{"product_id":"174985-03-13-50-bently-nevada-3300-xl-25-mm-underwater-probe","title":"174985-03-13-50 Bently Nevada 3300 XL 25 mm Underwater Probe","description":"\u003ch2\u003eBently Nevada 174985-03-13-50 — 3300 XL 25 mm Underwater Proximity Probe\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 174985-03-13-50\u003c\/strong\u003e is a 3300 XL 25 mm underwater proximity probe designed for machinery measurement points where the probe body may be submerged or exposed to fluids. Its sealed case and attached Tefzel tubing protect the probe assembly and cable section under the specified installation conditions.\u003c\/p\u003e\n\u003cp\u003eThis configuration uses a 1.25-12 UNF thread, a 0.3-inch unthreaded length, a 1.3-inch overall case length, and a 5.0 m total length. These dimensions are important when matching an existing mounting arrangement, maintaining probe-to-target geometry, and confirming the complete measurement chain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCritical installation boundary:\u003c\/strong\u003e The connector end is not sealed against liquids and must not be submerged. The probe case is made from 304 stainless steel and is not suitable for salt-water applications.\u003c\/p\u003e\n\u003ch3\u003e01 | Configuration Breakdown\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFull catalog number:\u003c\/strong\u003e 174985-03-13-50\u003c\/p\u003e\n\u003cblockquote\u003e174985 → 03 → 13 → 50\u003c\/blockquote\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode segment\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eEngineering interpretation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e174985\u003c\/td\u003e\n\u003ctd\u003eProbe family\u003c\/td\u003e\n\u003ctd\u003e3300 XL 25 mm underwater proximity probe; 1.25-12 UNF thread with sealed case and Tefzel tubing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e03\u003c\/td\u003e\n\u003ctd\u003eUnthreaded length\u003c\/td\u003e\n\u003ctd\u003e0.3 in. The family supports length increments of 0.1 in, with a stated range of 0.0–8.9 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eOverall case length\u003c\/td\u003e\n\u003ctd\u003e1.3 in. The supplied configuration information lists a family range of 1.2–9.9 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003eTotal length\u003c\/td\u003e\n\u003ctd\u003e5.0 m (16.4 ft).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSelection note:\u003c\/strong\u003e The 0.3-inch unthreaded length and 1.3-inch overall case length are separate dimensions. Verify both against the installed probe, mounting hardware, and available clearance. Do not select a replacement based only on the thread size or overall appearance.\u003c\/p\u003e\n\u003ch3\u003e02 | Technical Specification Sheet\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct series\u003c\/td\u003e\n\u003ctd\u003e3300 XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003e25 mm underwater proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e174985-03-13-50\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread\u003c\/td\u003e\n\u003ctd\u003e1.25-12 UNF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase construction\u003c\/td\u003e\n\u003ctd\u003eSealed case with Tefzel tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase material\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnthreaded length\u003c\/td\u003e\n\u003ctd\u003e0.3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall case length\u003c\/td\u003e\n\u003ctd\u003e1.3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal length\u003c\/td\u003e\n\u003ctd\u003e5.0 m (16.4 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating and storage temperature\u003c\/td\u003e\n\u003ctd\u003e-51°C to +177°C (-60°F to +351°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecified pressure-seal rating\u003c\/td\u003e\n\u003ctd\u003e34 bar (500 psi) nitrogen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e03 | Mechanical Fit and Installation Geometry\u003c\/h3\u003e\n\u003cp\u003eFor this short-case configuration, dimensional verification is particularly important. The mounting thread, unthreaded section, case length, and available installation depth must all match the machine's design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread engagement:\u003c\/strong\u003e Confirm the 1.25-12 UNF mounting thread and the condition of the mating port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable clearance:\u003c\/strong\u003e Check that the case and cable exit can be installed without interference with guards, adjacent components, or moving parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe position:\u003c\/strong\u003e Verify the specified probe gap and target geometry according to the applicable 3300 XL system documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable routing:\u003c\/strong\u003e Route the 5 m assembly to avoid abrasion, sharp bends, crushing, and unintended strain on the cable or connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement chain:\u003c\/strong\u003e Verify compatibility with the intended extension cable, Proximitor sensor, and monitoring channel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse the original installation drawing or the manufacturer's dimensional documentation to confirm the final mounting arrangement. The catalog dimensions alone do not define the complete probe-to-target installation.\u003c\/p\u003e\n\u003ch3\u003e04 | Fluid Exposure, Pressure and Material Limits\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eRequirement or limitation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe body exposed to fluids\u003c\/td\u003e\n\u003ctd\u003eIntended for specified underwater or fluid-exposure applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector end\u003c\/td\u003e\n\u003ctd\u003eNot sealed against liquids; must not be submerged.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable protection\u003c\/td\u003e\n\u003ctd\u003eTefzel tubing protects the cable section attached to the probe case.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSalt-water service\u003c\/td\u003e\n\u003ctd\u003eNot suitable according to the supplied specification because the case is 304 stainless steel.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure sealing\u003c\/td\u003e\n\u003ctd\u003eRated to seal at 34 bar (500 psi) with nitrogen.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigher-pressure applications\u003c\/td\u003e\n\u003ctd\u003eModifications may be available; confirm the required pressure-seal test with the supplier.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e-51°C to +177°C for operating and storage conditions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe stated nitrogen pressure rating should not be interpreted as a universal pressure rating for every fluid, temperature, or installation. If the process uses a different medium or requires higher pressure, verify the actual sealing configuration and test requirements before installation.\u003c\/p\u003e\n\u003ch3\u003e05 | Machinery Applications\u003c\/h3\u003e\n\u003cp\u003eThe 174985 configuration may be considered for compatible 3300 XL proximity measurement points where the probe body is exposed to fluids and the mounting geometry suits the short-case design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid-exposed rotating machinery:\u003c\/strong\u003e Probe installations where the case may be submerged or exposed to compatible fluids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump and process equipment:\u003c\/strong\u003e Shaft-displacement measurement points that meet the probe's mechanical, electrical, and environmental requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachinery protection systems:\u003c\/strong\u003e A compatible sensing element within a configured proximity measurement channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet machinery enclosures:\u003c\/strong\u003e Applications where the probe case requires fluid exposure protection but the connector can remain outside the liquid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance replacement:\u003c\/strong\u003e Replacing an existing 174985 configuration after verifying thread, lengths, cable arrangement, and the full measurement chain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eActual suitability depends on target material, mounting geometry, fluid chemistry, operating pressure, temperature, and the installed monitor system. These application examples do not establish compatibility with every pump, compressor, or machinery protection platform.\u003c\/p\u003e\n\u003ch3\u003e06 | Measurement Chain Verification\u003c\/h3\u003e\n\u003cp\u003eA proximity probe operates as part of a configured measurement channel. Before commissioning or replacement, confirm the following chain:\u003c\/p\u003e\n\u003cblockquote\u003e174985-03-13-50 probe → Compatible extension cable → Compatible Proximitor sensor → Monitoring channel\u003c\/blockquote\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm that the probe model and cable configuration match the required 3300 XL system.\u003c\/li\u003e\n\u003cli\u003eVerify total cable length and the applicable system requirements.\u003c\/li\u003e\n\u003cli\u003eCheck that the Proximitor sensor and monitor channel are configured for the correct probe system.\u003c\/li\u003e\n\u003cli\u003eConfirm mounting position, target clearance, and probe gap against the approved procedure.\u003c\/li\u003e\n\u003cli\u003eRecord baseline readings after installation so future maintenance can distinguish a new fault from an existing machine condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e07 | Troubleshooting: Isolate the Fault Before Replacement\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSymptom\u003c\/th\u003e\n\u003cth\u003ePotential cause\u003c\/th\u003e\n\u003cth\u003eRecommended diagnostic action\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eReading is unstable after installation\u003c\/td\u003e\n\u003ctd\u003eProbe mounting movement, incorrect gap, target runout, or cable interference\u003c\/td\u003e\n\u003ctd\u003eCheck mounting rigidity, target geometry, probe position, and cable routing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal changes after liquid exposure\u003c\/td\u003e\n\u003ctd\u003eConnector exposure, cable damage, or moisture ingress\u003c\/td\u003e\n\u003ctd\u003eInspect the connector end and cable condition. Confirm that the connector was kept out of the liquid.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput is outside the expected range\u003c\/td\u003e\n\u003ctd\u003eIncorrect probe-to-Proximitor matching, cable fault, or channel configuration issue\u003c\/td\u003e\n\u003ctd\u003eVerify component compatibility and inspect the complete electrical measurement chain.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReading differs from the previous baseline\u003c\/td\u003e\n\u003ctd\u003eProbe position changed, mounting interface altered, or target condition changed\u003c\/td\u003e\n\u003ctd\u003eCompare installation dimensions and gap with the maintenance record before recalibrating or replacing parts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage or seal concern\u003c\/td\u003e\n\u003ctd\u003ePressure or fluid conditions exceed the verified configuration\u003c\/td\u003e\n\u003ctd\u003eConfirm the pressure rating, medium compatibility, and required seal test with the manufacturer or supplier.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosion or surface deterioration\u003c\/td\u003e\n\u003ctd\u003eFluid is incompatible with the 304 stainless-steel case\u003c\/td\u003e\n\u003ctd\u003eReview the process-fluid chemistry and material suitability before returning the probe to service.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic method:\u003c\/strong\u003e Inspect the installation and environmental exposure first, then check the cable and connector, verify the matched Proximitor and monitor channel, and review the target geometry. An abnormal reading alone does not establish that the probe has failed.\u003c\/p\u003e\n\u003ch3\u003e08 | Hazardous-Area Installation Considerations\u003c\/h3\u003e\n\u003cp\u003eThe supplied 3300 XL probe approval information includes the following classifications and installation conditions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntrinsic safety:\u003c\/strong\u003e Class I, Zone 0; AEx\/Ex ia IIC T5...T1 Ga.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional classifications:\u003c\/strong\u003e Class I, Groups A, B, C, and D; Class II, Groups E, F, and G; Class III.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation requirement:\u003c\/strong\u003e Use intrinsically safe zener barriers in accordance with drawing 141092 or suitable galvanic isolators, as applicable to the approved system configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 markings:\u003c\/strong\u003e nA, ec Class I, Zone 2; AEx\/Ex nA IIC T5...T1 Gc; Class I, Division 2, Groups A, B, C, and D; and Class I, Zone 2 AEx\/Ex ec IIC T5...T1 Gc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the approvals applicable to the exact supplied item, temperature schedule, barrier or isolator requirements, and installation drawing. The probe's approval information does not independently establish certification of the complete measurement loop.\u003c\/p\u003e\n\u003ch3\u003e09 | Global PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eFor the 174985-03-13-50, the main replacement risk is a dimensional mismatch. The 0.3-inch unthreaded length and 1.3-inch overall case length define a specific mechanical configuration. A probe with the same series name but a different suffix may not fit the existing mounting arrangement or maintain the required measurement geometry.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, compare the full part number against the installed probe and verify the mounting port, cable routing, and compatible Proximitor system. For fluid-exposed installations, inspect the connector location as part of the installation review. The sealed case does not make the connector end suitable for immersion, and the supplied specification excludes salt-water service.\u003c\/p\u003e\n\u003cp\u003eFor recurring measurement problems, keep a record of probe gap, normal operating readings, fluid exposure, maintenance work, and any changes to the cable or monitoring channel. This information can help distinguish a mechanical installation issue from an electrical mismatch or a genuine probe failure.\u003c\/p\u003e\n\u003ch3\u003e10 | Frequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Why does the 174985-03-13-50 require a dimensional check even when the thread matches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThread compatibility alone does not confirm correct installation. The unthreaded length, overall case length, available clearance, and probe-to-target position all affect the mechanical fit. Compare the complete dimensions with the installed mounting arrangement before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can I replace this probe with another 3300 XL model that has the same total cable length?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNot without checking the full configuration. Thread type, case geometry, probe-system compatibility, and the matched extension cable and Proximitor all matter. Use the complete part number and applicable system documentation to confirm the replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What should I do if the probe is exposed to a fluid other than water?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConfirm the fluid's chemical compatibility with the probe materials and sealing arrangement. The supplied specification identifies a 304 stainless-steel case and explicitly excludes salt-water applications. Do not assume that suitability for one fluid establishes suitability for another.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How should I assess a suspected pressure-seal problem?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecord the operating pressure, process medium, temperature, and observed leakage or seal symptoms. Compare these conditions with the specified 34 bar nitrogen rating and contact the supplier if a different pressure-seal test or configuration is required. Do not exceed verified limits based solely on the nominal rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What information is most useful for confirming a replacement order?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProvide the complete catalog number, required quantity, mounting dimensions, total cable length, compatible extension cable and Proximitor details, operating temperature, process fluid, pressure conditions, and hazardous-area requirements. This allows the supplier to review both physical fit and system compatibility.\u003c\/p\u003e\n\u003ch3\u003e11 | Ordering, Warranty and Shipping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 174985-03-13-50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Bently Nevada 3300 XL 25 mm underwater proximity probe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months, subject to the seller's written warranty terms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping methods:\u003c\/strong\u003e FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch target:\u003c\/strong\u003e 24–48 hours after order and payment confirmation, subject to stock availability and order processing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a quote:\u003c\/strong\u003e Send the full model number \u003cstrong\u003e174985-03-13-50\u003c\/strong\u003e, required quantity, destination, and application details to help verify the configuration before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/174985_2797f50b-40c3-4934-8e99-6030d15735f6.png?v=1789098789\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":67644263661750,"sku":"174985-03-13-50","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/174985_ff4f08ac-277e-4712-8226-3ceb2ed86b85.jpg?v=1792047314","url":"https:\/\/www.plcsparehub.com\/products\/174985-03-13-50-bently-nevada-3300-xl-25-mm-underwater-probe","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}