Bently Nevada 330908-00-20-10-02-05 – High-Precision Eddy Current Proximity Probe | 3300 XL 8mm Transducer System
Engineering Background: The Bently Nevada 3300 XL Proximity Transducer System has been the global standard for rotating machinery protection and condition monitoring for over four decades. Deployed across power generation, oil & gas, petrochemical, and heavy industrial sectors, the 3300 XL platform is trusted by reliability engineers worldwide for its unmatched signal stability, environmental resilience, and direct integration with the Bently Nevada 3500 Series Machinery Protection System.
Product Positioning: The 330908-00-20-10-02-05 is an 8mm eddy current proximity probe configured for standard industrial shaft monitoring applications. Its suffix structure encodes critical configuration parameters — probe length, cable type, connector style, and sensitivity range — making it a precisely specified, drop-in replacement for existing 3300 XL installations. Konmask.com supplies this part through verified industrial channels with full traceability documentation available upon request.
Complete Technical Specifications
- Part Number: 330908-00-20-10-02-05
- Manufacturer: Bently Nevada (Baker Hughes)
- Series: 3300 XL 8mm Proximity Transducer System
- Sensor Type: Eddy Current (Non-contact) Proximity Probe
- Probe Diameter: 8 mm
- Measurement Range: 0.25 mm to 2.25 mm (linear range)
- Sensitivity: 7.87 V/mm (200 mV/mil) nominal
- Output Signal: -18 VDC nominal (standard Bently Nevada output)
- Supply Voltage: -24 VDC (via Proximitor® Sensor)
- Operating Temperature (Probe Tip): -35°C to +177°C
- Operating Temperature (Cable): -51°C to +177°C
- Target Material: AISI 4140 steel (standard); other alloys require recalibration
- Probe Body Material: Stainless steel (316L)
- Cable Type: Armored, integral coaxial
- Connector: Standard Bently Nevada coaxial (per suffix -02)
- Probe Length: Per suffix -20 configuration
- Weight: ~200 g (packaged)
- Compliance: CE, ATEX, IECEx (zone-dependent; confirm with datasheet)
- Agency Approvals: FM, CSA (where applicable)
Proven Application Environments
- Steam turbine and gas turbine shaft radial vibration monitoring
- Centrifugal compressor radial bearing position measurement
- Axial position and differential expansion monitoring on large rotating machines
- Pump and motor bearing condition monitoring in continuous process plants
- Gearbox input/output shaft displacement measurement
- Expander and blower machinery protection in refinery and petrochemical service
- Power generation asset protection (nuclear, thermal, hydro auxiliary systems)
Engineering Advantages
- ✅ Non-contact measurement — Zero mechanical wear; suitable for 24/7 continuous operation without maintenance intervals
- ✅ Sub-micron resolution — Detects shaft displacement changes as small as 0.001 mm for early fault detection
- ✅ Wide thermal envelope — Operates reliably from cryogenic-adjacent to high-temperature process environments
- ✅ Direct OEM compatibility — Electrically and mechanically interchangeable with existing 3300 XL probe installations
- ✅ Armored cable construction — Resistant to mechanical damage, chemical exposure, and high-vibration environments
- ✅ Suffix-encoded configuration — Eliminates ambiguity in replacement procurement; exact specification match guaranteed
System Architecture & Signal Flow
The 330908-00-20-10-02-05 operates as the sensing element within the complete 3300 XL Proximity Transducer System. Signal flow is as follows:
- Probe (330908-00-20-10-02-05) → generates high-frequency eddy current field at shaft surface
- Extension Cable (330130 Series) → transmits raw oscillator signal from probe to Proximitor® Sensor
- Proximitor® Sensor (330180 Series) → conditions signal, outputs -18 VDC proportional to gap distance
- Monitoring System (Bently Nevada 3500 Series) → processes conditioned signal for alarm, trip, and trending functions
- DCS / SCADA Integration → 4–20 mA or digital output via 3500 rack I/O modules
Note: Probe, extension cable, and Proximitor® Sensor must be purchased and calibrated as a matched system. Mixing unmatched components will degrade measurement accuracy.
Sourcing & Quality Verification
Konmask.com applies a 4-stage verification protocol to all Bently Nevada components:
- Supply Chain Authentication — Units traced to authorized distributors or OEM-certified industrial surplus channels. No undisclosed refurbished or grey-market stock.
- Physical Inspection — Probe tip, cable armor, connector, and label markings verified against Bently Nevada factory specifications.
- Functional Signal Test — Output linearity and sensitivity verified using calibrated bench test equipment prior to dispatch.
- Documentation Compilation — Certificate of conformance, datasheet, and traceability records compiled and available upon written request.
Procurement Process
- Add to Cart — Select quantity and proceed to checkout directly on this page for standard orders.
- Request a Quote — For bulk orders (5+ units), project-based procurement, or OEM pricing, email [email protected] with your BOM or PO requirements.
- Urgent Maintenance Orders — Contact +0086 19859288691 (WhatsApp/Call) for same-day sourcing confirmation on critical plant maintenance stock.
- Lead Time — Standard: 3–7 business days. Expedited: 1–3 business days (subject to stock availability).
- Export Documentation — Commercial invoice, packing list, and certificate of origin provided for all international shipments. DHL Express, FedEx International, and UPS available.
Technical FAQ
Q: Is the 330908-00-20-10-02-05 a direct replacement for my existing 3300 XL probe?
A: Yes, provided your existing installation uses the same suffix configuration. Verify probe length, cable type, and connector suffix against your current part number before ordering. Contact us if you need cross-reference assistance.
Q: Can this probe be used with non-Bently Nevada monitoring systems?
A: The probe outputs a standard -18 VDC signal via the Proximitor® Sensor, which can interface with third-party monitoring systems that accept this signal range. However, full system performance is only guaranteed within the Bently Nevada 3300/3500 ecosystem.
Q: Do you supply matched probe/extension cable/Proximitor® sets?
A: Yes. We can source complete matched transducer system sets. Submit your system configuration to [email protected] for a bundled quote.
Q: Is a certificate of conformance available?
A: Yes, available upon written request for qualifying orders.
Q: What is your return and warranty policy?
A: We accept returns within 30 days for unused, uninstalled items in original packaging. Defective units are replaced or refunded per our warranty policy.
Q: Can you source other Bently Nevada part numbers not listed on your site?
A: Yes. We specialize in hard-to-find industrial automation components. Submit your parts list to [email protected] for a sourcing quote.
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Contact: [email protected] | +0086 19859288691
