Bently Nevada 330903-00-05-50-02-00 – Eddy Current Proximity Transducer | 3300 XL NSv Platform
Engineering Background: The Bently Nevada 3300 XL NSv (Non-contacting Vibration) Proximity Transducer System is a field-proven eddy current sensing solution engineered for continuous, real-time shaft vibration and position monitoring in critical rotating machinery. Developed by Baker Hughes (Bently Nevada), this system is the industry benchmark for turbomachinery protection in power generation, oil & gas, petrochemical, and heavy industrial environments.
Product Positioning: Part number 330903-00-05-50-02-00 is a complete proximity transducer assembly within the 3300 XL NSv series, designed to interface directly with Bently Nevada 3300 XL monitors and TDXnet/System 1 condition monitoring platforms. It delivers high-resolution, non-contact displacement measurement with exceptional linearity and temperature stability — the preferred choice for procurement engineers specifying OEM-equivalent replacement or greenfield installations.
Complete Technical Specifications
- Part Number: 330903-00-05-50-02-00
- Series / Platform: Bently Nevada 3300 XL NSv
- Sensing Technology: Eddy Current (Non-contacting)
- Probe Tip Diameter: 5 mm (standard)
- Cable Length: 5.0 m (standard extension cable)
- Linear Range: 0.25 mm – 2.25 mm (nominal)
- Scale Factor: 7.87 V/mm (200 mV/mil)
- Frequency Response: DC – 10,000 Hz (–3 dB)
- 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
- Target Material: AISI 4140 steel (standard); other alloys available
- Connector Type: Integral coaxial, armored extension cable
- Approvals / Certifications: CE, ATEX, IECEx (consult datasheet for zone ratings)
- Compatible Monitors: 3300 XL, 3500 series (with appropriate driver)
- Weight: Approx. 40 g (probe assembly)
Proven Application Environments
- Steam and gas turbine shaft radial vibration monitoring
- Centrifugal compressor rotor position and thrust measurement
- Pump and motor bearing journal orbit analysis
- Gearbox and expander differential expansion measurement
- Power generation (nuclear, thermal, combined-cycle) critical machinery protection
- Offshore and onshore oil & gas processing trains
- Petrochemical reactor and compressor trains requiring SIL-rated monitoring
Engineering Advantages
- Non-contact measurement: Zero mechanical wear, no lubrication required, suitable for high-speed shafts exceeding 100,000 RPM
- Wide frequency bandwidth: DC to 10 kHz captures both slow-roll runout and high-frequency subsynchronous instabilities
- High temperature probe: Rated to +177°C for hot-section turbine bearing housings
- Direct 3300 XL monitor compatibility: Plug-and-play replacement; no recalibration of monitor required when replacing like-for-like
- Armored cable construction: Stainless steel armor resists mechanical damage in harsh plant environments
- Long-term signal stability: Thermally compensated driver electronics maintain scale factor accuracy over full operating temperature range
System Architecture & Signal Flow
The 330903-00-05-50-02-00 operates as a three-component system: Probe → Extension Cable → Driver (Proximitor® Sensor). The probe tip generates a high-frequency electromagnetic field; eddy currents induced in the rotating shaft target attenuate this field proportionally to gap distance. The driver converts this impedance change into a calibrated DC voltage output (–2 V to –18 V), which feeds directly into the 3300 XL monitor’s input channel for gap, 1X, 2X, and broadband vibration processing. Signal integrity is maintained across the full cable run via matched impedance coaxial construction.
Sourcing & Quality Verification
- Origin: USA (Baker Hughes / Bently Nevada manufacturing)
- Condition: New OEM / Surplus New / Tested Refurbished (specify at inquiry)
- Traceability: Original manufacturer packaging and documentation available on request
- Inspection: All units undergo functional verification including scale factor check, linearity test, and insulation resistance measurement prior to dispatch
- Warranty: 12-month operational warranty against manufacturing defects
Procurement Process
- Submit your RFQ with required quantity and delivery timeline via the product page or email support@konmask.com
- Receive a formal quotation with lead time, condition report, and shipping options within 24 business hours
- Confirm order — payment via T/T, PayPal, or credit card accepted
- Dispatch with full documentation package (test report, packing list, commercial invoice)
- Post-delivery technical support available via email or WhatsApp: +0086 19859288691
Technical FAQ
Q: Is 330903-00-05-50-02-00 a direct replacement for older 3300 series probes?
A: Yes, the 3300 XL NSv series is backward-compatible with 3300 monitors. Verify driver part number compatibility before installation.
Q: Can this probe measure thrust position as well as radial vibration?
A: Yes. With appropriate monitor channel configuration, the same probe system measures both radial vibration (AC component) and axial/thrust position (DC component).
Q: What target material is required?
A: AISI 4140 steel is the calibration standard. Other ferromagnetic alloys require a correction factor — contact us for alloy-specific scale factor data.
Q: Is ATEX certification included?
A: ATEX/IECEx ratings apply to specific sub-variants. Confirm zone classification requirements at time of order.
Q: What is the minimum order quantity?
A: Single units are available. Volume pricing applies for orders of 5+ units.
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Contact: support@konmask.com | +0086 19859288691
