Introduction
The Bently Nevada 330180-X0-05 143945-05 is a 3300 XL Proximitor Sensor designed to operate as part of a high-performance eddy-current proximity transducer system. When paired with a compatible probe and extension cable, it converts the distance between the probe tip and a conductive shaft surface into a proportional electrical signal for machinery monitoring.
The 3300 XL 8 mm proximity system is intended for direct measurement of shaft position and dynamic shaft vibration, with additional applications including Keyphasor reference and speed measurement. It is particularly well suited to rotating equipment using fluid-film bearings, where direct rotor measurements can provide valuable information about machine condition.
The 330180-X0-05 belongs to the approved configuration of the 3300 XL Proximitor Sensor family. The -05 ordering option denotes CSA, ATEX, and IECEx approvals, making this configuration especially attractive for appropriately designed installations where hazardous-area certification is required.
The additional identification 143945-05 is included with this particular product designation. For replacement applications, the complete part marking should be checked together with the existing probe, extension cable, system length, mounting arrangement, and approval requirements.
Technical Specifications
The 3300 XL 8 mm proximity system consists of a compatible 3300 XL 8 mm probe, extension cable, and Proximitor Sensor. The system produces an output voltage proportional to the distance between the probe tip and the conductive target, allowing both static position and dynamic vibration measurements.
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model | 330180-X0-05 |
| Additional Identification | 143945-05 |
| Product Family | 3300 XL 5/8 mm Proximity Transducer System |
| Product Type | Proximitor Sensor |
| Mounting | Panel Mount |
| System Configuration | X0 |
| System Length | 5 m configuration |
| Measurement Principle | Eddy-current, non-contact |
| Compatible Inputs | 3300 5 mm, 3300 8 mm, or 3300 XL 8 mm probe and extension cable |
| Primary Measurements | Shaft vibration and shaft position |
| Additional Applications | Keyphasor reference and speed measurement |
| Linear Range | 0.2–1.5 mm (8–60 mils) |
| Nominal Probe Gap | 1.27 mm (50 mils) |
| Standard Supply | -17.5 to -26 Vdc |
| Supply with Barriers | -23 to -26 Vdc |
| Maximum Consumption | 12 mA |
| Output Resistance | 50 Ω |
| Supply Sensitivity | Less than 2 mV output change per volt input change |
| Housing Material | A308 aluminum |
| Sensor Weight | 246 g (8.67 oz) |
| Typical Complete System Weight | Approximately 0.7 kg (1.5 lb) |
| Approximate Mounting Dimension | 83.8 mm (3.30 in) |
| Approval Option | CSA, ATEX, IECEx |
| Typical Installation | Industrial machinery-monitoring panel |
Applications
Turbine Rotor Monitoring
The 330180-X0-05 can be incorporated into turbine monitoring channels where direct shaft vibration and position measurements are required. Rotor data can be especially useful during startup, shutdown, load changes, and normal operating conditions.
Compressor Condition Monitoring
Centrifugal compressors require reliable information about rotor behavior. Direct proximity measurements can help monitor changes in shaft movement associated with imbalance, misalignment, bearing conditions, and other mechanical influences.
Pump and Motor Monitoring
Industrial pumps and motors can use proximity measurements alongside conventional casing-vibration instrumentation. Direct shaft information provides another useful layer for evaluating rotor behavior and machine stability.
Generator Applications
Large generators and rotating electrical machines can employ proximity transducers to monitor shaft vibration and position as part of a wider machinery-protection or condition-monitoring system.
Fluid-Film Bearing Machinery
The 3300 XL 8 mm system is particularly suitable for fluid-film-bearing machines because the probe observes shaft movement directly. This makes it useful for evaluating rotor position and dynamic shaft behavior.
Keyphasor and Speed Measurement
With an appropriate probe arrangement and monitoring channel, the proximity system can provide a Keyphasor reference or speed-related signal for rotating equipment.
Advantages
Approved 5-Meter Configuration
The 330180-X0-05 combines the 3300 XL Proximitor architecture with a 5 m system configuration and approved -05 option. This makes it a strong candidate for installations where both system length and hazardous-area certification need to be considered.
CSA, ATEX, and IECEx Approval
The -05 configuration provides CSA, ATEX, and IECEx approvals within the 3300 XL ordering structure. This expands its suitability for appropriately engineered hazardous-area applications.
Direct Non-Contact Measurement
The eddy-current principle allows the associated probe to measure shaft movement without physical contact. This is particularly valuable for high-speed rotating equipment where continuous mechanical contact would be undesirable.
Wide Probe Compatibility
The Proximitor Sensor accepts compatible 3300-series 5 mm, 3300 8 mm, and 3300 XL 8 mm probes and extension cables. This provides useful flexibility when maintaining established 3300-series monitoring installations.
Stable Signal Conditioning
The published system specification gives a supply sensitivity of less than 2 mV output change per volt of input change, helping maintain consistent signal behavior as supply voltage varies within the specified operating range.
Practical Panel Installation
The panel-mount Proximitor Sensor uses the established mounting approach of the 3300 XL platform. Its mounting base also provides electrical isolation, helping simplify cabinet installation.
Interchangeable System Architecture
3300 XL 8 mm components are designed to be electrically and physically interchangeable with compatible non-XL 3300-series 5 mm and 8 mm components. This can be advantageous during retrofit and maintenance work, although mixing XL and non-XL components limits system performance to the applicable non-XL specifications.
API-Oriented Performance
The standard 3300 XL 8 mm 5 m system is designed to meet the mechanical configuration, linear range, accuracy, and temperature-stability requirements associated with API 670. This makes the platform a natural fit for demanding industrial machinery-monitoring environments.
A Practical Replacement Choice
For plants already using compatible 3300-series proximity channels, the 330180-X0-05 can provide a convenient replacement path while retaining the established probe-and-Proximitor measurement architecture.
Technical FAQs
1. What is the Bently Nevada 330180-X0-05 143945-05?
It is a 3300 XL Proximitor Sensor used with compatible proximity probes and extension cables for non-contact shaft vibration and position measurement.
2. What does 143945-05 identify?
143945-05 is the additional identification supplied with this particular unit designation. For replacement work, the complete marking on the existing Proximitor Sensor should be compared with the proposed replacement.
3. Is the 330180-X0-05 the actual 8 mm proximity probe?
No. The 330180-X0-05 is the Proximitor Sensor. The 8 mm probe is a separate component installed near the monitored shaft.
4. What does the X0 configuration represent?
The X0 configuration is the panel-mount configuration associated with the 5 m system-length option in the applicable 3300 XL ordering structure.
5. What does the -05 suffix mean?
The -05 option identifies the CSA, ATEX, and IECEx approval configuration of the 3300 XL Proximitor Sensor.
6. What power supply does the Proximitor require?
The standard configuration requires -17.5 to -26 Vdc, with maximum current consumption of approximately 12 mA. When barriers are used, the specified supply range is -23 to -26 Vdc.
7. What is the linear measurement range?
The published 3300 XL 8 mm system has a linear range of approximately 0.2–1.5 mm (8–60 mils) under the specified test conditions.
8. How much does the Proximitor Sensor weigh?
The Proximitor Sensor weighs approximately 246 g (8.67 oz). A complete probe, extension cable, and Proximitor system typically weighs approximately 0.7 kg (1.5 lb).
9. What are the approximate dimensions?
The relevant mounting dimension is approximately 83.8 mm (3.30 in). The actual cabinet envelope should be larger to accommodate connectors, field wiring, cable routing, and maintenance clearance.
10. What should be verified before ordering a replacement?
Confirm the 330180-X0-05 model, 143945-05 identification, 5 m system configuration, panel mounting, compatible 8 mm probe, extension cable, power requirements, hazardous-area approvals, and monitoring-system interface. For critical machinery, matching the complete transducer system is preferable to selecting the Proximitor by model number alone.
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