Bently Nevada 330904-08-15-10-02-CN 3300 NSv Proximity Probe

Description

Engineered for tight clearance machinery environments, the Bently Nevada 330904-08-15-10-02-CN proximity probe operates within the 3300 NSv transducer system to provide high-precision eddy-current displacement and vibration tracking. This sensor features an M8 x 1 threaded case design equipped with robust stainless steel protective armor, specifically optimized for target diameters smaller than 9.5 mm (0.375 inches) where standard-sized probes cannot maintain linear voltage-to-distance response.

Features

• Optimized Target Geometry: Specifically engineered to monitor small shafts and tight target areas below 9.5 mm (0.375 in) without sacrificing signal linearity.
• Heavy-Duty Armor: Flexible stainless steel armor protects the coaxial cable from physical abrasion, hot oil exposure, and mechanical routing hazards.
• Miniature ClickLoc Connector: Low-attenuation coaxial connection featuring a robust locking design to prevent vibration-induced disconnects.
• Premium Fluid Resistance: High-performance fluoropolymer insulation prevents contamination ingress in harsh lubricating oil and chemical environments.
• Standardized Thread Fit: Direct installation into metric M8 x 1 threaded ports with an 80 mm unthreaded section for adjustable depth positioning.

Applications

• Radial vibration and axial position measurements on high-speed turbochargers.
• Fluid-film bearing clearance monitoring in compact industrial pumps and gearboxes.
• Shaft orbit analysis on small-scale steam and gas auxiliary turbines.
• Precision positioning feedback in high-frequency reciprocating machinery.

Ordering Suffix Configuration

Technical Specifications

Empirical Engineering Insights

Alternative Models & Compatibility

The 3300 NSv series is specifically optimized for small target parameters and must never be mixed with standard 3300 XL 8mm or 5mm Proximitor sensors. Doing so will completely distort the linear range scale factor (typically 7.87 V/mm), leading to false alarms or missed shutdown conditions. Ensure that the corresponding proximity sensor is clearly labeled as a 3300 NSv Proximitor.

Application Pitfalls & Engineering Notes

Because of the high magnetic flux concentration designed to measure narrow shafts, this probe is vulnerable to cross-talk if adjacent probes are mounted closer than 15 mm center-to-center. Additionally, maintain a minimum lateral target clearance of 3 times the probe tip diameter from any non-measured surrounding metal structure to prevent calibration shifts.

Commissioning & Wiring Tips

When mating the coaxial ClickLoc connectors, ensure the connection is bone dry. Even microscopic oil mist inside the coaxial connector will dramatically degrade high-frequency signals, showing up as false erratic vibration. Always apply self-fusing silicone connection tape around the completed joint to protect against oil mist penetration.

Installation Guidelines