Bently Nevada 330930-045-02-00 Extension Cable — Product Description and Technical Specifications

1. Product Overview

The Bently Nevada 330930-045-02-00 is a 3300 XL NSv extension cable designed for use in industrial proximity measurement and machinery condition-monitoring systems. Its main function is to connect a compatible proximity probe to a Proximitor Sensor, extending the electrical connection while carrying the measurement signal required for shaft-displacement and vibration monitoring.

This model has a nominal cable length of 4.5 metres (14.8 feet). Its ordering code identifies a stainless-steel-armored cable configuration without an FEP outer jacket, with the agency-approval option set to “not required.”

The cable is intended for use as part of a compatible transducer system rather than as a general-purpose electrical cable. Correct cable selection depends on the probe, Proximitor Sensor, total system length, connector arrangement, installation environment, and the requirements of the monitoring equipment.

2. Basic Product Information

The shipping weight should not be treated as the cable’s net weight. Packaging, protective materials, and order-specific packing can affect the shipped mass.

3. Detailed Technical Specifications

The following specifications describe the key electrical, mechanical, and environmental characteristics of the 330930-045-02-00 extension cable. Values that depend on the complete transducer configuration should be checked against the equipment’s installation documentation.

The nominal electrical values above are useful for preliminary engineering checks. They should not be treated as a substitute for the full system specifications, especially when replacing an existing cable or commissioning a new measurement loop.

4. Model Number Breakdown

The part number 330930-045-02-00 identifies the product family and its selected cable options.

The code is important when ordering a replacement. Two cables may have the same nominal length but differ in armor, outer-jacket construction, connector protection, or approval configuration.

A replacement should therefore be selected by the complete part number, not by length alone. The option definitions for this model are consistent with the published 3300 XL NSv ordering scheme.

Instrumart

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5. Product Introduction

The 330930-045-02-00 is an extension cable for a proximity transducer system used to monitor the relative position and movement of rotating machinery components. It provides the electrical connection between a compatible proximity probe and its associated Proximitor Sensor.

In a typical installation, the proximity probe is mounted close to a rotating shaft or another conductive target. The probe and Proximitor Sensor operate as a measurement system, converting changes in the probe-to-target gap into an electrical signal that can be used by monitoring equipment. The extension cable forms part of this signal path.

The 4.5 m cable length allows the probe and sensor to be positioned according to the equipment layout, provided that the complete system meets the required electrical and mechanical configuration.

The cable’s stainless-steel armor provides an additional mechanical protective layer. This can be useful in industrial installations where cables may be exposed to incidental contact, vibration, or routine maintenance activity. Because this version does not include the specified FEP outer jacket, it should not be assumed to offer the same external protection as an otherwise similar cable with that jacket.

The model is designed for use within a compatible 3300 XL NSv system. It is not simply a generic cable that can be substituted for any coaxial lead: cable impedance, capacitance, connector compatibility, and total system length all matter for reliable measurement.

6. Product Applications

6.1 Rotating machinery vibration monitoring

One of the primary applications of a proximity transducer system is monitoring shaft vibration in rotating equipment. A compatible probe measures the movement of a conductive shaft relative to the probe tip, while the extension cable carries the signal between the probe and sensor.

This type of measurement can help maintenance teams identify changes in machine behavior, including developing imbalance, misalignment, mechanical looseness, and other conditions that may require investigation. The extension cable does not diagnose these faults by itself; it supports the measurement system used to obtain the relevant data.

6.2 Turbine monitoring

In suitable turbine installations, proximity probes may be used to measure shaft position and vibration. The extension cable connects the sensing components to the appropriate sensor electronics, allowing the measurement system to be arranged around the turbine casing and nearby monitoring equipment.

The cable length must be chosen with the probe and sensor combination in mind. The required system length should be confirmed before installation.

6.3 Compressor systems

Industrial compressors often operate continuously and may be costly to shut down. Proximity measurement systems can support condition monitoring by tracking shaft motion and providing information for maintenance planning.

The 330930-045-02-00 may be considered where a compatible 3300 XL NSv system is installed and the 4.5 m length and armored construction suit the machine layout.

6.4 Pumps and other rotating equipment

In compatible pump and rotating-equipment installations, proximity monitoring can help track shaft movement and changes in mechanical condition. The extension cable supports the electrical connection between the probe and sensor.

Selection should account for the installation environment, cable routing, connector access, exposure to fluids, and mechanical protection requirements.

6.5 Industrial machinery protection systems

The cable may form part of a larger machinery protection arrangement that supplies measurement signals to monitoring and protection equipment. Depending on the complete system, these measurements may be used for alarms, trending, operator displays, and shutdown logic.

The cable itself is a passive connection component. It does not independently generate vibration measurements, analyze faults, or issue protective shutdown commands.

7. Product Advantages

7.1 Stainless-steel armored construction

The stainless-steel armor provides additional protection against mechanical contact and handling-related damage compared with an unarmored cable configuration. This can be helpful when routing the cable through machinery areas where cables may be exposed to accidental knocks or contact with nearby components.

Armor does not make a cable indestructible. Proper routing, bend-radius control, strain relief, and connector protection remain important.

7.2 A practical 4.5 m cable length

The 4.5 m length offers flexibility when arranging compatible probes and sensor electronics around industrial machinery. It can help accommodate installations where a shorter cable would not reach comfortably but a longer cable would create unnecessary slack.

Before installation, the required probe length and extension-cable length should be checked against the total length specified for the Proximitor Sensor system.

7.3 Electrical characteristics suited to the designated system

The cable’s nominal impedance and capacitance are important to maintaining the intended electrical behavior of the proximity transducer system. Using the correct cable type helps avoid introducing unnecessary changes to the measurement circuit.

A cable with a different impedance or unsuitable electrical characteristics should not be substituted solely because its connector appears to fit.

7.4 Suitable for industrial maintenance programs

As a component within a compatible condition-monitoring system, the extension cable can support routine machinery inspection, maintenance, and replacement activities.

Keeping the exact part number on maintenance records makes it easier to identify the correct spare and reduces the risk of confusing similar cable options.

7.5 Straightforward replacement identification

The complete model number identifies the cable length, armor configuration, and approval option. These details simplify spare-parts management and help technicians distinguish this cable from other 330930 configurations.

7.6 No unnecessary approval option in the specified configuration

The final code 00 indicates that an agency-approval option is not required for this ordered configuration. This should not be interpreted as universal certification for every hazardous or regulated installation. The requirements of the site, machine, and complete monitoring system must still be checked.

8. Installation and Selection Considerations

Before installing or replacing the 330930-045-02-00, consider the following points.

– Confirm system compatibility. Verify that the cable is intended for the particular probe and Proximitor Sensor being used.

– Check the complete system length. The probe length and extension-cable length must match the total system length specified for the sensor.

– Inspect the connectors. Check for contamination, bent contacts, looseness, corrosion, or visible mechanical damage before making the connection.

– Avoid excessive bending. Follow the applicable minimum bend radius and avoid twisting, crushing, or sharply bending the armored cable.

– Provide suitable strain relief. Do not allow the cable’s weight or movement to place unnecessary stress on the connectors.

– Route away from avoidable hazards. Keep the cable away from sharp edges, moving components, high-stress pinch points, and sources of mechanical damage.

– Confirm environmental suitability. The absence of an FEP outer jacket matters when selecting the cable for a particular environment. Check the complete specification if exposure to oil, moisture, chemicals, or other substances is expected.

– Verify the signal after installation. Follow the equipment manufacturer’s commissioning procedure and check the measurement system before returning the machinery to service.

9. Five Related Models in the Same Series

The following models are related 330930 extension-cable configurations or closely associated components. The cable models differ mainly in length and construction. The probe and sensor models serve different functions and should not be considered direct cable replacements.

The 330930 cable variants are useful for comparing installation length and cable construction. The 330980 sensor is included as a related system component rather than as a direct substitute. Confirm the exact ordering configuration before purchase.

Instrumart

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10. Five Popular Models from the Same Brand

These models are commonly encountered in industrial machinery monitoring and protection applications. They cover different functions, including proximity probes, extension cables, sensors, and monitoring modules. Their inclusion does not imply that they can replace one another.

These products are relevant when maintaining a complete monitoring system: probes perform the sensing function, extension cables provide the connection, Proximitor Sensors condition the probe signal, and rack-mounted monitor modules process measurement inputs within a compatible protection system. The precise compatibility of any combination must be established from the complete model specifications.

wtui.com

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11. Product Selection Comparison

When deciding whether the 330930-045-02-00 is suitable for an installation, the following comparison can help clarify the most important requirements.

12. Maintenance and Storage Recommendations

Store the cable in a clean, dry area and protect its connectors from dust, moisture, and accidental impact. Avoid placing heavy objects on the coiled cable, and do not use tight bends or sharp ties that may damage the cable structure.

During maintenance inspections, check for crushed armor, exposed or damaged cable sections, loose connector interfaces, corrosion, and signs of overheating. If the cable has been subjected to significant mechanical stress or if the measurement signal becomes unstable, inspect the complete connection path rather than assuming the probe or monitoring module is the only possible cause.

When replacing a cable, record the old and new part numbers and confirm that the installed cable matches the specified length and construction. If the system produces an unexpected reading after replacement, check the complete probe-cable-sensor combination and follow the approved commissioning procedure.

13. Summary

The Bently Nevada 330930-045-02-00 is a 4.5 m extension cable in the 3300 XL NSv family. Its defining characteristics are stainless-steel armor, the absence of an FEP outer jacket, and an agency-approval option of 00.

Its role is to provide the correct electrical connection between compatible proximity-system components. The most important factors when selecting this model are the required cable length, the complete transducer system configuration, the installation environment, and the specified cable construction.

For purchasing and engineering records, the nominal cable length and option codes can be stated confidently, but net weight and package dimensions should be confirmed for the actual supplied unit rather than inferred from shipping estimates.