Bently Nevada 330851-02-000-050-90-00-CN 3300 XL 25 mm Proximity Probe

Description Bently Nevada 330851-02-000-050-90-00-CN serves as an extended-range eddy current sensor designed primarily for measuring Differential Expansion (DE) on large steam turbine generators. This 25 mm probe system delivers a broad linear range of 12.7 mm (500 mils), tracking the relative thermal growth discrepancy between the machine’s rotating rotor and its stationary casing. Are you managing a scheduled turbine overhaul or responding to an unexpected sensor fault on a critical generation asset? This precise mechanical configuration is currently available to support your facility’s turbomachinery protection infrastructure. Availability: In Stock Lead Time: 2 to 3 business days for international air dispatch Condition: Brand New Original in Factory Sealed Package Warranty: 12-Month Mechanical and Electrical Warranty Pricing Note: The pricing listed on our marketplace functions as a standard industry reference point. Actual procurement cost shifts based on spot material dynamics, distribution volume, and global logistics variables. Contact our specialized trade desk to receive an exact, formal quotation.   Part Number Breakdown and Mechanical Specifications Understanding the exact physical attributes of your sensor string prevents critical installation delays during tight maintenance windows. The specific configuration alphanumeric options for part number 330851-02-000-050-90-00-CN expand as follows: 330851: 3300 XL 25 mm Proximity Probe base series 02: M30x2 Metric Threaded Case Type 000: 0 mm Unthreaded Case Length 050: 50 mm Overall Case Length 90: 9.0 meters (29.5 feet) Total System Length 00: No Flexible Stainless Steel Armor CN: Country-Specific Agency Approvals (Compulsory documentation for mainland industrial sites) Technical Performance Parameters Parameter Value Model Configuration 330851-02-000-050-90-00-CN Scale Factor 0.787 V/mm (20 mV/mil) nominal Linear Range 12.7 mm (500 mils) starting at roughly 0.63 mm from tip Tip Material Polyetheretherketone (PEEK) Case Material AISI 304 Stainless Steel (SST) Operating Temperature −35 to 200 °C continuous Cable Type 75 \Omega triaxial PFA-insulated FluidLoc coaxial cable Well, technically the 9.0-meter system length matches directly to a 3300 XL 25 mm Proximitor sensor without requiring an intermediary extension cable, but only if you plug it straight into the matching 9.0 m panel module. Mixing a 9.0 m probe with a 5.0 m extension cable or incorrect proximitor model skews the electrical length calibration completely, which will compromise your machine protection loop.   Cross-Border Shipping, Logistics, and Trade Compliance Exporting high-precision vibration monitoring equipment across international boundaries involves navigating strict regulatory compliance layers. Because the “CN” designation signifies specific regulatory regional testing, specific certification paperwork must accompany the freight forwarder to avoid customs hold-ups at the border. [ Origin Warehouse ] ──► [ Compliance Verification ] ──► [ Air Express Hub ] │ [ Client Asset ] ◄── [ Site Delivery (DDP/DAP) ] ◄── [ Customs Release ] Specialized Packaging Protocol Every 330851-02-000-050-90-00-CN probe is coiled at the factory to meet the minimum bend radius of 25.4 mm (1.0 inch) and enclosed inside a sealed moisture-barrier bag. To maintain the structural profile of the PEEK tip during international transit, units are shipped in rigid outer cartons packed with high-density foam stabilization matrix. Trade Documentation Metrics Our documentation team minimizes clearance friction by supplying standardized global trade data sheets directly to your broker: Harmonized Tariff Schedule (HS Code): 9031.80.8085 (Other measuring or checking instruments) Export Control Classification Number (ECCN): EAR99 (Unless restricted by regional commercial sanctions) Provided Records: Commercial Invoice, Package Weight/Volume Declarations, and Manufacturer Certificate of Origin (COO) upon request.   Frequently Asked Questions What makes the FluidLoc cable construction necessary? The standard FluidLoc cable design integrated into the 3300 XL 25 mm probes prevents hazardous gases or process liquids from leaking out of the machine interior through the internal structure of the coaxial cable braid. This is crucial for steam turbine environments where high-pressure condensation is constantly present near the casing entry points. Can I replace an older 7200 series 25 mm probe with this unit? No. The 3300 XL 25 mm system uses completely distinct internal electronics and scaling configurations compared to the legacy Bently Nevada 7200 series. Upgrading to the 330851 configuration requires swapping out both the probe and the accompanying Proximitor sensor as a matched system loop. Which connection protectors should be applied at installation? Each probe includes a standard ClickLoc miniature coaxial connector. To safeguard the gold-plated contacts against industrial grime and moisture ingress over long operating cycles, always utilize the connector protector kits provided in the original box. Ensure the connection is only finger-tightened during installation; over-torquing can deform the internal pins. 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