Bently Nevada 330103-00-07-10-01-CN 3300 XL 8 mm Proximity Probe

Description

Optimized for industrial vibration monitoring and shaft position sensing, the Bently Nevada 330103-00-07-10-01-CN eddy current sensor is a precision engineered element of the 3300 XL 8 mm Proximity Transducer System. This robust transducer translates the physical distance between its probe tip and a target conductive surface into an electrical signal, enabling real-time monitoring of fluid-film bearing clearance, radial shaft vibration, and thrust displacement in critical rotating machinery. Designed with an M10 x 1 metric thread and a fully unarmored cable jacket, this model ensures high reliability under continuous operation in harsh industrial environments.

Features

• M10 x 1 Threaded Body: Standard metric mounting configuration for secure installation within probe sleeves or brackets.
• Unarmored Cable Design: Highly flexible 1.0-meter standard coaxial cable without outer stainless steel armor, facilitating routing through tight conduits.
• ClickLoc Connector System: Miniature coaxial ClickLoc connector minimizes signal loss and incorporates an integrated connector protector to exclude moisture and contaminants.
• Comprehensive Safety Certifications: Built with the CN option code, certifying compliance with ATEX, IECEx, and Chinese NEPSI requirements for hazardous and explosive atmospheres.
• Interchangeable Calibration: Built to meet strict Bently Nevada performance specifications, ensuring seamless compatibility with 3300 XL Proximitor sensors without recalibration.

Applications

• Steam & Gas Turbines: Monitoring shaft radial vibration and axial thrust movements to prevent catastrophic blade-to-stator contact.
• Centrifugal Compressors: Tracking high-speed rotor dynamics and bearing wear characteristics under varying load conditions.
• High-Speed Pumps: Providing critical displacement feedback for continuous machine protection and predictive maintenance systems.
• Keyphasor Reference: Capturing once-per-revolution phase and speed measurements on rotating shafts for dynamic balancing.

Technical Specifications

Empirical Engineering Insights

Alternative Models & Compatibility

This probe must be matched with a Proximitor sensor configured for a 1.0-meter system length when using standard 3300 XL extension cables. If replacing older, non-XL 3300 series probes, ensure that both the extension cable and the Proximitor sensor are upgraded simultaneously to maintain accurate calibration curves and prevent signal attenuation.

Application Pitfalls & Engineering Notes

Because this probe does not feature a stainless steel armored sleeve, routing through high-vibration areas inside or outside the machine casing requires structured conduit paths. Avoid running the unarmored coaxial cable in parallel close to high-voltage phase lines or motor supply cables to prevent electromagnetic coupling and high-frequency noise interference from skewing the proximity readout.

Commissioning & Wiring Tips

Always clean the ClickLoc connector with a quick-drying solvent cleaner before installation. Ensure the protective connector sleeve is fully pushed into position to seal out machine oil, moisture, and fine metal dust, which can cause grounding faults and compromise low-amplitude signal integrity.

Installation Guidelines