Bently Nevada 330730-080-03-05 Extension Cable | 3300 XL 8mm Proximity Probe System
Engineering Background
The Bently Nevada 3300 XL Series represents the industry benchmark for proximity transducer systems used in continuous machinery protection and condition monitoring. The extension cable is a precision-engineered signal transmission component that forms the critical link between the proximity probe and the Proximitor® sensor, maintaining signal integrity across the full measurement chain.
Product Positioning
Part number 330730-080-03-05 is the OEM-specified extension cable for 3300 XL 8mm proximity probe systems. With a nominal length of 0.5 m (total system cable length 5.0 m), it is designed for installations where the probe-to-Proximitor distance requires a short extension segment. This cable is a direct, drop-in replacement for existing 3300 XL installations and is fully compatible with Baker Hughes / Bently Nevada system architecture.
Complete Technical Specifications
- Part Number: 330730-080-03-05
- Manufacturer: Bently Nevada (Baker Hughes)
- Series / Platform: 3300 XL 8mm Proximity Transducer System
- Component Type: Extension Cable
- Cable Length: 0.5 m (nominal extension segment)
- Total System Cable Length: 5.0 m (probe cable + extension cable)
- Connector Type: Armored coaxial, MIL-spec threaded connectors (male/female)
- Conductor: Coaxial, low-loss signal cable
- Jacket Material: Stainless steel armored outer sheath
- Operating Temperature: -35°C to +85°C
- Compatible Probe: Bently Nevada 3300 XL 8mm Proximity Probe (e.g., 330730-080-00-00)
- Compatible Proximitor: Bently Nevada 3300 XL Proximitor® Sensor
- Weight: Approx. 220 g
- Certifications: CE, CSA, FM (per system approval)
- Country of Origin: USA
Proven Application Environments
- Steam and gas turbines (power generation, oil & gas)
- Centrifugal and axial compressors
- Pumps, fans, and gearboxes in continuous process plants
- Petrochemical and refinery rotating machinery trains
- Marine propulsion and offshore platform machinery
- Any installation requiring API 670-compliant vibration and position monitoring
Engineering Advantages
- Signal Integrity: Precision-matched impedance maintains the calibrated sensitivity (200 mV/mil, 7.87 V/mm) of the complete transducer system without recalibration.
- Armored Construction: Stainless steel armor provides mechanical protection against abrasion, crush loads, and chemical exposure in harsh plant environments.
- OEM Compatibility: Direct replacement — no system re-gapping or re-calibration required when replacing like-for-like.
- Connector Reliability: MIL-spec threaded connectors resist vibration-induced loosening and maintain low-resistance contact over extended service life.
- Temperature Stability: Cable dielectric and conductor materials maintain stable electrical characteristics across the full rated temperature range.
System Architecture & Signal Flow
The 3300 XL proximity transducer system operates as a three-component chain:
- Proximity Probe (330730-080-00-00) — eddy-current sensing tip, installed in the machine casing.
- Extension Cable (330730-080-03-05, this item) — routes the RF signal from the probe exit point to the Proximitor® sensor, typically mounted outside the hazardous zone.
- Proximitor® Sensor (3300 XL series) — oscillator/demodulator that converts the RF signal to a DC voltage proportional to gap distance, output to the monitoring system (e.g., System 1, 3500 rack).
All three components must be from the same calibrated system set to maintain the ±1% full-scale accuracy specification. Mixing cable lengths or part numbers from different system sets will invalidate the factory calibration.
Sourcing & Quality Verification
- All units sourced through authorized industrial distribution channels or directly from OEM-certified surplus inventory.
- Each cable is inspected for connector integrity, armor continuity, and part number label verification prior to shipment.
- Traceability documentation (OEM datasheet, inspection record) available upon request for critical-service applications.
- Konmask.com maintains stock of common 3300 XL system components to support emergency maintenance and planned turnaround outages.
Procurement Process
- Confirm your existing system part numbers (probe, extension cable, Proximitor) to verify compatibility.
- Add the required quantity to cart and proceed to checkout.
- For bulk orders (>5 units), RFQ orders, or urgent AOG/plant-shutdown requirements, contact us directly for priority processing and lead-time confirmation.
- Export documentation (commercial invoice, packing list, COO) provided for international shipments.
Technical FAQ
Q: Can I use this extension cable with a non-Bently Nevada probe?
A: No. The 330730-080-03-05 is calibrated as part of the Bently Nevada 3300 XL 8mm system. Using it with probes from other manufacturers will result in incorrect sensitivity and invalidate API 670 compliance.
Q: What is the difference between the -03-05 and -05-05 suffix?
A: The suffix encodes cable length. -03-05 denotes a 0.5 m extension cable in a 5.0 m total system; -05-05 denotes a 2.0 m extension in a 5.0 m system. Always match the suffix to your installation geometry.
Q: Is this item in stock for immediate shipment?
A: Stock availability is shown on the product page. For time-critical requirements, contact [email protected] for real-time inventory confirmation.
Q: Do you provide a warranty?
A: Yes. All components carry a 12-month warranty against manufacturing defects. Warranty claims are processed in accordance with Konmask.com’s standard terms.
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