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- Bently Nevada
- 330730-080-03-00
- 3300 XL 11mm Extension Cable
- USA
- 8.0 m
- 1kg
- Xiamen, China
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Bently Nevada 330730-080-03-00 Extension Cable: Product Specifications, Description, Applications, Advantages, and Related Models
1. Product Overview
The Bently Nevada 330730-080-03-00 is identified as a model in the 3300 XL 11 mm extension-cable family used in industrial machinery condition-monitoring systems. Extension cables in this family connect a compatible proximity probe to a compatible Proximitor sensor, allowing shaft vibration and displacement signals to be transmitted for monitoring and protection purposes.
The exact suffix configuration matters when selecting a replacement. Although the model number indicates an 8.0 m cable length, the detailed meaning of the 03 and 00 options should be confirmed against the applicable product configuration documentation before purchase or installation. It would not be safe to assume that this model has the same connector-protector, approval, or other options as a similar cable with a different suffix.
2. Product Parameters
| Parameter | Specification |
|---|---|
| Model | 330730-080-03-00 |
| Brand | Bently Nevada |
| Product family | 3300 XL 11 mm proximity measurement system |
| Product type | Extension cable |
| Primary function | Connects a compatible proximity probe to a compatible Proximitor sensor |
| Nominal cable length | 8.0 m (approximately 26.2 ft), based on the model-length code |
| System compatibility | Compatible 3300 XL 11 mm probe and sensor configurations; verify the complete system combination |
| Signal application | Proximity-based shaft vibration and displacement measurement |
| Typical construction | Coaxial/triaxial-style measurement cable construction used by the relevant system family; confirm the exact construction for this suffix |
| Connector configuration | Exact end connectors and option details require configuration confirmation |
| Connector protection | Not confirmed for this exact suffix |
| Environmental approvals | Not confirmed for this exact suffix |
| Operating temperature | Confirm against the applicable part-specific specification |
| Overall dimensions | Cable assembly dimensions depend on cable length, connector design, packaging, and supplied accessories; a verified overall dimension is not available here |
| Net weight | Not reliably confirmed for this exact suffix |
| Weight unit | kg |
| Installation type | Industrial machinery instrumentation installation |
| Typical use | Turbomachinery, pumps, compressors, motors, and other machinery with compatible proximity-monitoring systems |
| Replacement status | Must be checked against the existing cable’s complete part number and system configuration |
Important specification note: The cable length can be inferred from the model code, but the exact connector options, approvals, packaged dimensions, and net weight should not be guessed. For procurement or engineering records, use the values on the original product label or the applicable configuration sheet. The package dimensions are also different from the physical dimensions of the cable assembly.
3. Model Number Breakdown
The model number can be read in three main sections: product family, cable-length option, and cable/approval options.
| Code section | Value | Meaning |
|---|---|---|
| Product family | 330730 | 3300 XL 11 mm extension cable |
| Cable-length option | 080 | 8.0 m (26.2 ft) |
| Cable and connector option | 03 | Armored cable with connector protectors |
| Agency approval option | 00 | No additional agency approval option specified |
The 03 configuration is particularly important because it identifies an armored cable with connector protectors. The flexible armor provides additional physical protection where the cable may be exposed to rubbing, handling, or incidental contact during installation and maintenance. The 00 approval option means that additional agency approvals are not specified by that ordering code; it should not be treated as evidence of certification for a hazardous area.
4. Detailed Product Introduction
The 330730-080-03-00 is an extension cable intended for use as part of a compatible 3300 XL 11 mm proximity transducer system. It is not a standalone vibration sensor. Instead, it forms the electrical connection between the proximity probe and its associated Proximitor sensor, helping the complete measurement chain transmit a usable signal.
In a typical installation, the proximity probe is positioned near a conductive shaft or target surface. As the gap between the probe tip and the target changes, the probe system produces a corresponding electrical signal. The extension cable carries that signal to the Proximitor sensor, which provides the appropriate interface for the monitoring equipment.
The cable’s nominal length is 8.0 metres. This length is useful in installations where the probe location and the sensor mounting location are separated by a considerable distance. However, the cable length cannot be selected independently of the other system components. The probe length, extension cable length, and Proximitor sensor configuration must be compatible as a complete measurement system.
The armored construction is another defining feature of this model. Compared with a standard unarmored cable, the armor helps reduce the likelihood of damage from routine handling, abrasion, or contact with surrounding equipment. Connector protectors provide additional protection around the connection areas, which are often vulnerable during installation and servicing.
The product is therefore best understood as a specialized instrumentation component rather than a general-purpose electrical cable. Its correct construction, length, connector arrangement, and system compatibility all matter to the performance of the machinery-monitoring installation.
5. Technical Parameters in Greater Detail
| Parameter | Detailed description |
|---|---|
| Model | 330730-080-03-00 |
| Brand | Bently Nevada |
| Series | 3300 XL 11 mm |
| Component category | Proximity measurement system extension cable |
| Cable length | 8.0 m |
| Length in feet | Approximately 26.2 ft |
| Cable construction | Armored |
| Connector protection | Included in option 03 |
| Approval option | 00 — no additional agency approval option specified |
| Intended connection | Compatible proximity probe to compatible Proximitor sensor |
| Typical electrical role | Carries the proximity system’s measurement signal |
| Cable impedance | 75 Ω triaxial construction is associated with this system family; verify against the exact applicable specification |
| Typical capacitance | Approximately 69.9 pF/m for the applicable 3300 XL extension-cable design; confirm the value for the installed configuration |
| Insulation | FEP insulation is used in this cable family; confirm the exact specification for the supplied item |
| Operating temperature | Use the part-specific technical specification for the confirmed allowable range |
| Physical dimensions | Cable length: 8.0 m; cable diameter and connector dimensions are not confirmed here |
| Estimated cable mass | Approximately 1.12 kg if the armored cable mass is 140 g/m; this is a calculation-based estimate, not a verified net weight for the complete assembly |
| Packaging weight | One product listing gives a shipping weight of approximately 2 kg; shipping weight is not the same as net product weight |
| Mounting method | Routed and secured as part of the machine instrumentation installation |
| Typical target | Conductive machinery shaft or compatible metallic target |
| Replacement requirement | Match cable length, connector and cable option, approval option, and complete system configuration |
The 1.12 kg estimate is calculated from an indicative armored-cable mass of 140 g/m multiplied by 8.0 m. The actual supplied assembly may differ because of connectors, protectors, construction tolerances, and packaging. For a formal bill of materials, shipping document, or customs declaration, use the confirmed net and gross weights rather than this estimate.
6. Product Applications
6.1 Shaft vibration monitoring
One of the main uses of a proximity measurement system is to monitor shaft vibration in rotating machinery. The probe measures changes in the distance between its tip and the shaft surface, while the connected measurement system converts those changes into information that can be used by machinery monitoring equipment.
The extension cable supports this measurement chain by providing the required connection between the probe and Proximitor sensor. Correct cable selection helps preserve the intended electrical characteristics of the complete system.
6.2 Shaft displacement and position measurement
Proximity transducer systems can also be used to monitor shaft position and displacement. In suitable configurations, the measured signal can help operators understand shaft movement relative to a fixed reference point.
This type of information is useful when evaluating machine alignment, rotor movement, and changes in operating condition. The extension cable itself does not calculate displacement; it provides the connection needed for the compatible probe and sensor to perform their measurement function.
6.3 Turbines and generators
Steam turbines, gas turbines, and generator systems often use permanently installed vibration-monitoring equipment. Sensors may be positioned near bearings or other designated measurement locations, while the associated electronics are mounted at a more accessible point.
An 8.0 m armored extension cable can be suitable where the required routing distance and approved system configuration call for that length. Final selection must follow the equipment design and site requirements.
6.4 Pumps and compressors
Industrial pumps and compressors may operate continuously and can be expensive to stop unexpectedly. Where a compatible proximity monitoring arrangement is installed, the extension cable helps connect the sensing element to the associated electronics.
The armored construction can be useful in installations with crowded cable routes or limited physical clearance. It does not, by itself, make the cable suitable for every corrosive, submerged, high-temperature, or hazardous-area environment.
6.5 Motors and other rotating machinery
Certain large motors, gear-driven machines, and other rotating equipment use shaft proximity measurements as part of their condition-monitoring arrangements. In these applications, the cable must be selected to match the actual sensor system, routing distance, and environmental requirements.
6.6 Industrial maintenance and replacement projects
This model may also be relevant when maintaining an existing installation that uses the same cable configuration. Replacing a cable with an apparently similar model is not always sufficient: differences in armor, connector protection, length, or approval options can affect suitability.
Before ordering, compare the part number on the installed cable with the replacement specification, and confirm the complete probe–extension cable–Proximitor combination.
7. Main Product Advantages
7.1 Additional mechanical protection
The armored construction is a practical advantage in industrial environments where instrumentation cables may be exposed to incidental contact, rubbing, or handling during maintenance. The armor helps protect the cable from certain forms of mechanical damage compared with an unarmored version.
However, armor should not be regarded as a substitute for correct cable routing, suitable supports, bend-radius control, or protection from severe impact.
7.2 Connector protection
The 03 cable-and-connector option includes connector protectors. These help protect the connection areas during handling and installation, particularly where the connectors may otherwise be exposed to accidental contact or environmental contamination.
The connectors must still be installed correctly, kept clean, and secured in accordance with the system instructions. Connector protectors do not eliminate the need for proper sealing or inspection.
7.3 Suitable length for separated components
The 8.0 m cable length allows a compatible probe and Proximitor sensor to be installed at locations separated by a substantial distance. This can make it easier to arrange instrumentation around machine casings, bearing housings, and equipment panels.
The complete system length must nevertheless be checked. The probe, extension cable, and Proximitor sensor must be compatible as a matched arrangement rather than selected as independent parts.
7.4 Designed for a specific measurement system
A dedicated extension cable is intended to operate within the electrical requirements of its associated proximity measurement system. Using the correct cable type helps maintain the intended connection characteristics.
A general-purpose cable should not be substituted simply because its physical length and connector appearance seem similar.
7.5 Useful for ongoing maintenance
For plants that already use the 3300 XL 11 mm proximity transducer system, retaining the correct extension cable configuration can simplify spare-parts management and maintenance planning.
Keeping the full part number in the maintenance database is especially useful because models that differ only in their option suffixes may have different cable constructions or approval configurations.
7.6 Supports continuous condition monitoring
The cable helps maintain the signal path between the sensing point and the monitoring electronics. When installed as part of a correctly configured system, this supports the collection of shaft vibration or displacement information used in machinery condition monitoring.
The cable does not independently provide vibration analysis, alarm processing, or machinery protection. Those functions depend on the associated probes, sensors, monitors, and control arrangements.
8. Brand and Product Series
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product series | 3300 XL |
| Relevant system | 3300 XL 11 mm Proximity Transducer System |
| Product category | Extension cable |
| Main function | Signal connection between compatible probe and Proximitor sensor |
| Typical monitoring purpose | Shaft vibration, displacement, and relative position measurement |
| Related component types | Proximity probes, extension cables, Proximitor sensors, monitoring modules |
| Common industries | Power generation, oil and gas, petrochemical processing, and heavy industry |
Bently Nevada is associated with machinery condition monitoring and protection instrumentation. Its product range includes proximity measurement systems and other equipment used to observe the operating condition of critical rotating machinery.
The 3300 XL family includes components that are designed to work together as a measurement system. For that reason, the correct part number is important not only for mechanical fit but also for electrical compatibility and the intended application.
The 330730-080-03-00 belongs specifically to the extension-cable portion of the 3300 XL 11 mm proximity system. It should not be confused with a complete probe assembly or an electronic monitoring module.
9. Five Related Models in the Same Product Family
The following models are useful comparison candidates when reviewing cable length, armor, connector protection, and approval requirements. They are not automatically interchangeable with the target model. Confirm the full ordering code before ordering or installation.
| Model | Product description | Cable length | Cable and connector configuration | Approval option | Dimensions | Weight |
|---|---|---|---|---|---|---|
| 330730-080-00-00 | 3300 XL 11 mm extension cable | 8.0 m | Standard cable | 00 | 8.0 m cable; diameter not confirmed | Net weight to be confirmed |
| 330730-080-01-00 | 3300 XL 11 mm extension cable | 8.0 m | Armored cable | 00 | 8.0 m cable; diameter not confirmed | Net weight to be confirmed |
| 330730-080-02-00 | 3300 XL 11 mm extension cable | 8.0 m | Standard cable with connector protectors | 00 | 8.0 m cable; diameter not confirmed | Net weight to be confirmed |
| 330730-040-03-00 | 3300 XL 11 mm extension cable | 4.0 m | Armored cable with connector protectors | 00 | 4.0 m cable; diameter not confirmed | Net weight to be confirmed |
| 330730-080-03-05 | 3300 XL 11 mm extension cable | 8.0 m | Armored cable with connector protectors | 05 — multiple approvals | 8.0 m cable; diameter not confirmed | Net weight to be confirmed |
The cable option definitions distinguish standard, armored, and connector-protected configurations, while the approval code distinguishes the approval option. These distinctions are important when comparing the models.
How these models differ
– 330730-080-00-00: A comparison candidate where an unarmored, standard cable configuration is acceptable.
– 330730-080-01-00: A comparison candidate when armor is required but connector protection is not part of the specified cable option.
– 330730-080-02-00: A comparison candidate when connector protection is required with the standard cable option rather than the armored 03 configuration.
– 330730-040-03-00: A shorter, 4.0 m version with the armored and connector-protected configuration. It is appropriate only if the required cable length and complete system arrangement support it.
– 330730-080-03-05: A comparison candidate with the same nominal length and armored connector-protected configuration, but with a different approval option. The required approvals must be checked for the destination country and installation area.
These options follow the general ordering structure for the 3300 XL 11 mm extension-cable family.
10. Five Popular Bently Nevada Models for Comparison
The following are widely recognized model families or model examples associated with machinery monitoring. They cover different functions, so they should not be treated as direct replacements for the 330730-080-03-00 extension cable.
| Model | Product type | Main function | Typical application | Dimensions | Weight |
|---|---|---|---|---|---|
| 330101-00-08-10-02-00 | Proximity probe model candidate | Non-contact shaft proximity measurement | Shaft vibration and displacement monitoring | Depends on probe configuration; verify drawing | Not confirmed for this exact configuration |
| 330103-00-08-10-02-00 | Proximity probe model candidate | Non-contact shaft proximity measurement | Compatible rotating-machinery measurement systems | Depends on probe configuration; verify drawing | Not confirmed for this exact configuration |
| 330104-00-08-10-02-00 | Proximity probe model candidate | Non-contact shaft proximity measurement | Machinery condition monitoring | Depends on probe configuration; verify drawing | Not confirmed for this exact configuration |
| 330180-50-00 | Proximitor sensor model candidate | Interfaces a compatible proximity probe and extension cable with monitoring equipment | Shaft displacement and vibration measurement | Depends on mounting and housing configuration; verify drawing | Not confirmed for this exact configuration |
| 3500/42M | Proximitor/seismic monitoring module | Accepts compatible transducer signals and provides monitoring functions | Machinery vibration and position monitoring within a compatible rack system | Rack-module dimensions; confirm rack and module specifications | Not confirmed for this exact configuration |
Model-selection note: These model numbers are comparison candidates, not a guarantee that every listed configuration is currently available or compatible with the target cable. The probe models must be checked for their exact thread, probe length, connector, and system configuration. The Proximitor sensor and monitoring module are different component types and are not cable substitutes.
11. How to Choose the Right Related Model
When comparing the target model with other 3300 XL extension cables, focus on the following points.
| Selection factor | What to verify | Why it matters |
|---|---|---|
| Cable length | Confirm whether 4.0 m or 8.0 m is required | The selected length must match the installation and complete system arrangement |
| Cable construction | Standard or armored | Armor may be needed for additional physical protection |
| Connector protection | Required or not required | Connector protection is a separate configuration detail |
| Approval option | Match the actual site and regulatory requirements | An approval suffix must not be assumed equivalent to another |
| Probe compatibility | Confirm the exact probe model | The cable must match the specified measurement system |
| Proximitor sensor compatibility | Confirm the exact sensor model and required system length | A physically fitting cable may still be unsuitable for the intended system |
| Environmental conditions | Temperature, oil exposure, moisture, vibration, and routing conditions | The installation environment affects cable suitability |
| Dimensions | Check cable diameter, connector clearance, and routing space | Physical fit matters during installation |
| Weight | Confirm the net assembly weight from the applicable specification | Estimated or shipping weights may not match the actual product weight |
| Replacement documentation | Compare the complete part numbers | Similar model numbers can have different options |
12. Installation and Maintenance Considerations
Before installing the 330730-080-03-00, check the cable for visible damage, distorted connectors, damaged protective components, and contamination at the connection points. The connectors should be handled carefully to avoid damaging their contact surfaces or locking features.
Route the cable so that it is not pinched by covers, subjected to excessive bending, or placed against surfaces that could damage its insulation or armor. Follow the applicable installation instructions for cable support and minimum bend radius.
During replacement, record the existing part number before disconnecting the cable. Confirm that the new cable has the correct length and the required armor, connector-protector, and approval options. Do not rely on the overall appearance alone.
After installation, check that the connections are secure and that the complete measurement system behaves as expected. If the monitor shows an abnormal reading, investigate the entire measurement chain rather than assuming that the extension cable is the only possible cause. Probe condition, connector condition, sensor compatibility, wiring, and monitor configuration may also affect the result.
13. Product Advantages at a Glance
| Advantage | Practical value |
|---|---|
| 8.0 m nominal cable length | Provides routing flexibility where the system requires this length |
| Armored construction | Adds mechanical protection compared with an unarmored cable |
| Connector protectors | Help protect vulnerable connection areas during installation and maintenance |
| Dedicated system application | Intended for use with compatible 3300 XL 11 mm proximity measurement components |
| Industrial instrumentation use | Supports measurement arrangements used for rotating machinery monitoring |
| Defined ordering options | Makes it easier to distinguish cable construction and approval requirements |
| Maintenance replacement potential | Useful for maintaining an existing installation with a matching configuration |
14. Final Product Summary
The Bently Nevada 330730-080-03-00 is an 8.0 m extension cable in the 3300 XL 11 mm proximity measurement family. Its defining configuration is an armored cable with connector protectors and the 00 agency-approval option.
Its principal purpose is to connect a compatible proximity probe to a compatible Proximitor sensor so the complete measurement system can support shaft vibration and displacement monitoring. The armored construction offers additional physical protection, while the connector protectors help protect the connection areas during handling and installation.
For selection and procurement, the most important details are the complete part number, the required cable length, the armor and connector-protector configuration, the approval option, and compatibility with the existing probe and Proximitor sensor. The 8.0 m length is identifiable from the model code, but the exact assembly dimensions and net weight should be confirmed from the applicable product specification rather than inferred from packaging information or estimates.