Model: 330101-00-30-10-10-02-05
Product Overview
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Datasheet Preview
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Commercial Path
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Technical Dossier
The Bently Nevada 3300 XL Series is one of the most widely deployed vibration monitoring platforms in global heavy industry. Installed across petrochemical complexes, nuclear power stations, offshore platforms, LNG terminals, and crude oil refineries, the 3300 XL system provides continuous, real-time machinery protection for rotating equipment including steam turbines, gas compressors, centrifugal pumps, and gearboxes. Its modular rack architecture, dual-channel redundancy options, and compatibility with API 670 machinery protection standards have made it the reference system for OEM integrators and plant maintenance engineers worldwide. The 3300 XL platform operates as a standalone protection system or integrates with DCS environments via 4–20 mA analog outputs and relay contact outputs, making it suitable for both greenfield installations and brownfield retrofits.
The Bently Nevada 3300 XL Series succeeded the earlier 3300 Series (non-XL), which used 5-pin DIN connectors and lacked the extended temperature and EMI tolerance of the XL platform. The XL designation introduced a revised backplane bus, improved signal conditioning circuitry, and a standardized 19-inch rack form factor compatible with both 4-slot and 16-slot mainframes.
Early 3300 XL deployments (mid-1990s) centered on eddy-current proximity probes for radial and axial shaft displacement measurement. Over successive hardware revisions, Bently Nevada expanded the catalog to include velocity transducer monitors, accelerometer-based modules, tachometer inputs, and Keyphasor reference signal conditioners. The introduction of the 3500 Series in the early 2000s provided a migration path for plants requiring fieldbus integration (Modbus, Profibus, FOUNDATION Fieldbus), but the 3300 XL remained in active production and support for decades due to its installed base in long-lifecycle facilities.
Compatibility note: 3300 XL monitors are not directly interchangeable with 3300 (non-XL) monitors at the backplane level. Probe cables and extension cables from the 3300 family are generally compatible with 3300 XL monitors provided the gap voltage and sensitivity specifications match. Plants migrating from 3300 to 3300 XL must verify probe system gap voltage, scale factor (V/mm or V/mil), and cable length against the replacement monitor's input specifications.
The following SKUs represent verified, commonly stocked models within the Bently Nevada 3300 XL Series, organized by functional category:
Proximity Probes (Eddy-Current Transducers)
330101-00-30-10-10-02-05: 8mm proximity probe, 5m armored extension cable, standard temperature, reverse mount, 200 mil range — the subject SKU of this listing.
330101-00-30-10-10-02-CN: 8mm proximity probe, 5m cable, CE-marked variant for European installations.
330104-00-30-10-10-02-05: 14mm proximity probe, 5m extension, extended sensing range up to 400 mil, used on large-shaft turbines.
330106-05-30-05-02-00: 25mm proximity probe, 5m cable, designed for large journal bearing clearance measurement on steam turbines.
330130-040-00-00: 3300 XL 8mm proximity probe, 1m integral cable, short-range installation variant.
Extension Cables
330130-080-00-00: 8m armored extension cable for 8mm probe systems, low-noise coaxial construction.
330130-045-00-00: 4.5m extension cable, compatible with 330101 and 330104 probe families.
Proximitor Sensors (Signal Conditioners)
330180-91-00: 3300 XL 8mm Proximitor Sensor, -24 VDC powered, 200 mil range, standard output -18 VDC at mid-gap.
330180-X1-05: 8mm Proximitor, extended temperature range (-40°C to +85°C), for high-ambient installations.
330185-02-05: 14mm Proximitor Sensor, 400 mil range, for large-shaft applications.
Monitors (Rack-Mount Signal Processing)
330750-00-CN: 3300 XL Dual Voting Logic Monitor, 2-out-of-2 relay voting, used in safety-critical shutdown loops.
330850-00-00: 3300 XL Radial Vibration Monitor, dual-channel, 4–20 mA output, relay contacts, API 670 compliant.
330851-00-00: 3300 XL Axial Position Monitor, single-channel, thrust position measurement, ±1 mm range.
330852-00-00: 3300 XL Differential Expansion Monitor, for steam turbine casing vs. rotor relative expansion measurement.
Keyphasor & Tachometer Modules
330980-00-00: 3300 XL Keyphasor Module, single-channel, provides once-per-revolution reference signal for phase and speed measurement.
330981-00-00: 3300 XL Dual Keyphasor Module, two independent reference channels, used on multi-shaft train configurations.
Power Supplies & Rack Infrastructure
3300/20-01-01-00: 3300 XL 4-slot Rack, accepts up to 4 monitor modules, 115/230 VAC input.
3300/20-02-01-00: 3300 XL 16-slot Rack, full-size mainframe for large machinery trains.
The 3300 XL platform uses a proprietary backplane bus and eddy-current signal conditioning chain that requires functional verification beyond simple continuity checks. DriveKNMS applies the following test protocol to all 3300 XL units prior to dispatch:
Proximity Probe & Proximitor System Verification: Each probe-cable-Proximitor assembly is tested as a matched system. Gap voltage is measured at the Proximitor output using a calibrated target material (AISI 4140 steel) to confirm the scale factor (typically 7.87 V/mm or 200 mV/mil) and linear range endpoints. Output noise floor is measured with a spectrum analyzer to confirm compliance with API 670 noise limits.
Monitor Functional Test: Rack-mount monitors are powered in a test rack and subjected to simulated input signals covering the full measurement range. Alert and Danger relay setpoints are verified. 4–20 mA analog output accuracy is confirmed against a calibrated reference. Relay contact integrity is tested under rated load.
Environmental Stress Screening: Units intended for high-ambient or offshore environments undergo thermal cycling (-20°C to +70°C) to identify latent component failures before dispatch review.
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Related Paths
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