Bently Nevada 330904-00-25-50-02-00 Proximity Probe – 3300 NSv Series Eddy Current Sensor
When a critical rotating machine — a gas turbine, steam turbine, or high-speed compressor — loses its vibration monitoring capability, the consequences are immediate and severe. Without a functioning proximity probe, operators are blind to shaft displacement, radial vibration, and thrust position changes. Undetected imbalance or misalignment can escalate within seconds into catastrophic bearing failure, rotor rub, or full machine trip, costing hundreds of thousands of dollars in unplanned downtime and repair. The Bently Nevada 330904-00-25-50-02-00 proximity probe is the precision sensing element that keeps that scenario from ever happening.
The 330904-00-25-50-02-00 belongs to Bently Nevada’s industry-defining 3300 NSv (Non-contacting Vibration) Series — the global benchmark for eddy current proximity sensing in turbomachinery protection systems. Engineered to work seamlessly with 3300 XL extension cables and 3300 series proximitors/oscillators, this probe delivers the measurement accuracy and long-term reliability demanded by API 670-compliant machinery protection systems across oil & gas, power generation, petrochemical, and heavy industrial sectors worldwide.
Technical Specifications
- Part Number / SKU: 330904-00-25-50-02-00
- Brand: Bently Nevada (Baker Hughes)
- Series: 3300 NSv Proximity System
- Sensor Type: Eddy Current Non-contacting Proximity Probe
- Probe Length: 25 mm (per part number configuration)
- Cable Length: 5.0 m (per part number configuration)
- Thread Size: 8 mm
- Connector Type: 02 series (per part number suffix)
- Target Material Compatibility: Steel / Iron (standard)
- Operating Temperature: -35°C to +177°C (probe body)
- System Compliance: API 670, CE
- Weight: 620 g (including cable)
Note: All specifications are based on published Bently Nevada documentation. Konmask.com does not fabricate or alter manufacturer specifications.
Key Features & Benefits
- Non-contacting measurement — zero mechanical wear, continuous operation without maintenance intervals
- High-frequency response — accurately captures shaft vibration, eccentricity, and axial position at high RPM
- API 670 compliant — meets the international standard for machinery protection systems in critical rotating equipment
- Plug-and-play compatibility — direct replacement for existing 3300 NSv installations; no recalibration of the full loop required when replacing like-for-like
- Robust construction — stainless steel housing rated for harsh industrial environments including high temperature, vibration, and chemical exposure
- Long cable configuration — 5 m integral cable reduces field splicing points and improves signal integrity
- Proven global installed base — 3300 series probes are deployed on tens of thousands of machines across six continents
Industry & Equipment Applications
- Oil & Gas: Gas turbine compressors, centrifugal pumps, pipeline compressor stations
- Power Generation: Steam turbines, gas turbines, hydro generators
- Petrochemical & Refining: Reactor feed pumps, cracked gas compressors, expanders
- Marine & Offshore: Propulsion turbines, LNG compressors
- General Industry: High-speed blowers, fans, gearboxes requiring continuous vibration monitoring
System Integration & Compatible Parts
The 330904-00-25-50-02-00 probe is designed for use within the complete Bently Nevada 3300 NSv Proximity System. Typical system components include:
- Extension Cables: 3300 XL series (e.g., 330130-045-00-00)
- Proximitor / Oscillator: 3300 XL 8mm Proximitor (e.g., 330180-X1-05)
- Monitoring Rack: Bently Nevada 3500 Series Machinery Protection System
- Junction Boxes: 3300 series field junction boxes for multi-probe installations
Contact Konmask.com to verify full system compatibility for your specific machine train configuration.
Our Quality Assurance Process
- Every unit sourced from authorized distributors or verified surplus channels with full traceability
- Visual inspection and packaging integrity check upon receipt
- Part number and label verification against manufacturer documentation
- Secure anti-static packaging for shipment to prevent ESD damage
- Certificate of conformance available upon request
How to Order
- Submit an inquiry via the Contact Us form or email [email protected]
- Provide your required quantity, delivery timeline, and destination country
- Receive a formal quotation within 1 business day
- Confirm order and arrange payment via T/T, L/C, or agreed terms
- Shipment with full documentation (packing list, commercial invoice, CoC)
Why Choose Konmask.com?
- Industrial automation specialists — focused exclusively on PLC, DCS, and condition monitoring components
- Global sourcing network — access to both new and certified surplus Bently Nevada inventory
- Fast response — quotations within 24 hours, emergency stock inquiries prioritized
- B2B expertise — experienced in export documentation, customs compliance, and international logistics
- Technical support — engineering team available to assist with system compatibility and installation queries
Frequently Asked Questions
- Q: Is the 330904-00-25-50-02-00 a new or refurbished part?
- A: Konmask.com supplies both new-in-box and certified surplus units. Stock availability and condition are confirmed at the time of inquiry.
- Q: Can this probe replace my existing 3300 NSv probe without recalibrating the full loop?
- A: Yes — when replacing with an identical part number (same probe, same extension cable, same proximitor), the system scale factor remains unchanged and full loop recalibration is generally not required. Always verify with your site instrumentation engineer.
- Q: What is the lead time for this part?
- A: Lead time depends on current stock. Please submit an inquiry for a real-time availability check. Emergency orders are handled with priority.
- Q: Do you provide export documentation for international shipments?
- A: Yes. We provide commercial invoice, packing list, certificate of conformance, and can assist with country-of-origin documentation as required.
- Q: Is this part compatible with the Bently Nevada 3500 monitoring rack?
- A: Yes. The 3300 NSv probe system is the standard input sensor for Bently Nevada 3500 series machinery protection monitors when used with the appropriate proximitor and extension cable.
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