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        • Lifecycle Status

          Active / Available from OEM
          Apter Power offers fully certified, factory-new Bently Nevada hardware to ensure your rotating machinery benefits from the latest in reliable, industry-standard protection technology.

        330901-05-55-05-11-05

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Bently Nevada 330901-05-55-05-11-05 3300 NSv proximity probe delivers accurate vibration, position, speed, and phase reference measurements for centrifugal compressors and other machinery with limited installation space.
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        Ships by Thursday, October 29
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 330901-05-55-05-11-05

        • Manufacturer:
          Bently Nevada
        • Part Number:
          330901-05-55-05-11-05
        • Product Family:
          NSV Probe
        • Product Type:
          3300 NSv Proximity Probe
        • Stock:
          1
        • Unthreaded Length Option:
          0.5 in
        • Overall Case Length Option:
          5.5 in
        • Total Length Option:
          0.5 meter (20 in)
        • Connector and Cable-Type Option:
          Miniature coaxial ClickLoc connector with connector protector, FluidLoc cable
        • Agency Approval Option:
          Multiple Approvals
        • Probe dc Resistance:
          4.0 ± 0.5 Ω
        • Thread Size:
          1/4-28 UNF
        • Armor:
          Without Armor
        • Operating Temperature:
          -52°C to +177°C (-62°F to +351°F)
        • Storage Temperature:
          -52°C to +177°C (-62°F to +351°F)
        • Weight:
          0.05 kg
        • Estimated shipping dimensions:
          1.2x1x117cm
        • Tariff Code:
          9005100000
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen, Fujian, China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Installation Environmental Rating Application Scenarios

        Features:

        • Compact probe configuration for machinery with restricted counter bore, side-view, or rear-view installation space.
        • Supports vibration, position, speed, and phase reference monitoring within the 3300 XL NSv Proximity Transducer System.
        • Improved chemical resistance, secure ClickLoc connections, and CableLoc pull strength for dependable long-term industrial operation.
        Bently Nevada 330901-05-55-05-11-05 provides an effective monitoring solution for rotating equipment operating in locations where installation space is limited. The compact 3300 NSv probe makes it practical to monitor shafts and targets that cannot accommodate larger transducer systems. Applications include centrifugal air compressors, refrigeration compressors, and process gas compressors that demand consistent machine condition monitoring. Accurate vibration and position data help improve equipment reliability and maintenance planning.

        Integrated with a 3300 NSv extension cable and a 3300 XL NSv Proximitor Sensor, Bently Nevada 330901-05-55-05-11-05 forms a complete eddy current transducer system. Gold-plated ClickLoc connectors create secure electrical connections, while connector protectors reduce the possibility of liquid contamination. TipLoc molding technology strengthens the probe construction, and CableLoc technology delivers 220 N (50 lb) of cable retention for dependable service. These features contribute to stable measurement performance during continuous operation.

        Bently Nevada 330901-05-55-05-11-05 also simplifies modernization projects involving legacy monitoring equipment. Compatibility with previous 3300 RAM probes and extension cables supports convenient upgrades in many existing installations. Improved chemical resistance expands application opportunities in process compressor environments, while the average scale factor of 7.87 V/mm (200 mV/mil) and 1.5 mm linear range support accurate monitoring of small shafts and reduced target areas. The result is a flexible transducer solution for a wide range of industrial rotating machinery.

        The 330901-05-55-05-11-05 Bently Nevada 3300 NSv Proximity Probe may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Bently Nevada 330901-05-55-05-11-05 3300 NSv Proximity Probe Manuals,Datasheets,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. All prices are shown in USD.
        Bently Nevada 330901-05-55-05-11-05 3300 NSv Proximity Probe Specs

        General

        • Manufacturer Bently Nevada
        • Model 330901-05-55-05-11-05
        • Condition New Original ready stock
        • Product Family 330901-05-55-05-11-00,330901-05-55-05-12-05,330901-05-55-05-01-05
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Installation Torque Limitation: When installing on a steel base, the recommended maximum installation torque is no more than 6.8 N·m (60 in·lbf) to prevent damage to the housing.
        • Interference Immunity in Narrow Spaces: Designed for narrow fields of view, in confined spaces such as through-holes or side-mounted areas, a clearance of at least 13 mm (0.5 in) should be maintained between the surrounding metal and the probe side to avoid parasitic effects.
        • Secure Cable Connection: The system features a unique ClickLoc gold-plated connector that securely locks the connection with a simple fingertightening, requiring no additional special tools.
        • System Total Electrical Length Matching: Due to variations in total cable length configurations, during installation, ensure that the probe's electrical length perfectly matches the total length of the extension cable combination for 5.0-meter or 7.0-meter sensor systems.
        • Wide Operating Temperature Range: The probe and integrated cable are rated for operation from -40°C to +120°C (-40°F to +248°F), adapting to drastic temperature variations.
        • Excellent Chemical Resistance: The probe head is molded from polyphenylene sulfide (PPS) and features an integrated Viton (fluororubber) O-ring pressure seal, providing exceptional resistance to process gas corrosion.
        • Explosion-proof and Hazardous Area Certification: This specific model includes a -05 multi-country certification option, fully compliant with ATEX/IECEx Intrinsic Safety standards for hazardous areas.
        • High Mechanical Tensile Strength: The probe transition section incorporates a proprietary CableLoc design, allowing the housing and cable connection to withstand a maximum axial tensile force of 330 N (75 lbf).
        • Small Shaft Radial Vibration Measurement: Specifically designed for monitoring axial displacement and radial vibration in rotating machinery, especially small rotating shafts with a diameter less than 51 mm (2.0 in).
        • Centrifugal Air Compressors: Widely deployed inside the main bearing housings of compact industrial centrifugal air compressors, overcoming the physical space limitations that prevent the insertion of standard 8mm probes.
        • Process Gas and Refrigeration Compressors: Benefiting from high-level sealed chemical protection, commonly used in harsh media environments such as Freon refrigeration units and process natural gas compressors.
        • Axial Displacement Monitoring of Miniature Targets: When the diameter of the target surface at the thrust plate or shaft end of the unit is less than 15 mm (0.6 in), this system provides lower linear distortion than conventional probes.
        Description
        Bently Nevada 330901-05-55-05-11-05 is a 3300 NSv proximity probe developed for rotating machinery that requires reliable shaft monitoring in confined installation environments. The probe supports radial vibration, radial position, axial thrust position, tachometer, zero speed, and phase reference measurements. A 1/4-28 UNF threaded case without armor allows installation where standard transducer systems cannot easily fit. The probe features a 0.5 in unthreaded length, a 5.5 in overall case length, and a total cable length of 0.5 meter (20 in).

        The 330901-05-55-05-11-05 operates as part of the complete 3300 XL NSv Proximity Transducer System, together with a 3300 NSv extension cable and a 3300 XL NSv Proximitor Sensor. The miniature coaxial ClickLoc connector with connector protector and FluidLoc cable provides secure electrical connections while helping prevent loosening during operation. Gold-plated brass ClickLoc connectors improve connection reliability, and connector protectors help reduce liquid intrusion that could affect signal quality.

        Built for demanding industrial environments, the 330901-05-55-05-11-05 offers a probe DC resistance of 4.0 ± 0.5 Ω and supports operating and storage temperatures from -52°C to +177°C (-62°F to +351°F). The NSv probe provides improved chemical resistance compared with the earlier 3300 RAM probe, making it suitable for many process compressor applications. The enhanced side-view characteristics also provide better performance when monitoring small targets or machines with restricted side access.

        The 330901-05-55-05-11-05 is widely applied on centrifugal air compressors, refrigeration compressors, process gas compressors, and other fluid-film bearing machines. It is especially suitable for equipment where counter bore, rear-view, or side-view limitations prevent the installation of standard 3300 or 3300 XL 5 mm and 8 mm transducer systems. The average scale factor of 7.87 V/mm (200 mV/mil) provides the common eddy current transducer output while maintaining a 1.5 mm (60 mils) linear range for small shaft and small target measurements.

        Mechanical and electrical compatibility allows the 330901-05-55-05-11-05 to interchange with previous 3300 RAM proximity probes and extension cables during many upgrade projects. Existing monitoring systems may continue operating with a 3300 XL NSv Proximitor Sensor, while upgrades from 3000-series or 7000-series 190 Transducer Systems require replacement with NSv probe, extension cable, and Proximitor Sensor components. The patented TipLoc molding process strengthens the bond between the probe tip and body, while CableLoc technology provides 220 N (50 lb) of cable pull strength for dependable long-term performance.
        Alternative Names
        33O9O1-O5-55-O5-11-O5 33090I-05-55-05-II-05 3309010555051105 330901-05-55-05-11-00 330901-05-55-05-11-CN 330901-05-55-05-11-BR 330901-05-55-05-11-RU 330901-05-55-05-12-05
        Technical notes
        Engineered for space-restricted environments, this Bently Nevada 3300 NSv probe (330901-05-55-05-11-05) is ideal for monitoring radial vibration on small shafts down to 51 mm (2 inches) in diameter. Its rugged design handles operating temperatures from -40°C to 120°C, providing heavy-duty turbomachinery with critical predictive maintenance insights where standard 8mm probes cannot fit.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        Can 330901-05-55-05-11-05 replace older 3300 RAM transducer components?
        Yes. Bently Nevada 330901-05-55-05-11-05 is mechanically and electrically compatible with previous 3300 RAM proximity probes and extension cables, allowing many upgrade projects to reuse existing components.
        Does 330901-05-55-05-11-05 support operation in harsh temperatures?
        Operating and storage temperatures for Bently Nevada 330901-05-55-05-11-05 range from -52°C to +177°C (-62°F to +351°F), making the probe suitable for demanding industrial environments.
        What advantages does FluidLoc cable offer on 330901-05-55-05-11-05?
        FluidLoc cable enhances cable durability, while the miniature coaxial ClickLoc connector provides secure installation and stable signal transmission throughout continuous machine operation.
        How should 330901-05-55-05-11-05 be configured within a monitoring system?
        Bently Nevada 330901-05-55-05-11-05 operates as part of the 3300 XL NSv Proximity Transducer System together with a 3300 NSv extension cable and a 3300 XL NSv Proximitor Sensor.

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