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- Bently Nevada
- 330730-080-03-CN
- 3300 XL 11mm Extension Cable
- USA
- 8.0 m
- 1kg
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Bently Nevada 330730-080-03-CN Extension Cable: Product Specifications, Applications, Advantages, and Related Models
1. Product Overview
The Bently Nevada 330730-080-03-CN is a model number associated with the 3300 XL 11 mm proximity transducer extension-cable family. This type of cable forms part of a machinery-monitoring measurement chain, connecting a compatible proximity probe to a compatible Proximitor sensor.
The 080 section indicates a nominal cable length of 8.0 m (approximately 26.2 ft). The 03 option is associated with an armored cable configuration with connector protectors. The final CN suffix should be verified against the exact ordering specification; its precise meaning should not be assumed from the suffix alone.
This product is intended for industrial instrumentation installations where the correct electrical characteristics, cable length, connector arrangement, and compatibility with the rest of the transducer system are important.
2. Product Parameters
| Parameter | Specification |
|---|---|
| Model | 330730-080-03-CN |
| Brand | Bently Nevada |
| Product series | 3300 XL 11 mm |
| Product category | Proximity transducer extension cable |
| Primary function | Connects a compatible proximity probe to a compatible Proximitor sensor |
| Nominal cable length | 8.0 m |
| Equivalent length | Approximately 26.2 ft |
| Cable configuration | Armored cable associated with option 03 |
| Connector protection | Connector protectors associated with option 03 |
| Final suffix | CN; exact configuration meaning requires confirmation |
| Typical application | Shaft vibration and displacement measurement |
| System compatibility | Must match the probe, extension cable, and Proximitor sensor combination |
| Cable construction | Specialized instrumentation cable; confirm exact conductor and shielding details for this configuration |
| Nominal impedance | Confirm against the applicable specification |
| Capacitance | Confirm against the applicable specification |
| Insulation material | Confirm against the applicable specification |
| Operating temperature | Confirm against the applicable specification |
| Physical cable length | 8.0 m nominal |
| Cable diameter | Not confirmed for this exact configuration |
| Connector dimensions | Not confirmed for this exact configuration |
| Overall assembly dimensions | Depend on cable and connector design; drawing required |
| Net weight | Not reliably confirmed for this exact configuration |
| Weight unit | kg |
| Packaging dimensions | Not confirmed for this exact configuration |
| Packaging weight | Not confirmed for this exact configuration |
| Installation type | Industrial machinery instrumentation |
| Replacement requirement | Match the complete part number and verify system compatibility |
Dimensions and weight: The 8.0 m figure describes the nominal cable length, not the dimensions of the packaged product. The exact net weight in kilograms and the cable diameter should be confirmed from the applicable product drawing or the supplied unit’s documentation. A precise value should not be invented for procurement or shipping records.
3. Model Number Breakdown
| Code section | Interpretation | Technical significance |
|---|---|---|
| 330730 | 3300 XL 11 mm extension-cable family | Identifies the product family |
| 080 | 8.0 m cable length | Determines the nominal cable length |
| 03 | Armored cable with connector protector | Provides additional mechanical protection and connector protection |
| CN | Country-specific approval option | The exact approval scope must be confirmed for the supplied part |
The CN suffix is important when selecting a cable for a particular installation. Country-specific approval configurations may be intended to meet particular regional certification requirements. The suffix should not be treated as a universal certification statement; the actual approval documentation must match the installation location and applicable hazardous-area classification.
4. Detailed Product Description
The 330730-080-03-CN is designed to form the connection between a compatible 3300 XL 11 mm proximity probe and its associated Proximitor sensor. In a typical installation, the probe is positioned close to a rotating shaft or another suitable conductive target. Changes in the gap between the probe tip and the target produce changes in the electrical signal.
The extension cable carries that signal to the Proximitor sensor, allowing the complete measurement system to provide information for machinery condition monitoring. The cable itself does not measure vibration or calculate shaft displacement; these functions depend on the probe, sensor, and connected monitoring equipment.
The 8.0 m cable length provides flexibility when the probe and sensor need to be installed at different locations around a machine. This can be useful on large rotating equipment, where the sensing point may be near a bearing housing while the associated electronics are installed at a more accessible location.
The armored construction is intended to provide additional protection against mechanical contact and abrasion. Connector protectors help protect the connection areas during installation and maintenance. These features are useful in industrial environments where cable routes may pass near equipment structures, brackets, covers, and other instrumentation wiring.
Because this model includes a country-specific approval option, the approval requirements should be considered alongside its physical and electrical specifications. Selecting the correct cable is not only a matter of choosing the right length; the complete model number and the compatibility of the measurement system also need to be checked.
5. Detailed Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330730-080-03-CN |
| Brand | Bently Nevada |
| Series | 3300 XL 11 mm |
| Product type | Armored extension cable |
| Nominal cable length | 8.0 m |
| Length in feet | Approximately 26.2 ft |
| Cable construction | 75 Ω triaxial |
| Insulation | Fluoroethylene propylene (FEP) |
| Armor | Flexible AISI 302 stainless steel with an FEP outer jacket |
| Connector type | ClickLoc-style connectors for the compatible system |
| Connector contacts | Gold-plated brass is specified for this connector family; confirm the exact supplied configuration |
| Connector protection | Included with option 03 |
| Capacitance | Approximately 69.9 pF/m (21.3 pF/ft) |
| Center-conductor DC resistance, 8.0 m | Approximately 2.0 ± 0.5 Ω |
| Coaxial-conductor DC resistance, 8.0 m | Approximately 0.6 ± 0.2 Ω |
| Operating temperature | Approximately −52°C to +177°C; confirm the applicable product specification |
| Storage temperature | Approximately −52°C to +177°C; confirm the applicable product specification |
| Approval option | CN — country-specific approval configuration |
| Cable diameter | Confirm from the applicable product drawing |
| Connector dimensions | Confirm from the applicable product drawing |
| Overall assembly dimensions | 8.0 m nominal cable length; full dimensions depend on the connector and cable configuration |
| Listed net weight | Approximately 0.36 kg in one product listing; verify against the supplied assembly |
| Calculated armored-cable mass | Approximately 1.12 kg if the cable mass is 140 g/m over 8.0 m |
| Packaging dimensions | Not confirmed |
| Gross shipping weight | Not confirmed |
| Typical installation | Industrial machinery instrumentation |
| Primary application | Shaft vibration and displacement measurement |
| Compatibility | Requires a compatible probe and Proximitor sensor |
Understanding the weight and dimensional figures
There is a significant difference between the listed weight of approximately 0.36 kg and the calculated cable mass of approximately 1.12 kg using a nominal armored-cable mass of 140 g/m. These values should not be treated as equivalent measurements of the same assembly without further confirmation.
For a formal technical record, the correct value should be taken from the applicable product drawing, packaging label, or confirmed product specification. The physical cable length is 8.0 m, but the cable diameter and connector dimensions should not be inferred from the dimensions of a shipping package.
6. Product Applications
6.1 Turbine and generator monitoring
Turbines and generators use permanently installed instrumentation to monitor the condition of critical rotating components. A compatible proximity system can measure shaft vibration or displacement, helping operators identify changes in machine behaviour.
The extension cable provides the connection between the probe and the associated Proximitor sensor. The armored design can be useful where additional protection is required along the cable route.
6.2 Compressor monitoring
Large industrial compressors may operate for extended periods and can be costly to shut down unexpectedly. Proximity measurement systems can provide shaft-related information used in condition monitoring and machinery protection.
The 330730-080-03-CN may be considered where the existing system requires the appropriate 3300 XL 11 mm cable configuration, an 8.0 m length, and the specified approval option.
6.3 Pump and motor applications
Some industrial pumps and motors use proximity probes to monitor shaft movement. In these systems, the extension cable supports the signal connection between the probe and the associated electronics.
The armored construction can help reduce the risk of certain forms of mechanical damage, especially where cables are routed around equipment structures or near maintenance access points.
6.4 Petrochemical and process industries
In process plants, machinery instrumentation may be installed in environments with demanding temperature, vibration, and regulatory requirements. The country-specific approval option makes it particularly important to confirm that the supplied cable is suitable for the actual installation area.
A cable suffix alone should never be used as the sole basis for declaring an installation safe for a hazardous location. The complete equipment certification and installation requirements must be satisfied.
6.5 Shaft displacement measurement
A compatible proximity transducer system can monitor changes in the distance between the probe tip and a shaft surface. Such measurements may be used to observe relative shaft position, movement, and changes in operating condition.
The extension cable carries the measurement signal; the actual measurement function is provided by the complete probe and sensor system.
6.6 Maintenance and replacement projects
The model is also relevant to maintenance teams replacing an existing cable in a 3300 XL 11 mm installation. Matching the complete part number can help avoid errors involving cable length, armor, connector protection, and approval configuration.
Before replacement, compare the existing cable’s full ordering code with the proposed part and confirm that the probe and Proximitor sensor are compatible.
7. Product Advantages
| Advantage | Description | Practical value |
|---|---|---|
| 8.0 m nominal length | Provides a defined cable length for the intended installation | Helps accommodate separation between probe and sensor |
| Armored construction | Adds a protective layer around the cable | Helps reduce damage from abrasion and incidental contact |
| Connector protectors | Protect vulnerable connection areas | Useful during installation and maintenance |
| Specialized cable design | Intended for a compatible proximity measurement system | Helps maintain the required electrical connection |
| FEP insulation | Provides insulation suited to the cable family’s operating requirements | Supports use within the specified temperature and environmental limits |
| Defined approval option | Identifies a country-specific configuration | Helps procurement match regional requirements |
| Maintenance compatibility | Can be used when the existing installation requires the same configuration | Reduces the risk of selecting an unsuitable alternative |
| Industrial application | Intended for machinery instrumentation rather than general-purpose wiring | Supports the needs of continuous condition-monitoring systems |
The main advantage of the 330730-080-03-CN is its combination of a defined cable length, armored construction, connector protection, and an approval-specific configuration. These characteristics can be valuable in an industrial installation, provided that the cable is used with compatible system components and the correct approvals are confirmed.
8. Brand and Product Series
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product series | 3300 XL |
| System family | 3300 XL 11 mm proximity transducer system |
| Component type | Extension cable |
| Main purpose | Signal connection between a compatible probe and Proximitor sensor |
| Typical measurements | Shaft vibration, relative displacement, and position |
| Typical industries | Power generation, oil and gas, petrochemical processing, and heavy industry |
| Related components | Proximity probes, extension cables, Proximitor sensors, and monitoring modules |
The 3300 XL family includes several components that operate together as a measurement system. The extension cable is one part of that system and should be selected with reference to the probe, sensor, and monitor configuration.
A cable with a similar length or connector appearance may not be an appropriate substitute if its electrical characteristics, construction, or approval options differ.
9. Five Same-Series or Related Models
The following models are useful comparison candidates when planning a replacement or reviewing alternative cable configurations. Their complete ordering codes and availability should be confirmed before purchase.
| Model | Product type | Nominal length | Cable construction | Connector protection | Approval configuration | Dimensions | Weight |
|---|---|---|---|---|---|---|---|
| 330730-080-00-00 | 3300 XL extension cable | 8.0 m | Standard configuration | Confirm exact option | 00 option |
Length 8.0 m; diameter to be confirmed | Exact net weight to be confirmed |
| 330730-080-01-00 | 3300 XL extension cable | 8.0 m | Armored configuration | Confirm exact option | 00 option |
Length 8.0 m; diameter to be confirmed | Exact net weight to be confirmed |
| 330730-080-02-00 | 3300 XL extension cable | 8.0 m | Standard cable configuration with connector protectors | Included in the relevant option | 00 option |
Length 8.0 m; diameter to be confirmed | Exact net weight to be confirmed |
| 330730-040-03-CN | 3300 XL extension cable | 4.0 m | Armored configuration | Included | Country-specific option; verify exact ordering code | Length 4.0 m; diameter to be confirmed | Exact net weight to be confirmed |
| 330730-120-03-CN | 3300 XL extension cable candidate | 12.0 m, subject to ordering-code confirmation | Armored configuration with connector protectors, subject to confirmation | Included if the 03 option applies |
Country-specific option; verify exact ordering code | Confirm against product drawing | Exact net weight to be confirmed |
These models should be treated as comparison candidates, not guaranteed direct replacements. In particular, confirm that each complete ordering code is a valid configuration before placing an order.
Model comparison notes
– 330730-080-00-00: A comparison candidate for installations requiring a standard cable configuration without the target model’s armored and country-specific options.
– 330730-080-01-00: A comparison candidate when an armored configuration is required, but the connector-protection and approval requirements differ.
– 330730-080-02-00: A comparison candidate for installations requiring the applicable connector-protector option without the same full configuration as the target model.
– 330730-040-03-CN: A shorter-length candidate where 4.0 m is sufficient. It must not be substituted for an 8.0 m cable unless the complete system design permits the change.
– 330730-120-03-CN: A potential longer-length comparison option. Verify the exact model code and system-length requirements before considering it for procurement.
10. Five Other Bently Nevada Models for Comparison
The following examples cover other component types used in machinery monitoring. They are not direct replacements for the extension cable; they may be relevant when reviewing the complete measurement and protection system.
| 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; product drawing required | Exact configuration weight to be confirmed |
| 330103-00-08-10-02-00 | Proximity probe model candidate | Non-contact proximity measurement | Compatible rotating-machinery systems | Depends on probe configuration; product drawing required | Exact configuration weight to be confirmed |
| 330104-00-08-10-02-00 | Proximity probe model candidate | Non-contact proximity measurement | Machinery condition monitoring | Depends on probe configuration; product drawing required | Exact configuration weight to be confirmed |
| 330180-50-00 | Proximitor sensor model candidate | Interfaces compatible probes and extension cables with monitoring equipment | Shaft displacement and vibration measurement | Depends on exact sensor and mounting arrangement | Exact configuration weight to be confirmed |
| 3500/42M | Proximitor/seismic monitoring module | Processes compatible transducer inputs for monitoring | Machinery vibration and position monitoring | Rack-module dimensions; verify the applicable configuration | Exact module weight to be confirmed |
The probe part numbers above are candidates for product-family comparison. Confirm the complete ordering code, probe dimensions, connector arrangement, and system compatibility before specifying any probe as a replacement or companion component.
The 330180-50-00 and 3500/42M represent different component categories from the extension cable. A Proximitor sensor or monitoring module performs an electronic function and cannot replace the cable itself.
11. Installation and Maintenance Recommendations
Before installation, inspect the cable for visible damage, deformation, damaged armor, or contamination around the connectors. Handle the connectors carefully, and secure them in accordance with the applicable installation instructions.
Route the cable so that it is not pinched, excessively bent, or exposed to unnecessary mechanical stress. Even with armored construction, proper routing and cable support remain essential.
For replacement work, record the complete existing part number and verify the required cable length, connector arrangement, armor option, and approval configuration. Do not rely on the model’s general appearance or length alone.
After installation, confirm that the connections are secure and that the complete measurement system provides expected readings. An abnormal signal may result from a damaged probe, a loose connector, a cable problem, sensor incompatibility, or monitor configuration issues.
For installations requiring hazardous-area certification, check the actual approval documents for the supplied unit and ensure they match the site requirements. The CN suffix should not be used as a substitute for formal certification verification.
12. Procurement Checklist
| Item to check | Recommended action |
|---|---|
| Complete model number | Confirm 330730-080-03-CN |
| Cable length | Verify the required 8.0 m length |
| Cable construction | Confirm the armored option |
| Connector protection | Confirm the specified protector configuration |
| Regional approval | Verify the exact approvals applicable to the supplied unit |
| Probe compatibility | Check the installed probe model |
| Proximitor compatibility | Check the sensor model and complete system configuration |
| Cable diameter | Obtain the confirmed dimension from the product drawing |
| Connector dimensions | Check connector clearance and mounting requirements |
| Net weight | Confirm the actual supplied assembly weight in kg |
| Packaging information | Record gross weight and package dimensions separately from the product itself |
| Environmental conditions | Check temperature, moisture, oil exposure, and routing requirements |
13. Final Summary
The Bently Nevada 330730-080-03-CN is an 8.0 m armored extension cable in the 3300 XL 11 mm proximity transducer family. Its 03 option identifies the armored cable configuration with connector protectors, while CN denotes a country-specific approval configuration that must be checked against the requirements of the intended installation.
The cable connects a compatible proximity probe to a compatible Proximitor sensor and supports the signal path used for shaft vibration and displacement monitoring. Its armored construction and connector protectors provide useful mechanical protection in industrial installations.
For procurement, the key considerations are the full part number, cable length, connector configuration, regional approval requirements, and compatibility with the installed measurement system. The exact physical dimensions and net weight should be confirmed for the supplied assembly; available weight figures are inconsistent, so the product’s verified net weight should be used for formal records.