Bently Nevada 330902-00-40-10-02-CN 3300 XL NSV Proximity Probe

The Bently Nevada 330902-00-40-10-02-CN is a NSV (Non-Standard Viton) Proximity Sensor within the 3300 XL series. This specific model is engineered for use with centrifugal air compressors, small pumps, and other machinery with tight internal clearances where standard sensors are too large.

Breakdown of the Part Number

Technical Performance

• Target Material: Optimized for AISI 4140 steel. Use with other materials (like 17-4 PH stainless) requires scale factor adjustment in the monitor.
• Linear Operating Range: $0.25 mm$ to $1.25 mm$ ($10 mils$ to $50 mils$).
• Incremental Scale Factor (ISF): $7.87 V/mm$ ($200 mV/mil$) $\pm 12.5\%$.
• System Compatibility: Must be used with a 3300 XL NSV Proximity Transducer System (Probe, Extension Cable, and Proximitor) for accurate vibration and thrust measurements.

Key Applications

• Radial Vibration: Monitoring shaft oscillation in high-speed, small-bore bearings.
• Axial Position: Tracking thrust position on small turbines or expanders.
• Restricted Access: The 1/4-28 UNF thread and NSV tip design allow for installation in locations where a standard 8mm probe tip is physically too wide.

Installation Note

Ensure the probe is used with a matching 3300 XL NSV Extension Cable. Using a standard 3300 XL cable will result in incorrect voltage readings due to impedance mismatching between the NSV probe tip and standard cabling.