The Bently Nevada 330730-040-03 3300 XL 11 mm Extension Cable is a precision-engineered component designed to extend the connection between 3300 XL 11 mm proximity probes and their associated Proximitor® sensors. As an essential link in the Bently Nevada machinery protection system, this cable ensures accurate signal transmission and preserves the high-fidelity measurement of vibration and shaft displacement data. Built for demanding industrial environments, it features robust shielding, superior insulation, and exceptional mechanical durability to maintain system reliability even in harsh conditions such as high temperatures, vibration, or chemical exposure.

Product Parameters

Applications

• Turbomachinery Monitoring Systems – Extends probe-to-driver connections for steam, gas, and hydro turbines.

• Compressors and Pumps – Enables flexible installation of vibration and shaft position monitoring systems.

• Generators and Motors – Facilitates reliable transmission of rotor position and vibration signals.

• Industrial Fans and Blowers – Supports vibration monitoring in high-temperature or high-vibration environments.

• Petrochemical Processing Units – Maintains signal integrity in corrosive or hazardous plant conditions.

• Power Generation Facilities – Provides stable connections across large distances in complex monitoring layouts.

Advantages

• High Signal Integrity – Low capacitance and controlled impedance minimize signal distortion for accurate vibration data.

• Rugged Construction – Armored coaxial design offers excellent mechanical protection against crushing, abrasion, and chemical exposure.

• Temperature Resilience – Wide operating and storage temperature range ensures consistent performance in extreme environments.

• Seamless Integration – Fully compatible with 3300 XL proximity probes and Proximitor drivers for easy installation and replacement.

• Enhanced EMI Protection – Multi-layer shielding significantly reduces electromagnetic interference and external noise.

• Low Maintenance – Durable materials and robust connectors reduce the need for frequent inspection or replacement.

FAQ

1. What is the characteristic impedance of the extension cable?

   The cable is designed for a nominal 50 Ω characteristic impedance for optimal signal matching.

2. How does the cable protect against electromagnetic interference?

   A coaxial structure with a grounded braided shield minimizes external noise pickup.

3. Is the cable compatible with all 3300 XL 11 mm proximity probes?

   Yes, it is specifically designed to integrate with the entire 3300 XL 11 mm probe series.

4. What type of connector is used at each end of the cable?

   High-quality coaxial connectors with robust environmental sealing are used for secure attachment.

5. Does the cable require calibration when installed?

   The cable is factory-matched to maintain system calibration; no field calibration is needed if length remains as specified.

6. How does the cable maintain signal integrity over extended runs?

   Controlled capacitance and impedance ensure minimal signal loss and high-frequency fidelity.

7. Can this cable operate in high-vibration environments?

   Yes, its rugged construction allows stable performance even in areas of continuous vibration.

8. What materials are used for the outer jacket?

   A high-temperature fluoropolymer jacket provides chemical and abrasion resistance.

9. How is moisture ingress prevented at the connectors?

   Sealed connectors and gaskets maintain IP67-level protection when properly installed.

10. Is the cable suitable for hazardous area installations?

    Yes, it can be used in classified hazardous zones when installed according to Bently Nevada guidelines.