Bently Nevada 3300 XL Modules: 330103-00-06-05-02-05 8mm Proximity Transducer System

Technical Dossier

Product Details And Specifications

Bently Nevada 3300 XL Series Technical Notes

The Bently Nevada 3300 XL series is one of the most widely deployed machinery protection and condition monitoring platforms in global heavy industry. Installed across petrochemical complexes, nuclear power stations, offshore oil & gas platforms, LNG terminals, and large-scale refineries, the 3300 XL system provides continuous vibration, position, and speed monitoring for rotating machinery including steam turbines, gas turbines, compressors, and pumps. Its modular rack-based architecture, combined with API 670-compliant signal processing, has made it the de facto standard for critical machinery protection in facilities operated by ExxonMobil, Shell, SABIC, Sinopec, and comparable tier-1 operators. The system's long production lifecycle — spanning from the late 1990s through the 2010s — means that a substantial installed base remains in active service, creating sustained demand for both new and refurbished spare parts.

The Evolution of 3300 XL Architecture

The 3300 XL platform succeeded the earlier Bently Nevada 3300 series, introducing enhanced signal conditioning, improved EMI rejection, and a standardized 19-inch rack form factor compatible with both 4-slot and 16-slot mainframes. The core architectural shift from the legacy 3300 to the 3300 XL involved migration to a buffered transducer output design, allowing simultaneous connection to the protection system and external data acquisition equipment without signal loading effects.

The 3300 XL transducer ecosystem is built around three probe diameter standards — 5mm, 8mm, and 11mm — each optimized for specific gap ranges and target material conductivities. The 8mm family, to which SKU 330103-00-06-05-02-05 belongs, covers the widest range of general-purpose radial vibration and axial position applications. Extension cable lengths are encoded directly in the part number, enabling precise system configuration without field calibration adjustments when matched components are used.

As the 3300 XL series has entered its end-of-production phase — with Baker Hughes (the current Bently Nevada parent) transitioning customers toward the 3500 series platform — the installed base of 3300 XL equipment has become a lifecycle maintenance challenge. Replacement of individual modules rather than full system upgrades is the dominant maintenance strategy at facilities where a 3500 migration is not yet budgeted.

3300 XL Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced components within the Bently Nevada 3300 XL series, organized by functional category:

Proximity Transducers (Probes)

330103-00-06-05-02-05: 8mm proximity transducer, 6-inch armored cable, 5mm tip, standard temperature, general-purpose radial vibration and axial position measurement.
330103-00-12-05-02-05: 8mm proximity transducer, 12-inch armored cable, standard temperature, extended reach installation.
330103-00-18-05-02-05: 8mm proximity transducer, 18-inch armored cable, standard temperature, deep-housing turbine applications.
330104-00-06-05-02-05: 8mm proximity transducer, 6-inch armored cable, high-temperature variant, rated to 177°C continuous.
330101-00-06-05-02-05: 5mm proximity transducer, 6-inch cable, compact installation in restricted bearing housings.
330180-X1-05: 5mm proximity transducer, standard temperature, metric thread body, European installation standard.

Extension Cables

330130-045-00-00: 3300 XL extension cable, 4.5-meter length, standard temperature, connects probe to proximitor/driver.
330130-080-00-00: 3300 XL extension cable, 8-meter length, standard temperature, long-run installations.
330130-045-02-00: 3300 XL extension cable, 4.5-meter, high-temperature rated, for hot-zone routing.
330130-080-02-00: 3300 XL extension cable, 8-meter, high-temperature rated.

Proximitor Sensors / Signal Conditioners (Drivers)

330180-90-05: 3300 XL proximitor sensor, 5mm system, DIN rail or panel mount, -24 VDC powered, 200 mV/mil output.
330180-91-05: 3300 XL proximitor sensor, 8mm system, standard output scaling, rack-mount compatible.
330185-02-05: 3300 XL proximitor sensor, 11mm system, extended gap range, heavy shaft applications.
330190-080-01-00: 3300 XL proximitor, 8mm, 8-meter system, integrated cable assembly.

Rack & System Components

3300/20: 3300 XL 4-slot rack mainframe, accepts up to 4 monitor modules, standard 19-inch panel mount.
3300/25: 3300 XL 16-slot rack mainframe, full-scale machinery protection system chassis.
3300/46: 3300 XL power supply module, dual-redundant input, 110/220 VAC, rack-mount.

Quality Control for the 3300 XL Range

All 3300 XL proximity transducer systems processed by DriveKNMS undergo a structured verification protocol specific to eddy-current sensing technology. Probe tip impedance is measured at 1 MHz to confirm coil integrity and detect winding degradation. Extension cable continuity and shield isolation resistance are verified to IEC 60332 standards. Proximitor/driver output scaling is confirmed against the published 200 mV/mil (7.87 V/mm) sensitivity curve using a calibrated target simulator across the full linear gap range. System gap voltage at the nominal operating point is recorded and included with each shipment. Units exhibiting output deviation exceeding ±1% of nominal sensitivity are rejected. Final packaging uses anti-static shielding with desiccant to prevent moisture ingress during transit.