Introduction
The Bently Nevada 330180-90-01 is a 3300 XL 8mm Proximitor Sensor developed for use within a complete 3300 XL 8mm Proximity Transducer System. It serves as the signal-conditioning component between a compatible proximity probe, extension cable, and machinery monitoring equipment.
The 90 configuration identifies a 9.0 m (29.5 ft) system length with panel mounting, making this version particularly suitable for installations where the monitoring electronics need to be positioned at a greater distance from the sensing point. The 3300 XL architecture is designed for non-contact measurement of both static shaft position and dynamic vibration, with established applications on fluid-film bearing machinery, turbines, compressors, generators, and other rotating equipment.
The -01 suffix represents the corresponding agency-approval configuration, so the complete part number should be matched carefully when replacing an existing Proximitor. The 3300 XL system is engineered as a coordinated probe, extension cable, and Proximitor combination rather than as an isolated electronic component.
Technical Specifications
The 330180-90-01 configuration is distinguished primarily by its 9.0 m total system length and panel-mount arrangement. The Proximitor accepts one compatible non-contacting 3300-series 5mm, 3300 8mm, or 3300 XL 8mm proximity probe and extension cable.
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model | 330180-90-01 |
| Product Type | 3300 XL 8mm Proximitor Sensor |
| Series | 3300 XL |
| System Length | 9.0 m (29.5 ft) |
| Mounting Configuration | Panel mount |
| Agency Approval | -01 configuration |
| Input | Compatible 3300-series 5mm, 3300 8mm or 3300 XL 8mm probe and extension cable |
| Measurement Principle | Eddy-current, non-contact |
| Housing Material | A308 aluminum |
| Supply Requirement | -17.5 to -26 Vdc without barriers |
| Maximum Consumption | 12 mA |
| Nominal Output Resistance | 50 Ω |
| Extension Cable Capacitance | 69.9 pF/m (21.3 pF/ft), typical |
| Typical Proximitor Weight | 246 g (8.67 oz) |
| Typical Complete System Weight | Approximately 0.7 kg |
| System Architecture | Probe + extension cable + Proximitor Sensor |
Applications
Steam and Gas Turbine Monitoring
The 3300 XL 8mm system is well suited to turbine applications where continuous shaft vibration and position measurements are required. The Proximitor provides the conditioned signal needed by downstream monitoring equipment.
Compressor Protection
For compressors equipped with suitable proximity-probe locations, the system can monitor rotor movement and vibration. The 9.0 m configuration provides additional installation flexibility when the monitoring cabinet is relatively distant from the machine.
Generator Monitoring
Large generators can use proximity transducers to observe shaft displacement and dynamic rotor behavior. The panel-mounted Proximitor is convenient for centralized machinery-monitoring cabinets.
Motor and Pump Monitoring
Compatible industrial motors and pumps can use the 3300 XL transducer architecture for continuous non-contact shaft monitoring.
Fluid-Film Bearing Applications
The 3300 XL 8mm system is primarily intended for vibration and position measurements on fluid-film bearing machines. It can also be used for Keyphasor reference and speed measurement when correctly configured.
Keyphasor Applications
A suitable probe arrangement can provide a once-per-revolution reference for phase and speed measurements. This makes the Proximitor useful in applications where vibration data needs to be correlated with shaft rotational position.
Machinery Protection
When connected to a compatible monitoring system, the Proximitor forms an important part of the signal path used for machinery condition monitoring and protection.
Long-Distance Cabinet Installations
The 9.0 m system length is particularly useful when the sensing point and monitoring cabinet are separated by a longer cable route. It can help avoid an installation that is forced to locate electronics unnecessarily close to the machine.
Advantages
9.0 m System Length
The main practical advantage of the 330180-90-01 is its 9.0 m total system configuration. Compared with a 5.0 m version, it provides additional flexibility for installations with greater separation between the probe and monitoring cabinet.
Panel-Mount Design
The 90 mounting option is intended for panel installation, providing a straightforward arrangement for machinery-monitoring cabinets and control enclosures.
3300 XL 8mm Architecture
The 3300 XL 8mm platform combines the probe, extension cable, and Proximitor into a coordinated transducer system. This architecture is designed to provide predictable measurement characteristics when the components are correctly matched.
Broad Probe Input Compatibility
The Proximitor accepts a compatible 3300-series 5mm, 3300 8mm, or 3300 XL 8mm proximity probe and extension cable, providing useful flexibility when maintaining an installed 3300-series system.
Non-Contact Measurement
Eddy-current technology allows the system to measure shaft movement without physical contact with the rotating target. This makes it suitable for continuous operation on high-speed machinery.
Compact Aluminum Housing
The Proximitor uses an A308 aluminum housing, combining relatively low weight with a practical industrial enclosure.
Low Power Consumption
The Proximitor requires a negative DC supply and has a maximum consumption of approximately 12 mA, supporting efficient integration into compatible monitoring circuits.
Established Industrial Compatibility
The 3300 XL 8mm system is designed for demanding machinery-monitoring environments and has been used across applications requiring continuous shaft vibration and position measurement.
Convenient Replacement Identification
Because 330180-90-01 defines both the system-length/mounting configuration and approval option, it provides a precise reference for maintenance and spare-parts procurement.
Technical FAQs
1. What is the Bently Nevada 330180-90-01?
It is a 3300 XL 8mm Proximitor Sensor configured for a 9.0 m system length with panel mounting.
2. What does “90” mean in the model number?
The 90 identifies the 9.0 m (29.5 ft) system-length and panel-mount configuration.
3. What does the “01” suffix specify?
The 01 identifies the particular agency-approval configuration. When replacing a Proximitor, the approval suffix should be matched to the original installation requirements.
4. Is 330180-90-01 a proximity probe?
No. It is a Proximitor Sensor. The complete transducer system requires a compatible proximity probe and extension cable.
5. What probes are compatible with the Proximitor?
The input accepts one compatible non-contacting 3300-series 5mm, 3300 8mm, or 3300 XL 8mm proximity probe and extension cable.
6. What is the total system length?
The specified system length is 9.0 m (29.5 ft). The probe and extension cable must be selected as a compatible combination for this total system length.
7. Is this model panel mount?
Yes. The 90 configuration is the panel-mount version. The comparable 91 configuration is used for DIN mounting, while 92 is the no-mounting-hardware version.
8. What are the approximate dimensions?
The Proximitor housing is approximately 81.3 × 61.2 × 63.5 mm. Additional installation clearance should be provided for connectors and cable bending.
9. What is the approximate weight?
The Proximitor itself weighs approximately 246 g (0.246 kg). A complete probe/cable/Proximitor system is typically around 0.7 kg.
10. What is the difference between 330180-90-01 and 330180-52-01?
Both are associated with a 9.0 m or 5.0 m system-length family depending on the exact ordering configuration, but the mounting option must be read directly from the ordering code. For the 330180 family, 90 denotes 9.0 m with panel mounting, whereas 52 denotes 5.0 m with no mounting hardware. Therefore, these are not direct mechanical substitutes simply because both are 3300 XL Proximitor Sensors.
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