Bently Nevada 330930-065-01-CN Signal Extension Cable – 3300 NSv Proximity Transducer System
When a rotating machine’s vibration monitoring chain loses signal continuity — even for a fraction of a second — the consequences can be catastrophic: undetected shaft displacement, missed early-warning alarms, and unplanned shutdowns that cost tens of thousands of dollars per hour. The extension cable is the often-overlooked but mission-critical link between the proximity probe and the Proximitor® sensor. Without a precisely matched, OEM-specified cable, the entire measurement chain is compromised.
The Bently Nevada 330930-065-01-CN is a factory-specified extension cable engineered for the 3300 NSv Proximity Transducer System — one of the most widely deployed non-contacting vibration measurement platforms in global turbomachinery, compressor, and rotating equipment monitoring. This part number represents the CN (China) regional variant with a 6.5-meter (approximately 21-foot) cable length, designed to maintain the precise electrical characteristics required by the 3300 NSv system’s eddy-current measurement chain.
Technical Specifications
- Part Number: 330930-065-01-CN
- Series: Bently Nevada 3300 NSv Proximity Transducer System
- Cable Type: Extension Cable (Proximitor® to field junction)
- Cable Length: 6.5 m (21.3 ft) — encoded in part suffix “-065”
- Regional Variant: CN (China market specification)
- Connector Type: MIL-spec coaxial, compatible with 3300 NSv probe and Proximitor® sensor
- Impedance: Matched to 3300 NSv system requirements (50 Ω characteristic)
- Temperature Rating: Suitable for industrial environments per 3300 NSv system specification
- Weight: 292 g
- Compliance: Designed to meet Bently Nevada OEM system performance standards
Key Features & Benefits
- OEM-Matched Electrical Characteristics: Maintains the precise capacitance, inductance, and impedance required for accurate eddy-current gap measurement — no signal degradation or calibration offset.
- CN Regional Specification: Sourced and validated for China-market installations, ensuring compatibility with locally deployed 3300 NSv Proximitor® units.
- Plug-and-Play Replacement: Direct drop-in replacement for existing 330930-065-01-CN cables — no re-calibration of the Proximitor® sensor required when replacing like-for-like.
- Robust Industrial Construction: Shielded coaxial design resists EMI/RFI interference common in high-voltage switchgear rooms and motor control centers.
- System Integrity Assurance: Using the correct OEM extension cable is mandatory for API 670 compliance in machinery protection systems.
Industry & Equipment Applications
- Oil & Gas: Centrifugal compressors, gas turbines, steam turbines, expanders on upstream/midstream/downstream facilities
- Power Generation: Steam turbine-generators, gas turbine-generators, hydro turbines
- Petrochemical & Refining: Reactor charge pumps, boiler feed pumps, large process compressors
- Marine & Offshore: Propulsion turbines, auxiliary machinery on FPSOs and offshore platforms
- Industrial Manufacturing: High-speed rotating equipment requiring continuous vibration surveillance
System Integration & Compatible Parts
The 330930-065-01-CN is designed to work within the complete Bently Nevada 3300 NSv Proximity Transducer System. Typical system components include:
- Proximity Probes: 3300 NSv series probes (e.g., 330930-XX-XX-CN variants)
- Proximitor® Sensors: 3300 NSv Proximitor® (e.g., 330180-X1-05)
- Monitoring Systems: Bently Nevada 3500 Series Machinery Protection System
- Junction Boxes: Field-mounted terminal enclosures for cable routing
Always verify the complete part number chain (probe + extension cable + Proximitor®) to ensure system-level calibration integrity.
Our Quality Assurance Process
- Source Verification: All Bently Nevada parts are sourced from authorized distribution channels or verified surplus with full traceability documentation.
- Visual & Dimensional Inspection: Each cable is inspected for connector integrity, jacket condition, and correct labeling before shipment.
- Authenticity Check: Part numbers, date codes, and markings are cross-referenced against OEM specifications.
- Secure Packaging: Anti-static, moisture-resistant packaging with individual part identification to prevent transit damage.
How to Order
- Submit your inquiry via the Contact / RFQ form on this page.
- Provide your required quantity, delivery timeline, and destination port.
- Our technical team will confirm availability, lead time, and issue a formal quotation within 24 hours.
- Upon PO confirmation, we arrange export documentation, packing list, and commercial invoice.
- Shipment via DHL / FedEx / sea freight per your preference, with full tracking provided.
Why Choose Konmask.com?
- ✅ Industrial Automation Specialists — focused exclusively on PLC, DCS, and instrumentation components
- ✅ B2B Export Experience — serving MRO buyers, EPC contractors, and plant maintenance teams globally
- ✅ Fast RFQ Response — technical quotations within 24 hours
- ✅ Flexible MOQ — single-unit orders accepted for emergency replacements
- ✅ Export Documentation — full commercial invoice, packing list, and COO support
Frequently Asked Questions
Q: Is the 330930-065-01-CN the same as 330930-065-01 without the CN suffix?
A: The CN suffix denotes the China regional variant. While electrically equivalent in most parameters, always specify the exact part number to ensure connector and labeling compatibility with your installed system.
Q: Can I use a different cable length with my existing Proximitor® sensor?
A: No. The 3300 NSv system is calibrated for a specific total cable length (probe cable + extension cable). Changing the extension cable length without recalibrating the Proximitor® will introduce measurement error. Always use the OEM-specified length.
Q: Do you provide a certificate of conformance (CoC)?
A: Yes. A CoC and inspection report can be provided upon request for critical plant applications.
Q: What is the lead time for this part?
A: Lead time depends on current stock. Please submit an RFQ for real-time availability. Emergency orders can often be expedited within 3–5 business days.
Q: Is this part compatible with the Bently Nevada 3500 monitoring rack?
A: Yes. The 3300 NSv transducer system (probe + extension cable + Proximitor®) feeds signal to the 3500 Series monitors. The extension cable itself connects the probe to the Proximitor®, not directly to the 3500 rack.
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