Bently Nevada 330102-00-40-10-11-05 3300 XL 8 mm Proximity Probe with PPS Tip

Technical Specifications Breakdown

Key parameters for the 330102-00-40-10-11-05 are listed below for quick reference:

Industry Applications for the 3300 XL Probe

Turbine and Compressor Protection

In steam turbines and centrifugal compressors, shaft vibration must be measured accurately to prevent catastrophic failures. The 330102-00-40-10-11-05 provides a linear range of 2 mm (80 mils) with a recommended gap setting of -9 Vdc, enabling precise radial vibration monitoring. Its armored cable and connector protector reduce the risk of signal degradation in high-vibration environments.

Oil & Gas Pipeline Monitoring

Pumping stations handling volatile fluids require intrinsically safe instrumentation. With CSA, ATEX, and IECEx approvals, this probe can be installed in hazardous areas when used with appropriate zener barriers or galvanic isolators per drawing 141092, making it suitable for Zone 0 and Division 1 locations.

Power Generation Balance-of-Plant

Cooling tower fans and boiler feed pumps often operate in high-humidity conditions. The probe's PPS tip and stainless steel case resist corrosion, and its humidity performance (less than 3% change in ASF after 56 days at 93% humidity) ensures stable readings over time.

Installation and Setup Guidance

When installing the 3300 XL probe, ensure the thread engagement does not exceed 0.563 in for the 3/8-24 UNF thread. Use field wiring of 0.2 to 1.5 mm² (16 to 24 AWG) with a 3-conductor shielded triad cable. The maximum field wiring length between the probe and the 3300 XL Proximitor Sensor is 305 meters (1,000 feet). For optimal frequency response, refer to the signal roll-off graphs in Figures 10 and 12 when using longer cable runs.

Maintenance and Reliability

Regularly inspect the probe cable and connector for signs of wear or damage, especially in areas with high vibration or temperature cycling. The probe is designed to seal differential pressure between the tip and case using a Viton O-ring; however, it is not pressure tested prior to shipment. If your application requires pressure seal verification, contact the custom design department. Avoid exposing the probe to temperatures below -34°C (-30°F) to prevent premature failure of the pressure seal.

Solving Vibration Monitoring Challenges in Critical Rotating Machinery

The engineering team needed a robust solution that could withstand high temperatures, resist cable damage, and provide reliable gap voltage data for predictive maintenance. The Bently Nevada 330102-00-40-10-11-05, a 3300 XL 8 mm proximity probe with armored construction and PPS tip, was selected to replace the unreliable units.

Compatibility and Integration

This probe is part of the Bently Nevada 3300 XL series and is compatible with 3300 XL Proximitor Sensors and monitoring systems. The miniature coaxial ClickLoc connector with connector protector ensures a secure connection in tight spaces. The FluidLoc cable provides additional protection against moisture ingress. For hazardous area installations, follow the intrinsic safety wiring diagrams (drawing 141092 for zener barriers or galvanic isolators; drawing 140979 for non-incendive circuits).

Selection Guide and Purchasing Advice

When selecting a replacement or new probe, verify the total length, thread type, and connector option match your existing system. The 330102-00-40-10-11-05 is a standard probe with a 1.0 m cable and armored construction. For extended temperature ranges up to +218°C (+425°F) at the tip, consider the optional extended temperature range probe. AutoDCSTech stocks genuine Bently Nevada parts and can assist with lifecycle status and availability. Please verify current lifecycle status and availability with AutoDCSTech before ordering.