Bently Nevada 330905-00-19-10-02-CN – Eddy Current Proximity Probe | 3300 NSv Platform
Engineering Background
The Bently Nevada 3300 NSv Series represents the industry benchmark for non-contacting eddy current measurement in rotating machinery protection. Designed for continuous, real-time shaft vibration and position monitoring, the 330905-00-19-10-02-CN is a factory-configured proximity probe optimized for turbomachinery, compressors, pumps, and critical rotating assets where API 670 compliance is mandatory.
Product Positioning
This probe is the primary sensing element in a complete 3300 NSv transducer system, working in conjunction with a compatible extension cable (3300 XL series) and proximitor/oscillator driver. It delivers sub-micron resolution displacement measurements with exceptional linearity across the full operating range — making it the preferred choice for OEM integrators and plant reliability engineers worldwide.
Bently Nevada 330905-00-19-10-02-CN – Eddy Current Proximity Probe | 3300 NSv Platform
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 330905-00-19-10-02-CN |
| Series / Platform | Bently Nevada 3300 NSv |
| Probe Type | Eddy Current Non-Contacting Proximity Probe |
| Tip Diameter | 8 mm (5/16 in) |
| Probe Body Thread | 3/8-24 UNF |
| Integral Cable Length | 5 m (16.4 ft) |
| Extension Cable Suffix | -02 (requires 3300 XL extension cable) |
| Target Material | Steel / Stainless Steel (AISI 4140 reference) |
| Linear Range | 0.25 mm – 2.54 mm (10 – 100 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 (–31°F to +351°F) |
| Supply Voltage | –24 VDC (via proximitor) |
| Output Voltage Range | –2 VDC to –18 VDC |
| Connector Type | Coaxial, gold-plated |
| Ingress Protection | IP67 |
| Compliance | API 670, CE |
| Country of Origin | United States |
| Weight (approx.) | 40 g |
Proven Application Environments
- Steam & Gas Turbines — Shaft radial vibration and axial position monitoring per API 670
- Centrifugal Compressors — Real-time rotor orbit and eccentricity measurement
- Pumps & Fans — Continuous bearing clearance and shaft displacement tracking
- Gearboxes — Gear mesh frequency analysis and shaft runout detection
- Electric Motors — Air gap monitoring and rotor dynamic balancing
- Petrochemical & Refinery Plants — SIL-rated machinery protection systems
- Power Generation — Turbine supervisory instrumentation (TSI) integration
Engineering Advantages
- Non-contacting measurement — Zero mechanical wear; suitable for continuous 24/7 operation
- High linearity — <±0.5% full-scale error across the calibrated linear range
- Wide temperature range — Stable performance from cryogenic to high-temperature process environments
- API 670 compliant — Drop-in replacement for existing 3300 NSv installations without recalibration
- Coaxial gold-plated connector — Low-noise signal transmission; corrosion-resistant for harsh environments
- IP67 rated — Sealed against dust ingress and temporary immersion
- System-matched calibration — Factory-calibrated as a matched set with 3300 XL extension cables and proximitor drivers
System Architecture & Signal Flow
The 330905-00-19-10-02-CN operates as the sensing element in a three-component transducer system:
- Proximity Probe (330905-00-19-10-02-CN) — Generates an oscillating electromagnetic field; detects eddy current changes induced by the rotating target shaft.
- Extension Cable (3300 XL Series) — Transmits the high-frequency RF signal from the probe tip to the proximitor driver. Cable length must be matched to the probe’s calibrated system.
- Proximitor / Oscillator Driver (3300 NSv) — Demodulates the RF signal into a DC voltage proportional to the gap distance. Outputs –2 VDC (near gap) to –18 VDC (far gap) at 7.87 V/mm scale factor.
The DC output connects directly to Bently Nevada 3500 Series rack monitors, DCS analog input cards, or standalone vibration monitors for alarm/trip logic.
Sourcing & Quality Verification
- All units sourced through authorized industrial distribution channels with full traceability documentation
- Each probe inspected for physical integrity, connector condition, and cable continuity prior to shipment
- Original OEM packaging preserved where available; factory calibration certificates supplied on request
- Batch and date codes verified against Bently Nevada manufacturing records
- Counterfeit-prevention: serial number and label authentication performed on every unit
Procurement Process
- Confirm compatibility — Verify your proximitor driver model and extension cable suffix match the –02 cable configuration
- Request a quote — Contact [email protected] for volume pricing, lead time, and availability
- Place order — Secure checkout via Konmask.com; payment by T/T, credit card, or PayPal accepted
- Shipping — DHL / FedEx express worldwide; export documentation and commercial invoice included
- After-sales support — Technical assistance available for installation, commissioning, and system integration
Technical FAQ
Q: Is the 330905-00-19-10-02-CN a direct replacement for the 330905-00-19-10-01-CN?
A: The –02 suffix denotes a 5 m integral cable vs. the –01’s 1 m cable. Electrically identical; ensure your extension cable length is adjusted accordingly to maintain system calibration.
Q: Can this probe be used with non-Bently Nevada monitors?
A: Yes. The –18 VDC to –2 VDC output is compatible with any analog input accepting a 4–20 mA or voltage signal via a signal conditioner. Direct connection to 3500 Series racks is plug-and-play.
Q: What target materials are supported?
A: Optimized for AISI 4140 steel. Performance on stainless steel, titanium, or non-ferrous targets requires a target-specific calibration curve — contact us for application engineering support.
Q: Is a calibration certificate available?
A: Factory calibration certificates can be provided upon request. Third-party NIST-traceable recalibration is also available through our partner laboratories.
Q: What is the minimum order quantity?
A: Single units available. Volume discounts apply for orders of 5+ units.
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