Bently Nevada 330104-02-10-50-02-CN – High-Precision Eddy Current Proximity Transducer | 3300 XL Series Platform
Engineering Background
The Bently Nevada 3300 XL Series represents the global benchmark for non-contact shaft vibration and position measurement in rotating machinery. Developed by Baker Hughes (Bently Nevada), this platform is deployed across power generation, oil & gas, petrochemical, and heavy industrial sectors where continuous, high-reliability machinery protection is non-negotiable.
Product Positioning
The 330104-02-10-50-02-CN is a complete eddy current proximity transducer system comprising a probe, extension cable, and Proximitor® sensor. It is engineered for OEM-level integration into turbine supervisory instrumentation (TSI) panels, compressor trains, and API 670-compliant machinery protection systems. The -CN suffix denotes the Chinese market configuration, fully compatible with standard 3300 XL signal conditioning electronics.
Complete Technical Specifications
| Part Number | 330104-02-10-50-02-CN |
| Series / Platform | Bently Nevada 3300 XL Proximity Transducer System |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Transducer Type | Eddy Current (Non-Contact) |
| Probe Tip Diameter | 8 mm (standard) |
| 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) |
| Supply Voltage | –24 VDC (–18 VDC to –26 VDC) |
| Output Signal | –2 VDC to –18 VDC (within linear range) |
| Probe Cable Length | 1.0 m (integral, armored) |
| Extension Cable Length | 5.0 m |
| Total System Length | ~6.0 m (probe + extension) |
| Connector Type | Standard BN coaxial, 2-pin |
| Temperature Range (Probe) | –35°C to +177°C |
| Temperature Range (Proximitor) | –35°C to +85°C |
| Ingress Protection | IP67 (probe tip) |
| Target Material | AISI 4140 steel (standard); other alloys require calibration verification |
| Compliance | API 670 (4th & 5th Edition), CE, RoHS |
| Weight | ~230 g (complete system) |
| Country of Origin | United States |
Proven Application Environments
- Steam & Gas Turbines – Radial shaft vibration, axial position, and differential expansion monitoring per API 670
- Centrifugal & Reciprocating Compressors – Continuous bearing clearance and rotor orbit measurement
- Pumps & Fans – Shaft eccentricity and runout detection in high-speed rotating equipment
- Gearboxes – Gear mesh frequency analysis and shaft displacement trending
- Marine Propulsion Systems – Vibration monitoring in confined, high-humidity environments
- Power Generation (Nuclear & Conventional) – Safety-critical machinery protection loops
Engineering Advantages
- Non-Contact Measurement – Zero mechanical wear; suitable for continuous 24/7 operation without maintenance intervals
- Wide Frequency Bandwidth – DC to 10 kHz response captures both slow-roll runout and high-frequency vibration events
- High EMI Immunity – Coaxial cable construction and differential signal architecture reject electrical noise in industrial environments
- API 670 Certified – Drop-in replacement for existing 3300 XL installations; no recalibration of the monitoring system required
- -CN Configuration – Pre-configured for Chinese market regulatory compliance and domestic OEM integration
- Armored Cable – Stainless steel braid protects against mechanical damage in turbine enclosures and compressor skids
System Architecture & Signal Flow
The 330104-02-10-50-02-CN operates as a three-component system:
- Probe (330104-02-10) – Eddy current sensing element, threaded M10 body, 1.0 m integral cable. Mounts in a proximity probe holder adjacent to the shaft.
- Extension Cable (330130-050-00-CN) – 5.0 m coaxial extension connecting probe to Proximitor® sensor. Maintains signal integrity over distance.
- Proximitor® Sensor (330180-X1-CN) – Oscillator/demodulator electronics converting eddy current impedance change to a DC voltage output proportional to gap distance. Mounts in a junction box or instrument enclosure.
Output voltage feeds directly into Bently Nevada 3500 Series rack monitors, 1900 Series machinery protection systems, or any DCS/PLC analog input card accepting –2 VDC to –18 VDC signals.
Sourcing & Quality Verification
- All units sourced through authorized Bently Nevada / Baker Hughes distribution channels or verified surplus with full traceability documentation
- Each system undergoes incoming inspection: visual, dimensional, and functional verification against OEM calibration data sheets
- Calibration certificates and material test reports (MTR) available upon request for critical applications
- Serialized units traceable to OEM manufacturing records; counterfeit screening performed on all surplus stock
- Packaging: anti-static foam insert, moisture barrier bag, original OEM carton where available
Procurement Process
- Confirm Part Number – Verify 330104-02-10-50-02-CN matches your existing system configuration (cable lengths, connector type, target material)
- Request Quote – Contact support@konmask.com for volume pricing, lead time, and availability confirmation
- Submit PO – Standard payment terms: T/T, L/C, or trade assurance. OEM documentation package included
- Shipping – DHL / FedEx Express worldwide; export documentation (CO, packing list, commercial invoice) provided. Lead time: 3–7 business days for in-stock units
- After-Sales Support – Technical support available via email or phone for installation, commissioning, and troubleshooting
Technical FAQ
Q: Is the 330104-02-10-50-02-CN a direct replacement for the 330104-02-10-50-02-00?
A: Yes. The -CN suffix is a regional configuration variant. Electrical and mechanical specifications are identical; it is fully interchangeable in existing 3300 XL installations.
Q: What target materials are compatible?
A: The system is factory-calibrated for AISI 4140 steel. Other alloys (stainless steel, titanium, Inconel) require a system recalibration or application of a correction factor per Bently Nevada TIL-073.
Q: Can this probe be used with non-Bently Nevada monitors?
A: Yes. The –2 VDC to –18 VDC output is compatible with any analog input accepting this range. Verify input impedance ≥ 10 kΩ and supply –24 VDC ±10%.
Q: What is the maximum shaft speed this system can monitor?
A: The 10 kHz frequency response supports shaft speeds up to 600,000 RPM for 1× vibration measurement, well beyond typical industrial turbomachinery requirements.
Q: Do you provide calibration certificates?
A: Yes. OEM calibration data sheets are included with new units. Third-party calibration certificates can be arranged upon request for surplus units.
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