Turbine & Rotating Machinery Vibration Monitoring Solution — Bently Nevada 330903-00-14-10-02-05/CN | 3300 NSv Series
Where This Product Is Used
The Bently Nevada 330903-00-14-10-02-05/CN is an eddy-current proximity probe engineered for continuous, non-contact vibration and position measurement on high-speed rotating machinery. Typical deployment environments include:
- Steam & Gas Turbines — shaft radial vibration and axial position monitoring per API 670
- Centrifugal & Axial Compressors — real-time rotor orbit analysis in petrochemical and LNG plants
- Pumps & Fans — bearing journal displacement in power generation and water treatment facilities
- Gearboxes — gear mesh frequency and shaft eccentricity detection
- Marine Propulsion Systems — shaft alignment verification and thrust position monitoring
- Paper & Steel Mills — roll position and differential expansion measurement
Technical Specifications
| Part Number | 330903-00-14-10-02-05/CN |
| Series | 3300 NSv (Non-Standard Voltage) |
| Probe Type | Eddy-Current (Non-Contact) Proximity Probe |
| Tip Diameter | 14 mm (0.55 in) |
| Cable Length | 1.0 m (standard extension cable required) |
| Thread | M10 × 1.0 |
| Linear Range | 0.25 – 2.54 mm (10 – 100 mil) |
| Scale Factor | 7.87 V/mm (200 mV/mil) |
| Frequency Response | DC – 10,000 Hz |
| Operating Temperature | −35 °C to +177 °C |
| Target Material | AISI 4140 steel (standard); other alloys with calibration |
| Connector | Integral coaxial, compatible with 3300 XL driver/extension |
| Approvals | CE, ATEX (Ex ia IIC T6), FM Intrinsically Safe |
Why Engineers Specify This Model
- NSv Voltage Output — Non-standard voltage output optimized for direct interface with legacy 3300 series monitors without signal conditioning adapters
- 14 mm Tip — Wider sensing field reduces sensitivity to surface finish variations on worn journal bearings
- /CN Suffix — Certified for China market compliance; meets GB/T and SH/T industry standards for petrochemical installations
- High-Temperature Stability — Epoxy-sealed tip maintains calibration accuracy up to 177 °C, suitable for hot-section turbine bearing pedestals
- Drop-in Replacement — Mechanically and electrically interchangeable with existing 330903 series installations; zero re-wiring required
Complete System Bill of Materials
A complete 3300 NSv proximity measurement loop requires the following components:
- Proximity Probe: 330903-00-14-10-02-05/CN (this item)
- Extension Cable: 330130-080-00-00 (8 m) or 330130-050-00-00 (5 m)
- Driver / Proximitor: 330180-X1-05 (3300 NSv Proximitor)
- Monitor Module: 3300/16 or 3500/42M (radial vibration monitor)
- Mounting Hardware: 02-262783-01 (M10 probe holder, stainless steel)
Contact us to source the complete loop as a verified kit.
Compliance & Industry Standards
- API 670 — Machinery Protection Systems (5th Edition)
- IEC 61511 — Functional Safety for Process Industry
- ATEX Directive 2014/34/EU — Ex ia IIC T6 Ga
- GB 3836 — Chinese Explosion-proof Equipment Standard
- ISO 10816 / ISO 20816 — Mechanical Vibration Evaluation
- SH/T 3082 — Petrochemical Rotating Machinery Instrumentation
Quality Assurance & Sourcing
Every unit supplied by Konmask.com undergoes the following verification process before shipment:
- Visual inspection against OEM cosmetic and labeling standards
- Impedance and sensitivity bench-test using calibrated 3300 NSv driver
- Traceability documentation: lot number, date code, and calibration record provided on request
- Sourced from authorized distributors and verified surplus channels; no counterfeit-risk gray-market supply
- Packed in anti-static, moisture-barrier packaging with foam probe-tip protection
How to Source This Part
- Add to Cart — Click “Buy Now” for immediate checkout
- Request a Quote — Email support@konmask.com for volume pricing (>5 units) or loop-kit bundles
- Lead Time — In-stock units ship within 1–3 business days; EXW Xiamen, China
- Export — We handle export documentation (CO, packing list, commercial invoice) for international buyers
- Technical Support — Pre-sale application engineering available via WhatsApp/WeChat: +0086 19859288691
Application-Specific FAQ
Q: Can this probe be used with a 3500 series monitor?
A: Yes, with the appropriate 3300 NSv Proximitor (330180 series) as the signal conditioner. The 3500/42M monitor accepts the ±24 VDC Proximitor output directly.
Q: What is the difference between the /CN suffix and the standard version?
A: The /CN suffix denotes China-market certification and labeling compliance (GB 3836, CNEX). Electrically and mechanically identical to the non-suffixed variant.
Q: Is this probe suitable for non-ferrous targets (e.g., titanium impellers)?
A: The standard calibration is for AISI 4140 steel. For titanium, Inconel, or other alloys, a target-material correction factor must be applied. Contact us for application-specific calibration data.
Q: What is the maximum shaft speed this probe can monitor?
A: The 10,000 Hz frequency response supports shaft speeds up to 600,000 RPM for 1× vibration detection, well beyond typical industrial turbomachinery requirements.
Q: Do you provide ATEX certificates with the shipment?
A: Yes. ATEX and CNEX certificates are included in the shipment documentation package upon request.
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Contact: support@konmask.com | +0086 19859288691






