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The 330905-00-11-05-02-00 is a 3300 NSv sensor featuring a 1/4-28 English thread, a 1.1-inch overall case length, and a 0.5-meter total cable length protected by rugged stainless steel armor. This specific hardware configuration comes complete with multiple global hazardous area agency approvals, making it highly reliable for non-contact machinery displacement and vibration monitoring in extreme industrial environments.
Axial (thrust) position measurements
Tachometer and zero speed measurements
Radial vibration and radial position measurements
The 3300 XL NSv Proximity Transducer system is intended for use with centrifugal air compressors, refrigeration compressors, process gas compressors, and other machines with tight installation requirements. The primary uses for the 3300 XL NSv Transducer System are for areas where counter bore, sideview, or rearview restrictions limit the use of standard Bently Nevada 3300 and 3300 XL 5 and 8 mm Transducer Systems. It is also ideal for small target applications, such as measuring radial vibration on shafts smaller than 51 mm (2 in) or axial position on flat targets smaller than 15 mm (0.6 in).
The 3300 XL NSv Transducer System design allows it to replace both the 3300 RAM Transducer Systems and the 3000-series or 7000-series 190 Transducer System. Upgrades from the 3300 RAM system to the 3300 XL NSv system may use the existing probe, extension cable, and monitoring system with 3300 XL NSv Proximitor Sensor. Upgrades from the 3000-series or 7000-series Transducer System must replace the probe, extension cable, and Proximitor Sensor with NSv components.
The 3300 XL NSv Transducer System has an Average Scale Factor of 7.87 V/mm (200 mV/mil), which is the most common output for eddy current transducers. Its enhanced sideview and small target characteristics give it a shorter linear range than the Bently Nevada 3300 XL-series 5 and 8 mm Transducer System. The 1.5 mm (60 mils) of linear range exceeds the linear range of the 3000-series 190 Transducer System.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 330905-00-11-05-02-00 Proximity Probe Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Petrochemical Industry
Used to monitor the axial displacement of high-speed centrifugal compressors and small-diameter high-pressure oil pumps in ethylene and propylene plants.
Thermal Power Industry
Installed inside the bearing housings of boiler feed pumps and small steam turbine generator units to measure radial shaft vibration.
Nuclear Power Industry
Applied to reactor coolant pumps and micro turbine-driven units in auxiliary feedwater systems. By continuously measuring the relative motion between the journal and the bearing bush, the probe evaluates bearing mechanical wear and outputs real-time speed and Keyphasor signals for plant-wide asset protection.
Hydroelectric Power Industry
Used in small-to-medium hydro-turbine generator sets and the pump groups of governor hydraulic systems. Since hydro-turbines are subjected to hydraulic imbalance and Von Karman vortex street impacts, the probe is installed at water guide bearings to specifically monitor large-scale radial shaft swing, preventing shaft bending and deformation.
Steel Metallurgy Industry
Used to monitor bearing vibration in blast furnace Top Gas Recovery Turbine (TRT) power units and large blast furnace blowers. Since blast furnace gas contains micro-dust and corrosive elements, the probe's corrosion-resistant housing protects internal coils from environmental erosion, ensuring stable monitoring of radial runout in multi-stage turbine rotors.
When utilizing the Bently Nevada 330905-00-11-05-02-00 probe, sufficient safety clearance must be strictly maintained between the probe side and any non-target metal around the counterbore or shaft shoulder to prevent electromagnetic cross-talk distortion.
Due to its short linear range of only 1.5 mm, the initial installation gap voltage needs to be regulated with high precision during calibration and commissioning.
Additionally, this hardware must operate with a dedicated 3300 XL NSv Proximitor Sensor and extension cable while ensuring that the total system length is strictly matched. During field operations, factory connector protectors should be used on the ClickLoc connector for airtight and moisture-proof protection, and over-bending or severe pulling of the stainless steel armored cable is strictly prohibited.
The Bently Nevada 330905-00-11-05-02-00 is a 1/4-28 threaded 3300 NSv eddy current proximity probe featuring an integral 0.5-meter stainless steel armored cable and a gold-plated ClickLoc connector. Utilizing patented TipLoc tip molding and CableLoc pull-resistant structures, this hardware delivers robust moisture sealing and anti-vibration loosening capabilities, explicitly optimized for high-reliability mechanical vibration measurements in tight clearances or small target applications.
It is an eddy current proximity probe from the Bently Nevada 3300 XL NSv series, specifically designed for compact industrial machines with tight installation requirements.
What is the Average Scale Factor (sensitivity) of 330905-00-11-05-02-00?
It has an Average Scale Factor of 7.87 V/mm (200 mV/mil), which is the most common output specification for eddy current transducers.
How does 330905-00-11-05-02-00 work?
Serving as the front-end of the 3300 XL NSv Transducer System, it utilizes high-frequency electromagnetic fields from the probe tip to sense tiny gap variations on the rotating shaft surface in a non-contact manner.
In which specific industrial scenarios is 330905-00-11-05-02-00 primarily used?
It is widely used in high-speed rotating machinery with fluid-film bearings, such as centrifugal air compressors, refrigeration compressors, and process gas compressors.
What role does 330905-00-11-05-02-00 play in the refrigeration and gas processing industries?
Since these compressors have extremely compact internal structures, this probe penetrates tight space constraints to provide continuous asset protection for axial position or radial vibration.
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