Overview
The Bently Nevada 330854-040-25-00 3300 XL 25 mm Extension Cable is a rugged industrial extension cable designed for use with the 3300 XL 25 mm Proximity Transducer System. It provides a secure electrical connection between the proximity probe and the Proximitor® sensor, helping maintain accurate vibration and displacement measurements for critical rotating machinery.
This model features a 4.0-meter (13.1-foot) Armored High Temperature FluidLoc® cable, offering enhanced mechanical protection against abrasion, impact, and demanding installation environments. With its durable armored construction and high-temperature capability, the 330854-040-25-00 is an ideal solution for power generation, oil and gas, petrochemical, and other heavy industrial applications requiring dependable machinery monitoring.
Engineering Specifications
| Item | Description |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330854-040-25-00 |
| Product Type | 3300 XL 25 mm Extension Cable |
| Series | 3300 XL 25 mm Proximity Transducer System |
| Cable Length | 4.0 m (13.1 ft) |
| Armor & Cable Option | Armored 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 |
| Agency Approval | 00 – No Approvals |
| Approximate Dimensions | 241 × 117 × 89 mm |
| Approximate Weight | Approx. 0.15 kg |
Typical Applications
Designed for reliable operation in harsh industrial environments, the 330854-040-25-00 extension cable is widely used in machinery protection and condition monitoring systems.
Typical applications include:
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Steam turbine differential expansion monitoring
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Gas turbine vibration measurement
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Centrifugal compressor protection
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Industrial generator monitoring
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High-speed rotating equipment
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Oil and gas processing facilities
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Petrochemical production plants
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Thermal and combined-cycle power stations
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Chemical processing systems
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Heavy industrial machinery diagnostics
Key Advantages
Built to meet the demanding requirements of industrial condition monitoring, this extension cable delivers dependable performance and long-term durability.
Key benefits include:
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Armored cable construction provides superior mechanical protection
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High Temperature FluidLoc® technology helps prevent moisture ingress
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Maintains stable signal transmission for accurate measurements
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Excellent resistance to heat, oil, chemicals, and industrial contaminants
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Durable PFA-insulated triaxial cable ensures long service life
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Designed for reliable operation in harsh industrial environments
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Supports accurate vibration, displacement, and shaft position monitoring
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Simplifies installation with a flexible 4-meter cable length
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Compatible with the complete 3300 XL 25 mm monitoring system
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Helps improve equipment availability while reducing maintenance costs.
Technical FAQs
1. What is the primary function of the 330854-040-25-00 extension cable?
It transmits signals between the 25 mm proximity probe and the Proximitor sensor while maintaining measurement accuracy.
2. How long is this extension cable?
The cable has a standard length of 4.0 meters (13.1 feet).
3. What does the "-25" option indicate?
The "-25" configuration specifies an Armored High Temperature FluidLoc® cable, providing additional mechanical protection for demanding installations.
4. What does the "-00" suffix represent?
It indicates that the product is supplied without agency approvals.
5. Which monitoring system is this cable designed for?
It is designed specifically for the Bently Nevada 3300 XL 25 mm Proximity Transducer System.
6. What operating temperature range does it support?
The cable is rated for continuous operation from -35°C to +200°C.
7. What type of insulation is used?
It uses a 75 Ω triaxial PFA-insulated FluidLoc® cable, engineered for excellent electrical stability and durability.
8. Why choose an armored cable version?
The armored construction offers additional protection against abrasion, mechanical impact, and physical damage, making it suitable for challenging industrial environments.
9. Which industries commonly use this extension cable?
It is frequently installed in power generation, petrochemical, oil and gas, mining, and heavy manufacturing facilities.
10. Why is selecting the correct extension cable important?
Using the specified extension cable helps preserve factory-calibrated system performance, ensuring reliable machinery protection and accurate long-term monitoring.
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