Rotating Machinery Vibration Monitoring Solution – Bently Nevada 330101-00-66-10-02-CN | 3300 XL Series
The Bently Nevada 330101-00-66-10-02-CN is a high-precision eddy-current proximity transducer system engineered for continuous, non-contact measurement of shaft vibration, position, and eccentricity in critical rotating machinery. As part of the industry-standard 3300 XL Series, this system delivers the measurement accuracy and reliability demanded by power generation, oil & gas, and petrochemical industries worldwide.
At Konmask.com, we supply this part with full traceability documentation, supporting procurement engineers who require verified, shelf-ready inventory for planned maintenance, emergency replacement, and new-build projects.
Where This Product Is Used
- Steam & Gas Turbines — Continuous radial shaft vibration monitoring per API 670 requirements; protects against catastrophic bearing failure in power plant turbines rated from 50 MW to 1,000+ MW.
- Centrifugal Compressors — Monitors rotor dynamic behavior in pipeline compression stations, LNG facilities, and refinery recycle gas compressors.
- Pumps & Fans (Critical Service) — Applied to boiler feed pumps, cooling water pumps, and induced-draft fans where unplanned downtime carries high operational cost.
- Gearboxes & Expanders — Measures differential expansion and thrust position in high-speed gearboxes and turboexpanders in cryogenic and chemical plants.
- Marine Propulsion Systems — Installed on main propulsion shafts and auxiliary turbines aboard LNG carriers and FPSO vessels.
- Hydro Turbines — Shaft position and vibration monitoring in hydroelectric generating units.
Technical Specifications
| Part Number | 330101-00-66-10-02-CN |
| Series | 3300 XL Proximity Transducer System |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Probe Type | Eddy-Current, Non-Contact |
| Probe Tip Diameter | 8 mm (standard) |
| Cable Length | 6.6 m (probe + extension cable combined) |
| Extension Cable Length | 1.0 m |
| Thread Size | M10 × 1 |
| Linear Range | 0.25 mm – 2.26 mm (10 mil – 90 mil) |
| Scale Factor | 7.87 V/mm (200 mV/mil) |
| Frequency Response | DC – 10,000 Hz (–3 dB) |
| Supply Voltage | –24 VDC (nominal) |
| Output Voltage Range | –1 VDC to –21 VDC |
| Target Material | AISI 4140 Steel (standard); other alloys available |
| Operating Temperature | –35°C to +177°C (probe); –35°C to +85°C (driver) |
| Ingress Protection | IP67 (probe body) |
| Approvals | CE, ATEX, IECEx, FM, CSA |
| Connector Type | Integral coaxial, armored cable |
| Weight | Approx. 230 g (probe + cable assembly) |
| Country of Origin | United States |
Why Engineers Specify This Model
- API 670 Compliance — Fully compliant with API Standard 670 (5th Edition) for machinery protection systems; accepted by major EPC contractors and end-users globally.
- Extended Temperature Range — Probe rated to +177°C enables direct installation in high-temperature bearing housings without remote mounting adapters.
- CN Suffix Designation — Indicates armored, conduit-ready cable jacket optimized for installations requiring mechanical protection in harsh industrial environments.
- Plug-and-Play with 3300 XL Drivers — Matched system calibration with Bently Nevada 3300 XL proximitor/driver modules (e.g., 330180, 330130) eliminates field calibration effort.
- Long-Term OEM Support — Active product line with Baker Hughes/Bently Nevada ensuring spare parts availability and firmware compatibility with System 1 software.
- Proven MTBF — Field-demonstrated mean time between failures exceeding 150,000 hours in continuous service applications.
Complete System Bill of Materials
A complete 3300 XL proximity measurement channel typically includes:
- Probe Assembly: 330101-00-66-10-02-CN (this item)
- Extension Cable: Included in this assembly (1.0 m); additional extension via 330130-045-00-CN if required
- Proximitor/Driver: 330180-X1-05 (3300 XL 8 mm driver, –24 VDC)
- I/O Module (optional): 3500/42M Proximitor/Seismic Monitor for rack integration
- Mounting Hardware: 02-262610-01 probe holder bracket (customer-supplied)
- Target Shaft: AISI 4140 or equivalent low-alloy steel, surface finish Ra ≤ 0.8 μm
Compliance & Industry Standards
- API 670 — Machinery Protection Systems (5th Edition)
- IEC 60079 — Equipment for Explosive Atmospheres (ATEX / IECEx Zone 1 & Zone 2)
- ISO 10816 / ISO 20816 — Mechanical Vibration, Evaluation of Machine Vibration
- NEMA 4X — Enclosure rating for outdoor and washdown environments
- RoHS 2 Directive — Restriction of Hazardous Substances compliant
- CE Marking — EU Declaration of Conformity
Quality Assurance & Sourcing
Every 330101-00-66-10-02-CN unit supplied by Konmask.com undergoes the following verification process:
- OEM Traceability — Parts sourced through authorized Bently Nevada distribution channels with original manufacturer documentation.
- Incoming Inspection — Physical verification of part number, date code, and label integrity against OEM specifications.
- Functional Pre-Check — Electrical continuity and coil impedance verification prior to dispatch.
- Secure Packaging — Anti-static, moisture-barrier packaging with desiccant; original OEM box preserved where available.
- Certificate of Conformance — Provided with every shipment upon request.
How to Source This Part
- Submit RFQ — Email support@konmask.com with your required quantity, delivery timeline, and project details.
- Receive Quote — Our technical team responds within 4 business hours with pricing, lead time, and availability confirmation.
- Order Confirmation — Purchase order accepted via email; payment terms available for qualified accounts.
- Expedited Shipping — DHL Express, FedEx International Priority, and UPS Worldwide available; export documentation (CO, packing list, commercial invoice) included.
- Post-Sale Support — Technical assistance available for installation, commissioning, and system integration questions.
Application-Specific FAQ
Q: Is the 330101-00-66-10-02-CN compatible with the Bently Nevada 3500 rack system?
A: Yes. This probe system is compatible with 3500 series monitor cards (e.g., 3500/42M, 3500/40M) when used with the appropriate 3300 XL driver module. Verify driver selection with your system integrator.
Q: What does the “CN” suffix indicate?
A: The “CN” suffix designates a conduit-ready, armored cable jacket variant, providing additional mechanical protection for installations routed through conduit or exposed to abrasion and vibration.
Q: Can this probe measure thrust position as well as radial vibration?
A: Yes. With appropriate mounting orientation (axial), the 330101 series can measure thrust position and differential expansion. Radial mounting measures shaft vibration and relative shaft position.
Q: What is the recommended gap voltage for initial setup?
A: The nominal gap voltage is –10.0 VDC (corresponding to approximately 1.27 mm / 50 mil gap), placing the measurement at the center of the linear range for maximum dynamic range in both directions.
Q: Do you supply calibration certificates?
A: A Certificate of Conformance is standard. NIST-traceable calibration certificates can be arranged upon request for an additional lead time of 3–5 business days.
Q: What is the minimum order quantity?
A: No minimum order quantity. Single units are available. Volume pricing applies for orders of 5 units or more.
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