Bently Nevada 330103-06-15-10-02-CN 3300 XL Proximity Probe

Description

Designed for critical machinery protection systems, the Bently Nevada 330103-06-15-10-02-CN proximity probe provides high-accuracy eddy current measurements of shaft vibration and position. As part of the 3300 XL 8mm Series, this metric-threaded probe utilizes an M10 x 1 thread casing configuration to securely mount into machine housings. This specific variant features a 60mm unthreaded length, a 150mm overall case length, and a 1.0-meter (3.3 feet) total cable length. Equipped with a miniature coaxial ClickLoc connector, the unit guarantees a stable, vibration-resistant connection to the extension cable while carrying country-specific agency approvals for specialized industrial environments.

Features

• M10 x 1 Threaded Case: Metric mechanical interface engineered for precise insertion depth and thread engagement.
• ClickLoc Miniature Coaxial Connector: Features a robust locking mechanism that prevents connection degradation in high-vibration environments.
• 8mm Tip Diameter: Optimized for standard linear range measurements up to 2.0 mm (80 mils) when paired with a matching proximitor.
• High-Temperature Resistance: Constructed with PPS (polyphenylene sulfide) tip material to withstand harsh lubrication environments.
• Integrated Fluid Seal: Built-in defense against moisture and process fluids migrating through the cable assembly.

Applications

• Radial Vibration Monitoring: Real-time dynamic tracking of high-speed shafts in steam and gas turbines.
• Axial Position Detection: Thrust bearing wear monitoring in critical centrifugal compressors and industrial pumps.
• Eccentricity & Phase Reference: Provides keyphasor signals for diagnostic tracking and rotational speed measurements.
• Heavy Industrial Environments: Deployed extensively across petrochemical facilities, power generation plants, and gas transmission stations.

Technical Specifications

Connections and Interfaces

Empirical Engineering Insights

Alternative Models & Compatibility

The total electrical length of the proximity system must always equal 5.0 or 9.0 meters. Since this probe is a 1.0-meter configuration (Option 10), it must be paired with a 4.0-meter extension cable for 5-meter systems, or an 8.0-meter extension cable for 9-meter systems. Mixing total system lengths will alter the impedance, causing significant calibration errors and invalidating the 200 mV/mil scale factor.

Application Pitfalls & Engineering Notes

When threading the M10 case, avoid over-torquing during installation. The maximum torque rating for M10 threads is 7.5 N-m (66 in-lb). Exceeding this limit risk shearing the case or damaging internal coil lead solder joints. Additionally, maintain a minimum radial clearance of 16 mm (0.63 in) around the probe tip to prevent adjacent metal from causing false target readings (side-viewing error).

Commissioning & Wiring Tips

Always verify the gap using a digital voltmeter measuring the Proximitor OUT terminal. At the target midpoint (typically 1.27 mm or 50 mils gap), the DC output voltage should register approximately -10.0 VDC. Ensure that ClickLoc connectors are insulated from ground using connector protectors or self-fusing silicone tape; grounding the coaxial coupling to the machine housing will introduce signal noise and trigger false machine trips.

Installation Guidelines