Bently Nevada 3300 Series Modules: 330103-11-19-10-02-00 Proximity Transducer

Technical Dossier

Product Details And Specifications

Bently Nevada 3300 Series Technical Notes

The Bently Nevada 3300 Series is one of the most widely deployed eddy-current proximity transducer systems in global heavy industry. Installed across petrochemical refineries, nuclear power stations, LNG terminals, offshore platforms, and rotating machinery facilities, the 3300 Series provides continuous, non-contact measurement of shaft radial vibration, axial position, differential expansion, and eccentricity. Its field-proven architecture has made it the de facto standard for API 670-compliant machinery protection systems on steam turbines, gas compressors, centrifugal pumps, and large electric motors. The system operates on a three-component topology: a probe (transducer), an extension cable, and a proximitor/oscillator-demodulator, all of which must be system-matched to maintain calibration integrity and measurement accuracy within ±0.5% of full scale.

The Evolution of 3300 Series Architecture

The 3300 Series was introduced by Bently Nevada (now a Baker Hughes company) as a successor to the earlier 7200 and 3000 Series transducer systems. The original 3300 platform standardized on a 5-meter and 9-meter cable system with a nominal scale factor of 200 mV/mil (7.87 V/mm), operating from a -24 VDC supply. Early variants used a fixed-gap calibration approach; later revisions introduced the Extended Range (XL) architecture, which extended the linear measurement range from 80 mil (2.03 mm) to 100 mil (2.54 mm) without changing the probe diameter, enabling retrofit into existing installations without mechanical modification.

3300 Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked components within the Bently Nevada 3300 Series. Each entry reflects a distinct part number with a defined functional role within the machinery protection system.

330103-11-19-10-02-00: 3300 XL 8mm proximity probe, 19mm thread, 10mm cable, standard temperature, 5m integral cable assembly — the subject SKU of this listing.
330103-00-06-10-02-00: 3300 XL 8mm probe, 6mm thread, 10mm cable, standard temperature, 5m cable.
330103-00-06-10-02-05: 3300 XL 8mm probe, 6mm thread, 10mm cable, high-temperature variant, 5m cable.
330103-11-19-10-02-05: 3300 XL 8mm probe, 19mm thread, 10mm cable, high-temperature, 5m cable.
330104-00-06-10-02-00: 3300 XL 8mm probe, 6mm thread, 10mm cable, standard temperature, 9m cable assembly.
330104-11-19-10-02-00: 3300 XL 8mm probe, 19mm thread, 10mm cable, standard temperature, 9m cable.
330130-080-01-00: 3300 XL 8mm proximitor/oscillator-demodulator, -24 VDC, 5m/9m system, DIN rail mount.
330180-91-00: 3300 NSv 5mm proximity probe, standard temperature, 5m integral cable.
330180-91-05: 3300 NSv 5mm proximity probe, high-temperature, 5m integral cable.
330101-00-06-10-02-00: 3300 5mm standard probe, 6mm thread, 5m cable, non-XL range.
330101-00-06-10-02-05: 3300 5mm standard probe, 6mm thread, 5m cable, high-temperature.
330105-02-12-10-02-00: 3300 XL 11mm probe, 12mm thread, 10mm cable, standard temperature, 5m cable.
330105-02-12-10-02-05: 3300 XL 11mm probe, 12mm thread, 10mm cable, high-temperature, 5m cable.
330106-02-12-10-02-00: 3300 XL 11mm probe, 12mm thread, 10mm cable, standard temperature, 9m cable.
330130-040-01-00: 3300 XL 5mm proximitor/oscillator-demodulator, -24 VDC, DIN rail mount.
330130-045-01-00: 3300 XL 5mm proximitor, extended temperature range, DIN rail mount.
330190-080-01-00: 3300 NSv 8mm proximitor, non-standard voltage output, -24 VDC supply.
330850-50-00: 3300 Series extension cable, 5m, standard temperature, coaxial, armored jacket.
330851-50-00: 3300 Series extension cable, 9m, standard temperature, coaxial, armored jacket.
330852-50-00: 3300 Series extension cable, 5m, high-temperature, coaxial, armored jacket.

Quality Control for the 3300 Series Range

The 3300 Series proximity transducer system requires end-to-end verification as a matched set, not as individual components. DriveKNMS applies a structured test protocol to all 3300 Series inventory prior to dispatch. Each probe is subjected to gap voltage linearity testing across the full measurement range using a calibrated target material (AISI 4140 steel, per Bently Nevada specification). Extension cables are tested for coaxial impedance continuity, shield integrity, and connector pin retention force. Proximitor modules are bench-tested under -24 VDC supply conditions, with output voltage verified at defined gap increments (0.25mm steps) against the published scale factor of 7.87 V/mm ±0.5%. High-temperature variants (suffix -05) are additionally verified for insulation resistance at 150°C. All test data is logged and retained for a minimum of 5 years. Systems destined for nuclear or safety-instrumented applications are processed under a separate QC protocol with dual-technician sign-off.