Rotating Machinery Vibration Monitoring Solution – Bently Nevada 330903-00-23-05-01-00 | 3300 XL Series
Where This Product Is Used
The Bently Nevada 330903-00-23-05-01-00 is an eddy-current proximity transducer system engineered for continuous, non-contact measurement of shaft radial vibration, axial position, and differential expansion in critical rotating machinery. Typical deployment environments include:
- Steam & Gas Turbines – Real-time shaft orbit and eccentricity monitoring to prevent catastrophic bearing failure
- Centrifugal Compressors – Radial vibration surveillance on high-speed impeller shafts in petrochemical and LNG plants
- Boiler Feed Pumps – Axial position tracking to detect thrust bearing wear in power generation facilities
- Gearboxes & Expanders – Differential expansion measurement during thermal transients in refinery operations
- Large Electric Motors (>500 kW) – Continuous condition monitoring integrated with DCS/PLC safety shutdown systems
Technical Specifications
| Part Number | 330903-00-23-05-01-00 |
| Series | Bently Nevada 3300 XL |
| Sensing Technology | Eddy Current (Non-contact) |
| Probe Tip Diameter | 8 mm (standard) |
| Cable Length | 5 m (extension cable included) |
| Linear Range | 0.25 mm – 2.25 mm (nominal gap) |
| Scale Factor | 7.87 V/mm (200 mV/mil) |
| Frequency Response | DC – 10,000 Hz |
| Supply Voltage | -24 VDC (nominal) |
| Output Signal | -2 VDC to -18 VDC |
| Temperature Range | -35°C to +177°C (probe); -35°C to +85°C (driver) |
| Ingress Protection | IP67 (probe body) |
| Connector Type | Integral coaxial, armored cable |
| Weight | Approx. 80 g |
| Compatible Monitor | Bently Nevada 3300/3500 Series Rack |
Why Engineers Specify This Model
- Drop-in OEM Replacement – Identical form, fit, and function to the original Bently Nevada factory part; no recalibration of the monitoring rack required
- Extended Temperature Probe – Rated to +177°C probe tip, suitable for hot-section turbine bearing pedestals without additional thermal isolation
- Armored Cable Construction – Stainless steel braid protects against mechanical damage and EMI in high-noise industrial environments
- Plug-and-Play with 3500 Rack – Fully compatible with Bently Nevada 3500/40M, 3500/42M, and 3500/45 monitor modules
- Traceable Calibration – Each unit ships with a calibration certificate traceable to NIST/ISO standards
Complete System Bill of Materials
The 330903-00-23-05-01-00 is a complete proximity transducer system comprising:
- 330903-00-23-05-01-00 Proximity Probe (8 mm, 5 m integral cable)
- 330130-080-00-00 Extension Cable (included, 8 m)
- 330180-X1-00 Proximitor® Driver/Oscillator
- Mounting hardware: locknut, jam nut, and probe guard
Note: Monitor rack (3500 series) and I/O module sold separately. Contact Konmask for complete system quotations.
Compliance & Industry Standards
- API 670 – Machinery Protection Systems (5th Edition)
- IEC 61511 – Functional Safety for SIS applications
- ISO 10816 / ISO 20816 – Mechanical vibration evaluation
- CE Marking – EMC Directive 2014/30/EU
- ATEX / IECEx – Intrinsically safe variants available on request
Quality Assurance & Sourcing
Konmask.com sources the Bently Nevada 330903-00-23-05-01-00 through verified industrial distribution channels. Every unit undergoes incoming inspection including:
- Visual and dimensional verification against OEM drawings
- Electrical continuity and insulation resistance test
- Scale factor verification at nominal gap (1.0 mm)
- Serialization and traceability documentation
We do not supply counterfeit, refurbished-as-new, or grey-market parts. Authenticity documentation available upon request.
How to Source This Part
- In-Stock Orders: Add to cart and check out online – ships within 2 business days
- Urgent / Shutdown Requirements: Contact us directly for expedited air freight options
- Bulk / Project Quotations: Email support@konmask.com with your BOM for volume pricing
- Technical Pre-Sales: Our engineers can verify compatibility with your existing 3300/3500 rack configuration
Application-Specific FAQ
Q: Is the 330903-00-23-05-01-00 compatible with the Bently Nevada 3500/42M monitor?
A: Yes. The 3300 XL 8 mm probe system is fully compatible with the 3500/42M Vibration Monitor module when configured for 200 mV/mil scale factor.
Q: Can this probe be used in a hazardous area (Zone 1 / Division 1)?
A: The standard part number is not ATEX-certified. For Zone 1 applications, please request the intrinsically safe variant or contact us for the appropriate part number.
Q: What is the maximum shaft runout this system can tolerate?
A: Per API 670, the combined electrical and mechanical runout should not exceed 25% of the alarm setpoint. Typical acceptable runout is <6 µm (0.25 mil) for precision-ground shafts.
Q: How do I verify the probe is correctly gapped?
A: Set the probe gap to achieve an output voltage of approximately -10 VDC (midpoint of the linear range) using a non-conductive feeler gauge or a calibrated gap-setting tool.
Q: Can Konmask supply the full 3300 XL system including the Proximitor driver?
A: Yes. We can supply the complete system (probe + extension cable + Proximitor driver) as a matched set. Contact us with your rack slot configuration.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
