330104-04-09-50-02-05 Bently Nevada 3300 XL 8mm Proximity Probe Sensor

Engineering Overview: 3300 XL Proximity Sensing

The Bently Nevada 330104-04-09-50-02-05 represents the industry standard for non-contacting vibration and position measurement. Engineered for the 3300 XL series, this 8mm metric proximity probe delivers high-fidelity signal output in demanding industrial environments. Its robust construction ensures precise gap measurement for rotating machinery diagnostics.

Configuration Breakdown (330104-Axx-Bxx-Cxx-Dxx-Exx)

• A04: Unthreaded Length, 40 mm
• B09: Overall Case Length, 90 mm
• C50: Total Length, 5.0 meters (Designed for 5m Proximitor systems)
• D02: Miniature coaxial ClickLoc™ connector with standard cable
• E05: Agency Approvals: CSA, ATEX, IECEx

Technical Specifications for Field Integration

• Probe Tip Material: Polyphenylene sulfide (PPS)
• Case Material: AISI 303/304 Stainless Steel (M10x1 thread)
• Linear Range: 2 mm (80 mils), operating from 0.25 to 2.3 mm
• Nominal DC Resistance: 8.73 Ω ± 0.50 (for 5m length)
• Temperature Range: -52°C to +177°C (Standard)
• Installation Note: Recommended radial gap setting is -9 Vdc (~1.27 mm)

Global PLC Spare HUB's Insight

The 330104-04-09-50-02-05 is a mission-critical sensor. We frequently see field issues stemming from improper installation of the 5-meter cable length into non-matched sensors. Always verify your Proximitor is specifically tuned for the 5-meter load impedance to maintain linear accuracy. This probe is ideal for high-speed centrifugal pumps, compressors, and steam turbines where shaft displacement monitoring is essential for safety shutdowns.

Performance Comparison & Selection Advice

When selecting your sensor, consider the physical mounting envelope:

• 330104-04-09-50-02-05: Optimized for 40mm unthreaded requirements with 5m reach.
• 330104-00-18-10-02-05: Features different unthreaded/case lengths (0mm/180mm) and 1m length.

Technical Advice: If your machine housing prevents full sensor threading, prioritize the 330104-04-09-50-02-05 for its shorter unthreaded profile to ensure stable gap maintenance.

Service Commitment

• Warranty: 12-month professional quality assurance.
• Logistics: Secure, expedited shipping via FedEx, UPS, or DHL.
• Fulfillment: Rapid processing within 24–48 hours.

Expert FAQ & Selection Guide

Why is the 5-meter probe limited to 5-meter Proximitors?
The Proximitor circuitry is calibrated for specific cable capacitance. Using mismatched lengths will induce non-linear measurement errors.

What is the maximum field wiring distance?
You can extend up to 305 meters, but monitor the frequency response rolloff at high speeds.

Can I use this probe in pressure-sealed environments?
Yes, the Viton® O-ring seals differential pressure, though it is not factory-pressure tested; consult custom design for high-pressure certification.

What does the ClickLoc™ connector indicate?
It ensures positive locking and reliable signal shielding, preventing vibration-induced signal noise.

Selection Tip: How do I choose between standard and extended temperatures?
Choose the standard probe for most gearbox and pump applications. Reserve the Extended Temperature Range probes only for high-heat turbine casings exceeding 177°C.

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