can distort the center pin.
3. 3 Slide the integrated connector protectors over the connection junction and seal them to shield the interfaces from cutting oils, water, and debris.
4. 4 Secure the cable using insulated mounting clips or flexible conduits to prevent the cable from whipping or rubbing against vibrating machinery structures.