Turbine & Rotating Machinery Vibration Monitoring Solution — Bently Nevada 330905-00-10-10-02-CN | 3300 NSv Series
Where This Product Is Used
The Bently Nevada 330905-00-10-10-02-CN is an eddy-current proximity probe from the 3300 NSv series, engineered for continuous, non-contact vibration and position measurement on rotating machinery. Typical deployment environments include:
- Steam & Gas Turbines — shaft radial vibration and eccentricity monitoring per API 670
- Centrifugal Compressors — rotor dynamic displacement measurement in oil & gas processing plants
- Pumps & Fans — bearing housing proximity sensing in power generation and water treatment facilities
- Gearboxes — gear mesh frequency and shaft orbit analysis in heavy industry
- Marine Propulsion Systems — shaft alignment and axial position monitoring
- Paper & Steel Mills — roll position and vibration surveillance on high-speed rotating rolls
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 330905-00-10-10-02-CN |
| Series | 3300 NSv (Non-Standard Voltage) |
| Sensing Technology | Eddy Current (Non-contact) |
| Probe Tip Diameter | 5 mm (0.197 in) |
| Cable Length | 1.0 m (3.28 ft) — integral armored cable |
| Extension Cable | Requires 3300 XL extension cable (sold separately) |
| Driver / Oscillator | Compatible with 3300 NSv Proximitor® Sensor |
| Linear Range | 0.25 mm – 2.54 mm (10 – 100 mil) |
| Scale Factor | 7.87 V/mm (200 mV/mil) nominal |
| Target Material | AISI 4140 steel (standard); other alloys require calibration |
| Operating Temperature | –35 °C to +177 °C (–31 °F to +350 °F) |
| Connector | CN-type (China regional connector standard) |
| Housing Material | Stainless steel body with PTFE-insulated cable |
| Weight | Approx. 80 g |
| Approvals | CE, ATEX (consult datasheet for zone classification) |
Why Engineers Specify This Model
- NSv Architecture — The 3300 NSv series uses a non-standard voltage output optimized for integration with Baker Hughes / Bently Nevada 3500 and 3300 rack systems, reducing signal conditioning complexity.
- 5 mm Tip for Tight Clearances — The compact probe tip fits bearing housings and journal bearing pedestals where larger 8 mm probes cannot be installed without machining.
- 1 m Integral Cable — Factory-terminated cable eliminates field-splice failure points, critical for continuous online monitoring in hazardous areas.
- CN Connector — Localized connector format simplifies installation and spare-parts management for China-based plants and OEM machine builders.
- API 670 Compliance — Drop-in compatible with API 670 machinery protection system designs, reducing engineering review time for new installations.
- Proven MTBF — Bently Nevada proximity probes are the global benchmark for rotating machinery protection, with decades of field data across petrochemical, power, and industrial applications.
Complete System Bill of Materials
A complete 3300 NSv proximity measurement chain requires the following components:
- Probe: 330905-00-10-10-02-CN (this item)
- Extension Cable: 330130-XX-XX (3300 XL series, length to suit installation)
- Proximitor® Sensor: 330180-X1-05 or equivalent 3300 NSv driver
- Monitor Rack: Bently Nevada 3500/40M or 3300/16 Proximitor Monitor
- Mounting Hardware: Probe holder, lock nut, and armored conduit (site-supplied)
Contact support@konmask.com for complete system quotations.
Compliance & Industry Standards
- API 670 — Machinery Protection Systems (5th Edition)
- ISO 10816 / ISO 20816 — Mechanical vibration evaluation of machines
- IEC 60079 — Equipment for explosive atmospheres (ATEX-rated variants)
- CE Marking — European conformity for electromagnetic compatibility
- GB/T Standards — Compliant with applicable Chinese national standards for industrial instrumentation
Quality Assurance & Sourcing
Konmask.com sources Bently Nevada 330905-00-10-10-02-CN probes through verified industrial distribution channels. Every unit offered is:
- Inspected for physical integrity and connector condition prior to listing
- Stored in ESD-safe, climate-controlled warehousing
- Shipped with original manufacturer packaging where available
- Traceable to batch documentation upon request
We do not sell counterfeit, refurbished-as-new, or unverified grey-market parts. If you require a Certificate of Conformance or third-party inspection report, please contact us before ordering.
How to Source This Part
- Add to Cart — Click “Buy Now” or “Add to Cart” for standard lead-time stock.
- Request a Quote — For quantities ≥ 5 units or project-based procurement, email support@konmask.com with your PO requirements.
- Expedited Sourcing — If the item shows as out of stock, contact us directly. We maintain relationships with multiple authorized distribution channels and can often source within 3–7 business days.
- System Integration Support — Need help specifying the full measurement chain? Our engineers can review your machine datasheet and recommend compatible Proximitor sensors, extension cables, and monitor cards.
Application-Specific FAQ
Q: Can this probe be used with a Bently Nevada 3500 rack?
A: Yes. The 330905-00-10-10-02-CN is compatible with 3500/40M and 3500/42M Proximitor Monitor cards when paired with the correct 3300 NSv Proximitor sensor. Verify the driver part number matches the NSv signal chain.
Q: What is the difference between the standard 330905 and the -02-CN suffix?
A: The “-02” designates the connector style, and “-CN” indicates the China-market regional connector format. Electrically and mechanically, the probe is equivalent to the global variant but uses a localized termination for easier regional sourcing and installation.
Q: Is this probe suitable for stainless steel shafts?
A: The standard calibration is optimized for AISI 4140 steel. For stainless steel (e.g., 316 SS) or other non-ferrous target materials, a material-specific calibration curve must be applied. Contact us for recalibration options.
Q: What is the maximum shaft speed this probe can monitor?
A: The 3300 NSv proximity probe system supports frequency response up to 10 kHz, making it suitable for machines operating up to approximately 600,000 RPM in vibration measurement mode. Consult the Bently Nevada datasheet for your specific application.
Q: Can I use this probe in a hazardous (Ex) area?
A: ATEX-rated configurations are available within the 3300 NSv product family. Verify the specific approval markings on the probe label and confirm compatibility with your area classification before installation.
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