Model: 330703-000-050-10-11-00
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 Proximity Transducer System is one of the most widely deployed eddy-current sensing platforms in global heavy industry. Installed across petrochemical complexes, nuclear power stations, offshore platforms, LNG terminals, and refinery turbomachinery trains, the 3300 XL system provides continuous, non-contact measurement of shaft radial vibration, axial position, differential expansion, and eccentricity. Its modular architecture — comprising probes, extension cables, and proximitors — allows field-replaceable components without disturbing the monitored machine. The system is fully compatible with Bently Nevada's System 1 and 3500 monitoring racks, making it the de facto standard for API 670-compliant machinery protection in rotating equipment applications worldwide.
The 3300 series was introduced by Bently Nevada (acquired by GE in 2002, subsequently Baker Hughes in 2017) as a successor to the earlier 7200 and 3000 series transducer systems. The 3300 XL designation denotes the extended-range variant, engineered for improved linearity across a wider gap range (0–2.54 mm standard, extended to 0–5.08 mm in long-range configurations). Early 3300 probes used a 5-meter integral cable design; the XL architecture separated the probe, extension cable, and proximitor into discrete, interchangeable components, enabling standardized replacement logistics in remote installations.
The following SKUs represent verified, commonly deployed components within the Bently Nevada 3300 XL Proximity Transducer System. Each entry reflects a distinct configuration defined by probe length, cable length, connector type, and temperature rating.
330703-000-050-10-11-00: 3300 XL 8mm probe, 5m integral cable, standard temperature, reverse-mount, no armor.
330703-000-050-10-12-00: 3300 XL 8mm probe, 5m cable, standard temp, reverse-mount, armored cable variant.
330703-000-050-10-05-00: 3300 XL 8mm probe, 5m cable, high-temperature rating (up to 177°C), standard connector.
330703-000-050-10-01-00: 3300 XL 8mm probe, 5m cable, ATEX/IECEx certified, intrinsically safe configuration.
330703-000-050-10-02-00: 3300 XL 8mm probe, 5m cable, CSA/FM certified, North American hazardous area approval.
330130-090-00-05: 3300 XL 5m extension cable, standard temperature, straight connectors, non-armored.
330130-090-00-10: 3300 XL 10m extension cable, standard temperature, straight connectors, non-armored.
330130-090-00-15: 3300 XL 15m extension cable, high-temperature rated, armored jacket for mechanical protection.
330180-X1-05: 3300 XL Proximitor sensor, 5m system, –24 VDC supply, –7.87 V/mm scale factor, DIN rail mount.
330180-X1-10: 3300 XL Proximitor sensor, 10m system, standard output, panel-mount housing.
330180-X1-15: 3300 XL Proximitor sensor, 15m system, extended cable system, ATEX certified variant.
330101-00-06-10-02-00: 3300 NSv 8mm probe, 6-inch rigid mount, standard temperature, non-armored, metric connector.
330104-00-06-10-02-00: 3300 NSv 8mm probe, 6-inch rigid mount, high-temperature, armored cable, metric connector.
330500-02-00: 3300 XL Proximitor, 2m system, compact housing, used in space-constrained panel installations.
330500-05-00: 3300 XL Proximitor, 5m system, standard housing, general-purpose turbomachinery monitoring.
330500-10-00: 3300 XL Proximitor, 10m system, extended range, compatible with 3500/40M and 3500/42M monitor cards.
330850-50-00: 3300 XL 14mm probe, 5m cable, large-shaft radial vibration measurement, high-sensitivity configuration.
330900-00-05: 3300 XL 25mm probe, 5m cable, axial position measurement, long-range gap (0–5.08 mm).
The 3300 XL system's performance is critically dependent on the impedance characteristics of the probe coil and the gain calibration of the proximitor circuit. DriveKNMS applies a structured test protocol to all 3300 XL components prior to dispatch:
Probe coil impedance verification: Each probe is measured at 1 MHz using a precision LCR meter. Coil inductance and resistance values are compared against Bently Nevada factory specification sheets. Out-of-tolerance probes are quarantined and not released for sale.
Gap-versus-output linearity test: The probe is mounted in a calibrated fixture with a 4140 steel target. Output voltage is recorded at 0.25 mm increments across the full measurement range. Linearity deviation must remain within ±1% of the nominal scale factor.
Extension cable continuity and insulation resistance: All cable assemblies are tested for conductor continuity, shield integrity, and insulation resistance (minimum 100 MΩ at 500 VDC).
Proximitor output calibration check: Each proximitor is powered at –24 VDC and verified for correct scale factor output (–7.87 V/mm ± 0.5%) using a reference probe and target fixture.
Environmental seal inspection: Connector O-rings and potting compound integrity are visually inspected under magnification for cracks, voids, or contamination that could compromise IP67 ingress protection ratings.
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