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- Bently Nevada
- 330880-00-00-000-00
- PROXPAC XL Proximity Transducer
- USA
- 91.4 × 144.8 mm
- 1.44 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Bently Nevada 330880-00-00-000-00 belongs to the PROXPAC XL Proximity Transducer Assembly family, a housing-based proximity measurement solution for rotating machinery monitoring. Unlike a standalone proximity probe, the PROXPAC XL assembly provides an enclosure for the associated proximity measurement hardware and supports installation where the sensing system requires a protected, organized mounting arrangement.
In applications such as centrifugal compressors, steam turbines, and industrial pumps, proximity measurement is used to track the movement of a rotating shaft relative to a stationary reference point. The resulting signal can be used by compatible machinery monitoring equipment to assess shaft vibration or position. The PROXPAC XL assembly helps accommodate the transducer components and their connections within an industrial installation.
The 330880-00-00-000-00 ordering code is particularly important when identifying this configuration. The initial 00 option specifies an assembly without a probe and with a Proximitor Sensor without approvals. The following 00 identifies the absence of a standoff adapter, while 000 specifies a zero probe-penetration option. The final 00 identifies the fittings option with no fittings, two plugs, and two washers. The complete configuration should therefore be checked before treating this model as a ready-to-install probe assembly.
For maintenance teams, this distinction matters when replacing existing equipment. A housing-only configuration may be appropriate for a particular installation or spare-parts requirement, but it should not be assumed to include a complete sensing probe. The required probe, mounting arrangement, cable connections, and monitoring interface depend on the intended application.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Product Series | PROXPAC XL |
| Model | 330880-00-00-000-00 |
| Product Type | PROXPAC XL Proximity Transducer Assembly |
| Measurement Technology | Eddy-current proximity measurement system |
| Probe Configuration | No probe included |
| Proximitor Sensor Option | Without approvals |
| Standoff Adapter Option | None |
| Probe Penetration Option | 0 mm |
| Fittings Option | No fittings; two plugs and two washers |
| Mounting Thread Option | Not specified by this ordering code |
| System Linear Range | 2 mm (80 mils), when used with the specified compatible probe system |
| Nominal Scale Factor | 7.87 V/mm (200 mV/mil), for the compatible 3300 XL 8 mm system |
| Frequency Response | 0–10 kHz, +0/−3 dB, subject to the configured system |
| Housing Protection | IP66 / Type 4X for the applicable PROXPAC XL enclosure configuration |
| Dimensions | 91.4 × 144.8 mm |
| Weight | 1.44 kg |
Product Features
- Integrated enclosure arrangement: Provides a housing for the applicable proximity measurement hardware and associated connections.
- Configurable transducer architecture: The PROXPAC XL family supports different probe, standoff adapter, penetration, fitting, and mounting options.
- Defined ordering-code configuration: The model number identifies the selected assembly options and helps prevent incorrect replacement selection.
- Industrial environmental protection: The PROXPAC XL enclosure family uses a protective housing suitable for specified industrial installation conditions.
- Compatibility with 3300 XL 8 mm technology: Configured assemblies can use the corresponding proximity measurement components.
- Maintenance-oriented design: The enclosure arrangement helps organize measurement hardware and connection points for service and inspection.
- Application-specific installation: Different mounting and fitting options allow the assembly to be configured for particular machine casings and installation requirements.
Working Principle
The PROXPAC XL assembly supports a proximity measurement system based on eddy-current sensing. In a complete configured installation, a proximity probe faces a conductive shaft or target. The associated Proximitor Sensor generates a high-frequency electrical signal, and changes in the gap between the probe tip and target alter the electrical response.
The measurement chain for a complete system is:
Conductive Shaft → Proximity Probe → Extension Cable → Proximitor Sensor → Machinery Monitoring System
As the shaft moves, the probe-to-target gap changes. The Proximitor Sensor converts the resulting response into an electrical output that compatible monitoring equipment can interpret as shaft displacement. Depending on probe orientation and channel configuration, the measurement may be used for radial shaft vibration or position monitoring.
The specific 330880-00-00-000-00 configuration requires special attention because its ordering code specifies no probe. The housing and sensor arrangement should not be confused with a complete probe-and-cable measurement channel. A suitable probe and the necessary system components must be identified for the intended application before a functional measurement loop can be established.
For example, a compressor monitoring installation may require shaft vibration measurements near a bearing. The appropriate probe must be mounted at the specified position, connected through a compatible extension cable, and matched to the Proximitor Sensor and monitoring input. Once the complete loop has been installed and configured, the monitoring system can record shaft movement and compare the readings with established operating limits.
Correct configuration is essential to obtaining meaningful measurements. Probe type, system electrical length, target material, mounting geometry, and monitoring-channel settings all affect performance. The assembly’s enclosure options must also match the machine casing and installation requirements.
Role in a Machinery Monitoring Architecture
The 330880-00-00-000-00 serves as an enclosure and hardware configuration within a proximity measurement installation. Its role is distinct from that of the probe itself: the probe detects the target gap, the Proximitor Sensor processes the probe response, and the monitoring system evaluates the resulting signal.
Machine Casing → PROXPAC XL Assembly → Compatible Probe System → Proximitor Sensor Output → Machinery Monitor
| System Element | Function |
|---|---|
| PROXPAC XL Assembly | Houses the configured proximity measurement hardware |
| Proximity Probe | Detects changes in the gap between the probe tip and conductive target |
| Extension Cable | Connects the probe to the compatible Proximitor Sensor |
| Proximitor Sensor | Converts the probe response into a measurement output |
| Machinery Monitoring Module | Processes shaft vibration or position signals |
| Monitoring Software | Displays trends and supports diagnostic review |
| Alarm and Protection Logic | Applies configured thresholds and machine protection responses |
| Mounting Hardware | Secures the assembly and establishes the required installation geometry |
Because this ordering code specifies no probe, the assembly should not be treated as a complete sensing channel without checking the remaining components required for the installation.
Industrial Applications
| Application | Typical Use |
|---|---|
| Centrifugal Compressors | Supporting proximity measurement installations for shaft vibration monitoring |
| Steam Turbines | Accommodating proximity system hardware used for shaft-motion measurements |
| Industrial Pumps | Providing an enclosure arrangement for compatible proximity monitoring components |
| Power Generation Equipment | Supporting configured transducer installations within machinery monitoring systems |
| Refinery Rotating Machinery | Organizing proximity measurement hardware in industrial operating environments |
| Gas Processing Facilities | Accommodating suitable shaft-monitoring system components |
| Machinery Retrofit Projects | Replacing or reconfiguring a PROXPAC XL assembly to match an existing installation |
| Maintenance and Spare Parts | Supplying a specified housing configuration for a planned repair or system build |
The actual monitoring capability depends on the probe and electronic components installed with the assembly. Selection should be based on the required measurement function, mounting arrangement, environmental conditions, and monitoring-system compatibility.
Installation and Maintenance
- Verify the complete model number: Confirm 330880-00-00-000-00 and check every ordering-code option before installation.
- Confirm the probe requirement: This configuration specifies no probe, so identify the appropriate probe separately if the application requires shaft displacement measurement.
- Check the sensor configuration: Verify the intended Proximitor Sensor arrangement and ensure that its approval configuration is suitable for the installation.
- Inspect the mounting location: Confirm that the machine casing or mounting surface accommodates the assembly’s selected configuration.
- Verify the adapter requirement: The specified model has no standoff adapter. Check whether the actual installation requires a different adapter option.
- Review probe penetration requirements: The
000option specifies zero probe penetration. Confirm that this matches the intended configuration rather than assuming the assembly includes an installed probe. - Inspect the fitting arrangement: Verify the specified no-fitting configuration, including the two plugs and two washers, against the installation requirements.
- Check enclosure condition: Inspect the housing, cover, sealing surfaces, and fasteners for damage or contamination before installation.
- Plan cable routing: Where a probe and associated cabling are used, keep the cable route clear of sharp edges, moving machinery, and sources of electrical interference.
- Verify system compatibility: Confirm that the selected probe, extension cable, Proximitor Sensor, and monitoring input form a compatible measurement loop.
- Perform functional checks: After completing the configured installation, verify the electrical connections, channel settings, and signal response before relying on the measurements.
- Document the final configuration: Record the assembly model, installed components, mounting details, wiring arrangement, and commissioning results for future maintenance.
During service, do not assume that a replacement assembly contains the same internal components as the unit being removed. Compare the full ordering codes and verify the actual probe, sensor, fitting, and mounting requirements before returning the monitoring channel to service.
Compatible System Components
The 330880-00-00-000-00 is part of the PROXPAC XL assembly family. Because this configuration specifies no probe, the additional components required depend on the intended proximity measurement application.
| Component | Function |
|---|---|
| Compatible 3300 XL 8 mm Proximity Probe | Detects shaft displacement when included in the configured system |
| Compatible Extension Cable | Connects the probe to the Proximitor Sensor |
| Compatible Proximitor Sensor | Processes the probe response and generates the measurement output |
| Bently Nevada 3500 Monitoring System | Receives compatible transducer signals for machinery monitoring |
| Suitable Mounting Hardware | Secures the assembly to the machine installation |
| Compatible Fittings and Plugs | Accommodate the required enclosure connections |
| Machinery Monitoring Software | Supports measurement trending and diagnostic analysis |
Recommended Related Models
The following related models belong to the PROXPAC XL proximity transducer assembly family or its associated 3300 XL 8 mm measurement system. Their ordering options differ, so the complete configuration should be checked before selecting a replacement.
| Model | Product Type | Relevance |
|---|---|---|
| Bently Nevada 330880-00-00-000-03-02 | PROXPAC XL Proximity Transducer | Assembly configuration with a fitting and mounting-thread option |
| Bently Nevada 330880-16-00-021-03-02 | PROXPAC XL Proximity Transducer | Configured assembly with a 3300 XL 8 mm probe |
| Bently Nevada 330880-28-20-45-01-02 | PROXPAC XL Proximity Transducer | Configured assembly with a probe and multiple approvals |
| Bently Nevada 330880-28-30-37-01-02 | PROXPAC XL Proximity Transducer | Alternative standoff and penetration configuration |
| Bently Nevada 330102-00-00-10-02-00 | 3300 XL 8 mm Proximity Probe | Related proximity probe family; verify the exact ordering code before selection |
| Bently Nevada 3300 XL 8 mm Proximitor Sensor | Proximitor Sensor | Electronic component used in a compatible proximity measurement loop |
Key Advantages
- Provides an enclosure-based configuration for proximity measurement hardware.
- Uses a defined ordering code to identify probe, adapter, penetration, and fitting options.
- Supports configurable installation arrangements within the PROXPAC XL family.
- Can be integrated with compatible 3300 XL 8 mm proximity measurement components.
- Helps organize transducer hardware in industrial machinery monitoring installations.
- Allows the assembly configuration to be matched to specific maintenance and retrofit requirements.
Technical FAQs
Does model 330880-00-00-000-00 include a proximity probe?
No. The first option group, 00, specifies no probe and a Proximitor Sensor without approvals. If the application requires shaft displacement measurement, the appropriate probe and associated components must be selected separately.
What does the 000 section of the ordering code mean?
The 000 section identifies the zero probe-penetration option. This should be checked against the machine’s mounting geometry and the required probe arrangement before selecting the assembly for an installation.
Can this assembly measure shaft vibration on its own?
No. Shaft vibration measurement requires a complete compatible proximity measurement loop, including a suitable probe, the necessary cable connection, a Proximitor Sensor, and compatible monitoring equipment. The assembly housing alone does not provide a shaft displacement measurement.
What should be checked when replacing an existing PROXPAC XL assembly?
Compare the complete ordering code and verify the probe option, Proximitor Sensor configuration, standoff adapter, penetration length, fittings, and mounting thread. Also confirm the required environmental protection and compatibility with the existing monitoring system.