Bently Nevada 330130-045-12-00 Extension Cable | Proximity Transducer Signal Extension | 3300 Series Platform
Engineering Background: The Bently Nevada 3300 Series is the industry-standard proximity transducer system deployed globally in rotating machinery protection and condition monitoring. The extension cable is a precision-engineered signal transmission component that bridges the proximitor/driver and the eddy-current probe, maintaining signal integrity across the full measurement chain.
Product Positioning: The 330130-045-12-00 is a 12-foot (3.66 m) armored extension cable designed for use within Bently Nevada 3300 Series proximity transducer assemblies. It is the OEM-specified interconnect for turbines, compressors, pumps, and other critical rotating equipment where vibration, axial position, and speed measurement are safety-critical functions.
Complete Technical Specifications
- Part Number: 330130-045-12-00
- Manufacturer: Bently Nevada (Baker Hughes)
- Series / Platform: 3300 Series Proximity Transducer System
- Cable Type: Extension Cable (Armored)
- Cable Length: 12 ft (3.66 m) — suffix -12-00
- Overall Assembly Length: 45 ft (13.72 m) — suffix -045
- Connector Type: Standard Bently Nevada coaxial, compatible with 3300 Series probes and proximitors
- Impedance: 50 Ω nominal
- Operating Temperature: –40 °C to +85 °C
- Jacket Material: Stainless steel armored / PTFE-insulated inner conductor
- Weight: Approx. 210 g
- Compliance: Compatible with API 670 machinery protection standards
- Country of Origin: USA
Proven Application Environments
- Steam and gas turbine vibration monitoring (radial & axial)
- Centrifugal and reciprocating compressor shaft displacement measurement
- Pump and motor bearing proximity sensing
- Gearbox and expander speed/phase reference systems
- Petrochemical, LNG, power generation, and refinery critical machinery trains
- Offshore platform rotating equipment protection systems
Engineering Advantages
- OEM Signal Integrity: Maintains the calibrated system sensitivity (200 mV/mil, 7.87 V/mm) across the full cable run — no field recalibration required when replacing like-for-like.
- Armored Construction: Stainless steel armor provides mechanical protection against abrasion, crush loads, and vibration fatigue in harsh plant environments.
- Plug-and-Play Compatibility: Direct drop-in replacement for existing 3300 Series installations; no modification to proximitor or probe required.
- Low Capacitance: Controlled cable capacitance preserves the linear measurement range of the eddy-current system.
- Chemical Resistance: PTFE dielectric and armored jacket resist oils, solvents, and process fluids common in industrial settings.
System Architecture & Signal Flow
The 3300 Series proximity transducer system operates as a three-component assembly:
- Probe (3300 XL 8mm / 11mm / 14mm) — eddy-current sensing element, installed at the shaft gap.
- Extension Cable (330130-045-12-00) — this component; transmits the RF oscillator signal between probe and proximitor.
- Proximitor / Driver (3300 XL) — signal conditioning module, converts gap distance to a DC voltage output (–24 VDC bias, 200 mV/mil output).
The total cable system length (probe cable + extension cable) must match the proximitor’s calibrated range. The -045 designation confirms this cable is part of a 45 ft total system assembly.
Sourcing & Quality Verification
- All units sourced from authorized distributors or verified OEM surplus channels.
- Each cable inspected for connector integrity, armor continuity, and impedance conformance prior to shipment.
- Traceability documentation available upon request for regulated industries (nuclear, offshore, power generation).
- Konmask.com maintains a curated inventory of Bently Nevada 3300 Series components to support emergency replacement and planned maintenance programs.
Procurement Process
- Confirm your total system assembly length and probe/proximitor model before ordering.
- Submit your purchase order or inquiry to support@konmask.com.
- Lead time: In-stock units ship within 1–3 business days; EXW Xiamen, China.
- Export documentation (commercial invoice, packing list, COO) provided for international customs clearance.
- DHL / FedEx / UPS express available; sea freight consolidation for bulk orders.
Technical FAQ
Q: Can I use this cable with a non-Bently Nevada proximitor?
A: Not recommended. The 3300 Series cable is calibrated as a matched system. Using it with third-party drivers will invalidate the system sensitivity and may trigger false alarms or missed trips.
Q: What is the difference between the -045 and -060 suffix?
A: The middle suffix denotes total system assembly length in feet. -045 = 45 ft total; -060 = 60 ft total. Always match the suffix to your proximitor’s calibrated cable length.
Q: Is this cable suitable for hazardous area (ATEX/IECEx) installations?
A: The 3300 Series has ATEX-certified variants. Confirm the full part number and certification markings on your existing installation before substituting.
Q: Can Konmask supply the complete 3300 Series assembly (probe + cable + proximitor)?
A: Yes. Contact us with your full BOM and we will quote the complete matched assembly.
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