


Introduction
The Bently Nevada 330130-040-00-CN is a 3300 XL Standard Extension Cable configured for compatible 3300 XL proximity transducer systems. It provides the electrical connection between a compatible proximity probe and Proximitor Sensor, helping maintain the signal path used for shaft vibration, position, speed, and other rotating-machinery measurements.
This model combines a 4.0 meter (13.1 ft) cable length with the standard cable configuration and a CN country-specific approval option. The CN version is intended for installations where the corresponding China-specific approval configuration is required. The standard cable option makes it a practical choice for conventional installations where additional connector-protector hardware is not specified.
The extension cable uses a 75 Ω triaxial construction with FEP insulation and has a typical capacitance of 69.9 pF/m (21.3 pF/ft). These characteristics are important when the cable is installed as part of a complete 3300 XL proximity transducer circuit.
For maintenance departments, system integrators, and industrial plants operating in China, the 330130-040-00-CN offers a convenient combination of 4-meter reach, standard cable construction, and region-specific approval configuration. It is especially useful when replacing an existing cable while retaining the established 3300 XL monitoring architecture.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330130-040-00-CN |
| Product Series | 3300 XL |
| Product Type | Standard Extension Cable |
| Cable Length | 4.0 m (13.1 ft) |
| Length Code | 040 |
| Cable Configuration | Standard Cable |
| Cable Option | 00 |
| Agency Approval Option | CN — China-Specific Approval Configuration |
| Cable Construction | 75 Ω Triaxial |
| Insulation | FEP |
| Typical Capacitance | 69.9 pF/m (21.3 pF/ft) |
| Nominal Linear Weight | Approximately 34 g/m |
| Estimated Cable-Only Weight | Approximately 0.136 kg |
| Primary Function | Probe-to-Proximitor connection |
| System Application | 3300 XL 8 mm Proximity Transducer System |
| Typical Measurements | Shaft vibration, position, speed and phase reference |
| Typical Machinery | Turbines, compressors, pumps, generators and motors |
Applications
Turbine Condition Monitoring
The 330130-040-00-CN can be incorporated into turbine monitoring systems where proximity probes are used to measure shaft movement and vibration. Its 4-meter length provides useful routing flexibility between the sensing location and Proximitor Sensor.
Compressor Trains
Compressor systems often place monitoring probes near bearings while signal-conditioning components are mounted at a more accessible location. The extension cable provides the connection required between these components.
Generator Monitoring
In generator applications, proximity measurement can provide valuable information about rotor movement and shaft behavior. The 4-meter extension configuration can accommodate practical distances within the machinery-monitoring installation.
Pump and Motor Protection
Industrial pumps and motors can use compatible 3300 XL proximity systems as part of continuous condition monitoring. The 330130-040-00-CN offers a standard connection solution for these applications.
Fluid-Film Bearing Machines
The 3300 XL 8 mm proximity system is suitable for machinery using fluid-film bearings. The extension cable forms part of the complete measurement circuit used to monitor shaft position and dynamic vibration.
Speed and Phase Reference
When incorporated into an appropriately configured system, compatible proximity transducers can also support speed and Keyphasor-related measurements. The extension cable maintains the physical signal path between the field probe and associated electronics.
Chinese Industrial Installations
The CN approval option makes this configuration particularly relevant to projects in China where the specified country-specific approval arrangement is required. The CN designation is associated with the corresponding Chinese hazardous-area approval configuration.
Replacement and Retrofit Work
For an existing 3300 XL installation, replacing a cable with the same length and approval configuration can simplify maintenance and help preserve the original system design.
Advantages
China-Specific Configuration
The CN suffix distinguishes this model from standard approval and other country-specific versions. It provides a configuration intended for projects requiring the corresponding China-specific approval arrangement.
4.0 Meter Reach
The 4-meter cable length gives installers additional routing freedom while remaining easy to handle during installation and service.
Standard Cable Design
The 00 cable option identifies the standard extension cable configuration, providing a straightforward solution for installations that do not call for an alternative cable construction or connector-protection option.
75 Ω Triaxial Construction
The cable's 75 Ω triaxial design is suited to the electrical requirements of the 3300 XL proximity transducer system and supports the intended signal-transmission characteristics.
FEP Insulation
FEP insulation provides a durable material for industrial instrumentation cabling and contributes to stable operation across demanding machinery-monitoring environments.
Controlled Electrical Characteristics
The typical 69.9 pF/m capacitance is an important parameter of the extension cable. Maintaining the appropriate cable and overall system length helps ensure compatibility with the selected Proximitor Sensor.
Lightweight Construction
At approximately 34 g/m, the cable is relatively light for industrial instrumentation, making it convenient to route, secure, and replace.
Suitable for Critical Assets
The cable can form part of monitoring systems serving turbines, compressors, generators, pumps, motors, and other high-value rotating machinery where dependable signal transmission is essential.
Easy Specification Matching
The clearly defined 4.0 m / standard cable / CN approval configuration makes this model easier to identify when an existing installation requires a like-for-like replacement.
Maintenance Efficiency
Using a correctly matched extension cable can help maintenance teams restore an existing proximity monitoring loop without unnecessarily modifying the probe or Proximitor Sensor arrangement.
Technical FAQs
1. What is the Bently Nevada 330130-040-00-CN?
It is a 3300 XL Standard Extension Cable designed to connect a compatible proximity probe with its Proximitor Sensor in a 3300 XL proximity transducer system.
2. What is the cable length?
The cable is 4.0 meters (13.1 feet) long. The 040 portion of the model number identifies the length option.
3. What does the first “00” represent?
The first 00 identifies the standard cable configuration.
4. What does “CN” mean?
The CN suffix identifies the country-specific approval configuration associated with China. For projects with hazardous-area certification requirements, the exact approval marking should be checked against the applicable project specification.
5. What is the typical capacitance of the cable?
The typical capacitance is approximately 69.9 pF/m (21.3 pF/ft).
6. What type of cable construction is used?
The extension cable uses a 75 Ω triaxial cable with FEP insulation.
7. What is the approximate weight?
The cable has a nominal linear weight of approximately 34 g/m, resulting in an estimated cable-only weight of 0.136 kg for a 4-meter assembly.
8. What systems can use this cable?
It is designed for compatible 3300 XL proximity transducer systems, where it connects a compatible probe to a Proximitor Sensor.
9. Can it be used on turbines and compressors?
Yes. When the complete probe, extension cable, and Proximitor Sensor configuration is compatible, the cable can be used in monitoring arrangements for turbines, compressors, generators, pumps, motors, and other rotating machinery.
10. Why should the total system length be checked?
The extension cable is not an isolated component in the measurement circuit. The probe length and extension-cable length together determine the total system length, which must correspond to the selected Proximitor Sensor configuration. Checking the complete combination before replacement helps avoid an electrically mismatched installation.