Product Overview

The Bently Nevada 330876-01-90-00-00 3300 XL 50 mm Proximity Probe delivers highly stable non-contact vibration and displacement measurement for large rotating machinery operating in demanding industrial environments. Engineers deploy this probe across steam turbines, hydro generators, compressors, and critical process equipment where continuous shaft monitoring directly impacts operational safety and production continuity.

Its large-diameter sensing design improves signal strength in applications involving oversized shafts and extended monitoring distances. The probe maintains accurate dynamic response under vibration, thermal fluctuation, and oil contamination conditions commonly found in power generation and heavy process industries.

The 3300 XL architecture integrates seamlessly with Bently Nevada monitoring racks, TSI systems, and modern DCS platforms including Experion PKS and Ovation. The system enables fast fault detection, precise shaft position analysis, and early warning protection against mechanical failure, reducing unplanned downtime and maintenance exposure.

Probe Configuration Details

Model Breakdown — 330876-01-90-00-00

Mechanical & Electrical Specifications

Field Installation Practices

Maintain correct target gap voltage during commissioning to ensure optimal linear measurement performance. Engineers typically verify calibrated gap conditions through the associated Proximitor output before startup.

Avoid excessive cable tension and maintain a minimum bending radius greater than 75 mm to preserve long-term signal stability. Route probe extension cables separately from high-voltage motor conductors to minimize electromagnetic interference.

In hazardous industrial zones, apply certified explosion-proof conduit practices and ensure single-point grounding architecture throughout the vibration monitoring loop.

Operational Performance Benefits

The 3300 XL 50 mm probe operates reliably in high-moisture turbine halls, heavy vibration environments, and corrosive industrial atmospheres. Its large sensing surface improves shaft tracking consistency on slow-speed and oversized rotating assets.

The probe integrates directly with Bently Nevada 3500 monitoring systems and turbine supervisory instrumentation platforms without requiring additional signal conversion hardware. Operators gain faster alarm response, improved predictive maintenance visibility, and higher rotating equipment reliability across mission-critical operations.

Ordering Info

(1) Shipment includes one original Bently Nevada 330876-01-90-00-00 proximity probe

(2) Factory-sealed anti-static industrial packaging included

(3) Optional extension cables and Proximitor sensors available separately

(4) Calibration verification and export documentation available upon request

Global Logistics Support

Delivery time: 2-7 days when payment finish.

Worldwide shipment available through DHL, FedEx, and UPS international priority services. Each unit receives reinforced anti-static industrial packaging with moisture-protection treatment suitable for long-distance export transportation and heavy industrial storage conditions.

Application Support FAQs

Q1: What is the primary application of the 50 mm proximity probe?
A1: The probe monitors shaft vibration and displacement on large rotating equipment including hydro turbines, generators, and low-speed compressors.

Q2: What does the “90” suffix represent in this model?
A2: The “90” configuration identifies a 9.0 meter transducer system length.

Q3: Can this probe operate with Bently Nevada 3500 systems?
A3: Yes. The probe fully supports compatible 3300 XL Proximitor systems connected to Bently Nevada 3500 monitoring racks.

Q4: How should the probe cable be routed during installation?
A4: Engineers should isolate probe cables from high-voltage power wiring and maintain proper grounding to minimize signal interference.

Q5: What payment methods are accepted for international orders?
A5: Most industrial procurement orders support T/T bank transfer, PayPal, and major international commercial payment channels.