System Overview
The Bently Nevada 330854-040-24-CN 3300 XL 25 mm Extension Cable is a precision-engineered component developed for the 3300 XL 25 mm Proximity Transducer System. It provides a dependable connection between the proximity probe and Proximitor® sensor, ensuring stable signal transmission for accurate machinery condition monitoring.
Configured with a 4.0-meter High Temperature FluidLoc® cable, this model is designed for applications involving high temperatures, vibration, and harsh industrial environments. The CN approval option includes ATEX, IECEx, and Chinese NEPSI hazardous area certifications, making it suitable for installations where compliance with international hazardous location standards is required.
Technical Specifications
| Item | Description |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330854-040-24-CN |
| Product Type | 3300 XL 25 mm Extension Cable |
| Product Series | 3300 XL 25 mm Proximity Transducer System |
| Cable Length | 4.0 m (13.1 ft) |
| Cable Configuration | High Temperature FluidLoc® Cable |
| Cable Construction | 75 Ω Triaxial PFA-Insulated FluidLoc Cable |
| Typical Cable Capacitance | 69.9 pF/m (21.3 pF/ft) |
| Operating Temperature | -35°C to +200°C |
| Storage Temperature | -35°C to +200°C |
| Hazardous Area Approval | CN – ATEX / IECEx / Chinese NEPSI |
| Approximate Dimensions | 240 × 120 × 90 mm (packaged) |
| Approximate Weight | 0.14 kg |
Industrial Applications
The 330854-040-24-CN extension cable is widely deployed in critical machinery protection systems where reliable proximity measurements are essential for operational safety and equipment availability.
Typical applications include:
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Steam turbine supervisory instrumentation (TSI)
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Gas turbine monitoring systems
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Differential expansion measurement
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Centrifugal compressor protection
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Industrial generator monitoring
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Petrochemical processing plants
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Oil and gas production facilities
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Power generation stations
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Chemical manufacturing plants
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Heavy rotating machinery diagnostics
Performance Benefits
Designed for long-term industrial service, this extension cable combines durability with dependable electrical performance to support continuous machinery monitoring.
Key advantages include:
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Optimized signal transmission for precise vibration and displacement measurements
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High Temperature FluidLoc® technology helps prevent moisture ingress
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Excellent resistance to heat, oil, and industrial contaminants
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Rugged PFA-insulated triaxial cable construction
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Maintains system calibration and measurement stability
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Flexible 4-meter cable simplifies installation in complex equipment layouts
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Suitable for continuous operation in demanding environments
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Certified for hazardous locations with ATEX, IECEx, and Chinese NEPSI approvals
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Supports reduced maintenance and improved equipment availability
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Designed for seamless integration with the 3300 XL 25 mm monitoring system
Technical FAQs
1. What is the primary function of the 330854-040-24-CN extension cable?
It connects the proximity probe to the Proximitor sensor while maintaining accurate signal transmission within the monitoring system.
2. What is the cable length?
The cable length is 4.0 meters (13.1 feet).
3. Which transducer system is it designed for?
It is specifically designed for the Bently Nevada 3300 XL 25 mm Proximity Transducer System.
4. What does the "24" option indicate?
It specifies the High Temperature FluidLoc® cable configuration for high-temperature industrial applications.
5. What does the "CN" suffix represent?
The CN option indicates hazardous area approvals including ATEX, IECEx, and Chinese NEPSI certifications.
6. What operating temperature can this cable withstand?
It is designed to operate continuously between -35°C and +200°C.
7. What cable construction is used?
The cable features a 75 Ω triaxial design with durable PFA insulation for reliable electrical performance.
8. Is the cable suitable for steam turbine monitoring?
Yes. It is commonly used in steam turbine differential expansion and vibration monitoring systems.
9. Can this cable be installed in hazardous locations?
Yes. The CN approval option allows installation in certified hazardous environments when used in accordance with applicable installation requirements.
10. Why is using the correct extension cable important?
Using the specified extension cable helps preserve factory-calibrated system performance, ensuring accurate machinery protection and long-term monitoring reliability.
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