Bently Nevada 330903-00-09-10-01-CN — 8mm Eddy Current Proximity Probe | 3300 NSv Platform
The Bently Nevada 330903-00-09-10-01-CN is a factory-configured 8 mm eddy current proximity probe engineered for the 3300 NSv Proximity Transducer System. Designed to meet the exacting demands of continuous turbomachinery health monitoring, this probe delivers sub-micron displacement resolution and long-term signal stability in harsh industrial environments. It is the preferred choice of rotating-equipment engineers in power generation, oil & gas, petrochemical, and heavy industrial facilities worldwide.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 330903-00-09-10-01-CN |
| Platform | Bently Nevada 3300 NSv Proximity Transducer System |
| Probe Tip Diameter | 8 mm |
| Sensing Technology | Eddy Current (Non-contact) |
| Cable Length | 0.9 m (standard; extension cable required for full system) |
| Extension Cable | 3300 XL series (sold separately) |
| Driver / Oscillator | 3300 NSv Driver (sold separately) |
| Linear Range | 0.25 mm – 2.25 mm (10 mil – 90 mil) |
| Scale Factor | 7.87 V/mm (200 mV/mil) nominal |
| Frequency Response | DC – 10,000 Hz (–3 dB) |
| Operating Temperature | –35 °C to +177 °C (probe tip) |
| Target Material | AISI 4140 steel (standard); other alloys require calibration verification |
| Connector | Coaxial, reverse-polarity SMA compatible |
| Approvals | CE, CSA, FM (Intrinsically Safe options available) |
| Country of Origin | USA / CN variant |
| Weight | ~40 g |
Proven Application Environments
- Steam & Gas Turbines — Shaft radial vibration and axial position monitoring per API 670
- Centrifugal Compressors — Continuous rotor orbit and eccentricity measurement
- Pumps & Fans — Bearing journal displacement trending and alarm setpoint management
- Gearboxes — Gear mesh frequency analysis and runout compensation
- Electric Motors (>500 kW) — Air-gap monitoring and rotor dynamic balancing
- Hydro Turbines — Thrust bearing axial position and guide bearing radial vibration
Engineering Advantages
- Non-contact measurement — Zero mechanical wear; suitable for continuous 24/7 operation
- High bandwidth (DC–10 kHz) — Captures sub-synchronous, synchronous, and super-synchronous vibration components
- Temperature-compensated electronics — Maintains calibration accuracy across the full operating temperature range
- API 670 compliant system — Meets international machinery protection standard when paired with 3300 NSv driver and monitor
- Plug-and-play 3300 NSv compatibility — Direct replacement for existing 3300 NSv installations; no recalibration of the driver required
- Robust coaxial connector — Resists vibration-induced loosening; IP67-rated cable assembly
System Architecture & Signal Flow
The 330903-00-09-10-01-CN operates as the sensing element in a three-component eddy current transducer system:
- Proximity Probe (330903-00-09-10-01-CN) — Generates the high-frequency electromagnetic field and senses target displacement.
- Extension Cable (3300 XL series) — Transmits the RF signal from the probe to the driver/oscillator with minimal loss.
- Driver / Oscillator (3300 NSv) — Conditions the signal and outputs a DC voltage proportional to the gap distance (–24 VDC supply required).
Note: The probe, extension cable, and driver must be purchased and calibrated as a matched set. Mixing components from different series will invalidate the scale factor and may trigger false alarms.
Sourcing & Quality Verification
- All units sourced through authorized industrial distribution channels or verified surplus with full traceability documentation.
- Each probe is inspected for physical integrity, connector condition, and cable continuity prior to shipment.
- Calibration certificates and original Bently Nevada packaging provided where available.
- Counterfeit-risk mitigation: serial number and date-code verification performed on every unit.
- Konmask.com maintains a zero-tolerance policy on non-genuine components — all listings are clearly marked as OEM, surplus, or refurbished.
Procurement Process
- Confirm compatibility — Verify your existing extension cable and driver are 3300 NSv series.
- Place order — Add to cart and complete checkout; HKD pricing displayed at checkout.
- Lead time — In-stock units ship within 1–3 business days; ETA confirmed by email.
- Export documentation — Commercial invoice, packing list, and HS code 9031.80 provided for customs clearance.
- After-sales support — Technical questions answered by our engineering team within 24 hours.
Technical FAQ
Q: Can I use this probe with a 3300 XL driver instead of the 3300 NSv driver?
A: No. The 3300 NSv probe is calibrated specifically for the NSv driver. Using an XL driver will produce an incorrect scale factor and unreliable output.
Q: What is the maximum shaft speed this probe can monitor?
A: The 10 kHz frequency response supports shaft speeds up to approximately 600,000 RPM for 1× vibration; practical limits depend on the monitor’s sampling rate.
Q: Is this probe suitable for stainless steel shafts?
A: The standard calibration targets AISI 4140 steel. Stainless steel (300 series) has different conductivity/permeability and requires a target-material correction factor or a custom calibration.
Q: Do you provide a warranty?
A: Yes — 90-day functional warranty on all units. Extended warranty available upon request.
Q: Can you supply the complete 3300 NSv system (probe + cable + driver)?
A: Yes. Contact us with your cable length and mounting requirements for a complete system quotation.
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