Bently Nevada 330103-03-12-50-02-00 – Eddy-Current Proximity Transducer | 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 delivers continuous, real-time displacement data critical to turbine, compressor, and pump protection programs worldwide.
Product Positioning: Part number 330103-03-12-50-02-00 is a complete, field-ready proximity transducer assembly — probe, extension cable, and Proximitor® sensor — configured for 5 mm tip diameter, 12-inch (300 mm) probe cable, 50-inch (1270 mm) extension cable, and standard 200 mV/mil (7.87 V/mm) output sensitivity. It is the preferred choice for OEM machinery builders and plant reliability engineers requiring drop-in compatibility with existing 3300 XL monitor racks.
Complete Technical Specifications
- Part Number: 330103-03-12-50-02-00
- Series / Platform: Bently Nevada 3300 XL Proximity Transducer System
- Sensing Technology: Eddy-current (non-contact)
- Probe Tip Diameter: 5 mm
- Probe Cable Length: 12 inches (300 mm)
- Extension Cable Length: 50 inches (1270 mm)
- Output Sensitivity: 200 mV/mil (7.87 V/mm)
- Measurement Range: 0 – 80 mil (0 – 2.032 mm) linear
- Supply Voltage: –24 VDC (nominal)
- Frequency Response: DC to 10,000 Hz (–3 dB)
- Operating Temperature: –35 °C to +177 °C (probe); –35 °C to +85 °C (Proximitor)
- Target Material: AISI 4140 steel (standard); other ferrous/non-ferrous with calibration
- Connector Type: Standard BNC / integral armored cable
- Approvals / Standards: API 670, CE, FM, CSA (consult datasheet for full listing)
- Weight: Approx. 40 g (probe assembly)
- Country of Origin: United States
Proven Application Environments
- Steam and gas turbine shaft radial vibration monitoring
- Centrifugal and reciprocating compressor rotor position measurement
- Pump and motor bearing displacement surveillance
- Gearbox and expander axial position tracking
- OEM machinery builder integration with 3300 XL monitor racks
- Retrofit and upgrade of legacy Bently Nevada 7200 / 3300 installations
Engineering Advantages
- API 670 Compliant: Meets machinery protection standard for critical rotating equipment in oil & gas, power generation, and petrochemical plants.
- Non-Contact Measurement: Zero mechanical wear; continuous operation without signal degradation over service life.
- High Frequency Response: DC to 10 kHz bandwidth captures sub-synchronous, synchronous, and high-frequency vibration events.
- Wide Temperature Range: Probe rated to +177 °C for high-temperature bearing housings and exhaust-side installations.
- Drop-In Compatibility: Direct replacement for existing 3300 XL system installations — no recalibration of monitor required when replacing like-for-like.
- Armored Cable Construction: Stainless steel armor protects signal integrity in harsh industrial environments.
System Architecture & Signal Flow
The 330103-03-12-50-02-00 operates as a three-component eddy-current system:
- Probe (330103): Generates a high-frequency electromagnetic field at the tip. Eddy currents induced in the target shaft modulate the field in proportion to gap distance.
- Extension Cable (330130-50-00): Transmits the modulated RF signal from probe to Proximitor with minimal loss. Length-matched to maintain system calibration.
- Proximitor® Sensor (330180-X1-05): Demodulates the RF signal and outputs a DC-coupled voltage proportional to probe-to-target gap. Output feeds directly to 3300 XL monitor input cards.
Output voltage range: approximately –1 VDC (near gap) to –18 VDC (far gap) at –24 VDC supply. Monitor cards interpret this signal for vibration amplitude, DC gap, and phase reference measurements.
Sourcing & Quality Verification
- All units sourced from authorized distributors or verified surplus channels with documented chain of custody.
- Each assembly inspected for physical integrity: connector condition, cable armor, probe tip, and label legibility.
- Functional bench test available on request prior to shipment.
- Original Bently Nevada / Baker Hughes packaging and documentation supplied where available.
- Counterfeit-risk mitigation: part numbers, date codes, and markings verified against OEM reference data.
Procurement Process
- Submit your RFQ via support@konmask.com or place order directly on this page.
- Receive order confirmation and lead-time estimate within 1 business day.
- Pre-shipment inspection report and photos provided on request.
- Ships via DHL / FedEx International Priority with full tracking and commercial invoice.
- Export compliance documentation (EAR99 / ECCN) available for international orders.
Technical FAQ
Q: Is this a complete system or just the probe?
A: This listing is for the complete Proximity Transducer System — probe, extension cable, and Proximitor® sensor — as indicated by the full part number 330103-03-12-50-02-00.
Q: Will this replace my existing 3300 XL transducer without monitor recalibration?
A: Yes, provided the replacement is a like-for-like part number. The 3300 XL system is calibrated as a matched set; replacing with the identical part number maintains system calibration.
Q: What target material is this calibrated for?
A: Standard calibration is for AISI 4140 steel. For non-standard target materials (stainless, titanium, aluminum), a material correction factor or field recalibration is required.
Q: Can I use a longer extension cable?
A: Extension cable length is part of the calibrated system. Changing cable length requires a matched Proximitor and recalibration. Contact us for alternative cable length configurations.
Q: Do you provide a warranty?
A: We offer a 90-day functional warranty on all tested units. Extended warranty and exchange programs available — contact us for details.
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