Bently Nevada 330103-00-07-50-02-CN – 8mm Proximity Transducer System | 3300 XL Series Platform
Engineering Background: The Bently Nevada 3300 XL Proximity Transducer System is the industry benchmark for non-contact shaft vibration and position measurement in rotating machinery. Engineered to API 670 standards, this system is deployed globally in turbines, compressors, pumps, and generators where continuous, high-integrity vibration data is mission-critical.
Product Positioning: The 330103-00-07-50-02-CN is an 8mm eddy-current proximity transducer configured for standard 5m (driver-to-probe) cable extension, 200 mV/mil sensitivity, and CN (China) regional compliance marking. It is the preferred choice for procurement engineers specifying OEM-equivalent replacements in Baker Hughes / GE Bently Nevada monitoring systems.
Complete Technical Specifications
- Part Number (SKU): 330103-00-07-50-02-CN
- Series / Platform: Bently Nevada 3300 XL Proximity Transducer System
- Probe Diameter: 8 mm
- Sensing Technology: Eddy-Current (Non-Contact)
- Sensitivity: 200 mV/mil (7.87 V/mm)
- Linear Range: 10–90 mil (0.25–2.29 mm)
- Frequency Response: 0–10,000 Hz (–3 dB)
- Cable Extension Length: 5.0 m (driver-to-probe)
- Operating Temperature: –35°C to +177°C (probe); –35°C to +66°C (driver)
- Supply Voltage: –24 VDC (nominal)
- Output Voltage Range: –2 VDC to –18 VDC
- Connector Type: Standard BNC / Integral cable
- Target Material Compatibility: AISI 4140 steel (standard); other alloys with calibration
- Compliance / Certification: API 670, CE, CN regional marking
- Weight: ~40 g (probe assembly)
- Manufacturer: Bently Nevada (Baker Hughes Company)
Proven Application Environments
- Steam and gas turbine shaft radial vibration monitoring
- Centrifugal and reciprocating compressor rotor position measurement
- Boiler feed pump axial thrust and differential expansion sensing
- Gearbox and motor bearing vibration surveillance
- Petrochemical plant rotating equipment protection systems
- Power generation (nuclear, thermal, hydro) machinery monitoring
- LNG plant and offshore platform critical machinery trains
Engineering Advantages
- Non-Contact Measurement: Zero mechanical wear; continuous operation without maintenance intervals
- High Frequency Bandwidth: Captures sub-synchronous, synchronous, and super-synchronous vibration events up to 10 kHz
- API 670 Compliant: Drop-in compatible with existing Bently Nevada 3300 XL monitoring racks and Keyphasor systems
- Robust Construction: Hermetically sealed probe tip; resistant to oil, steam, and process fluid ingress
- Stable Sensitivity: Factory-calibrated 200 mV/mil output; minimal drift over service life
- Wide Temperature Range: Qualified for high-temperature turbine bearing housings up to 177°C
System Architecture & Signal Flow
The 330103-00-07-50-02-CN operates as a three-component eddy-current system:
- Probe (330103 series): 8mm sensing tip generates an oscillating electromagnetic field. Eddy currents induced in the conductive target shaft modulate the field proportionally to gap distance.
- Extension Cable (330130 series, 5m): Transmits the high-frequency carrier signal between probe and driver with controlled impedance. Cable length is factory-matched and must not be substituted.
- Driver / Oscillator-Demodulator (330180 series): Converts the modulated carrier into a DC voltage output (–2 to –18 VDC). Output feeds directly into Bently Nevada 3500 or 3300 series monitor rack input cards.
Note: All three components are calibrated as a matched set. Substituting individual components without recalibration will compromise measurement accuracy and API 670 compliance.
Sourcing & Quality Verification
- Origin: OEM-equivalent stock sourced through authorized industrial distribution channels
- Inspection: Each unit undergoes incoming inspection including visual, dimensional, and functional verification prior to dispatch
- Documentation: Certificate of Conformance (CoC) and test report available upon request
- Traceability: Lot and serial number recorded; full supply chain documentation available for regulated industries
- Packaging: Anti-static, moisture-barrier packaging with foam-lined transit case for probe protection
Procurement Process
- Submit your RFQ via the product page or email support@konmask.com with quantity and required delivery date
- Receive a formal quotation with lead time, CoC availability, and shipping options within 1 business day
- Confirm purchase order — payment via T/T, PayPal, or trade credit (approved accounts)
- Dispatch within 3–5 business days; express air freight available for urgent requirements
- Post-delivery technical support provided by Konmask engineering team
Technical FAQ
Q: Is the 330103-00-07-50-02-CN compatible with the Bently Nevada 3500 monitoring system?
A: Yes. The 3300 XL proximity transducer system is fully compatible with 3500 series monitor racks when used with the appropriate input module. Verify the rack card part number against Bently Nevada compatibility matrices.
Q: Can the extension cable length be changed in the field?
A: No. The probe, extension cable, and driver are factory-calibrated as a matched set for the specified 5m cable length. Altering cable length requires full system recalibration by a qualified technician.
Q: What target material is the standard calibration based on?
A: Factory calibration is performed on AISI 4140 steel. For other shaft materials (e.g., Inconel, titanium alloys), a material correction factor or field recalibration is required per API 670 Annex D.
Q: Do you provide a Certificate of Conformance?
A: Yes. CoC and available test documentation are provided upon request at time of order. Please specify your documentation requirements in your RFQ.
Q: What is the lead time for this part?
A: Standard lead time is 3–5 business days from order confirmation. Express dispatch is available for urgent plant maintenance requirements.
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