Bently Nevada 3300 XL Modules – 330101-00-08-20-12-05

Technical Dossier

Product Details And Specifications

Bently Nevada 3300 XL Series Technical Notes

The Evolution of 3300 XL Architecture

The 3300 XL platform succeeded the original Bently Nevada 3300 series, introducing enhanced signal conditioning, improved EMI rejection, and tighter integration with plant DCS and SCADA systems via 4–20 mA analog outputs and relay contact outputs. The XL designation reflects an extended dynamic range and improved transducer drive capability compared to first-generation 3300 monitors.

Early 3300 XL deployments (mid-1990s through early 2000s) relied on discrete rack-mounted monitors with individual channel cards. As the platform matured, Bently Nevada introduced the 3500 series as the next-generation successor, offering fieldbus communication (Modbus, Profibus) and higher channel density. However, the 3300 XL remains in active service at thousands of facilities where capital replacement budgets are constrained or where the 3300 XL is embedded within a larger, validated safety instrumented system (SIS) that cannot be easily re-certified.

Compatibility considerations are critical: 3300 XL transducer probes, extension cables, and proximitors operate as matched systems. The probe gap voltage, sensitivity (mV/mil or mV/µm), and frequency response must be matched to the monitor channel card. Mixing components from different sub-series without verification will produce measurement errors and may trigger false shutdowns.

3300 XL Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced components within the Bently Nevada 3300 XL ecosystem. Each entry identifies the module's primary function within the monitoring architecture.

Proximity Transducer Probes (8mm)

• 330101-00-08-20-12-05: 8mm proximity transducer probe, 20 cm armored cable, standard tip, 200 mil range, -24 VDC drive
• 330101-00-08-10-12-05: 8mm proximity transducer probe, 10 cm armored cable, standard tip, 200 mil range
• 330101-00-08-30-12-05: 8mm proximity transducer probe, 30 cm armored cable, extended reach configuration
• 330101-00-08-50-12-05: 8mm proximity transducer probe, 50 cm armored cable, long-reach installation

Proximity Transducer Probes (5mm)

• 330180-91-05: 5mm proximity transducer probe, standard configuration, 100 mil range
• 330180-91-00: 5mm proximity transducer probe, reverse-mount configuration

Extension Cables

• 330130-045-00-00: Extension cable, 4.5 m, for 8mm probe systems, armored jacket
• 330130-080-00-00: Extension cable, 8.0 m, for 8mm probe systems, standard configuration
• 330130-020-00-00: Extension cable, 2.0 m, short-run configuration for compact installations

Proximitors / Signal Conditioners

• 330180-X1-05: 3300 XL 8mm proximitor, -24 VDC, 200 mil range, standard output 4–20 mA
• 330180-X1-00: 3300 XL 8mm proximitor, reverse-mount, -24 VDC supply
• 330185-02-05: 3300 XL 5mm proximitor, -24 VDC, 100 mil range

Monitor Modules (Rack-Mounted)

• 3300/16: Dual-channel radial vibration monitor, 4–20 mA output, relay contacts, DIN rail compatible
• 3300/20: Dual-channel thrust position monitor, configurable alert/danger setpoints
• 3300/25: Dual-channel differential expansion monitor, high-resolution position measurement
• 3300/46: Keyphasor module, once-per-revolution reference signal conditioning for phase analysis
• 3300/55: Power supply module, 115/230 VAC input, redundant DC output for rack systems

Sourcing Hard-to-Find & Obsolete 3300 XL Parts

Specific support capabilities include: exact-match replacement for discontinued probe-cable-proximitor assemblies; cross-reference verification between legacy and current-equivalent part numbers; and documentation support for plant change management (MOC) processes when substituting equivalent components.

Quality Control for the 3300 XL Range

The 3300 XL system's measurement accuracy depends on the electrical integrity of the complete transducer chain: probe, extension cable, proximitor, and monitor input card. DriveKNMS applies a structured test protocol to all 3300 XL components prior to shipment.

For proximity probes, each unit undergoes gap voltage verification using a calibrated target material (AISI 4140 steel, per Bently Nevada specification) to confirm sensitivity within ±2% of the rated mV/mil value. Extension cables are tested for continuity, insulation resistance (minimum 100 MΩ at 500 VDC), and shield integrity. Proximitors are bench-tested at nominal supply voltage (-24 VDC) with a calibrated probe to verify output linearity across the full measurement range. Monitor cards are powered in a test rack and subjected to simulated input signals to verify alert and danger relay actuation at configured setpoints.

All test results are documented and accompany the shipment. Components that do not meet specification are quarantined and not released for sale. This process is specifically designed to address the failure modes common in long-stored or field-removed 3300 XL components: connector corrosion, cable jacket degradation, and capacitor aging in proximitor signal conditioning circuits.