{"product_id":"174985-89-99-90-bently-nevada-proximity-probe-3300-xl-series","title":"174985-89-99-90 Bently Nevada Proximity Probe 3300 XL Series","description":"\u003ch3\u003eEngineering Overview \u0026amp; Submerged Sensing Architecture\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e174985-89-99-90\u003c\/strong\u003e\u003c\/span\u003e manufactured by \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e is an advanced 25mm underwater proximity probe engineered for continuous vibration and radial position monitoring in fluid-immersed environments. As part of the industry-standard \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3300 XL\u003c\/strong\u003e\u003c\/span\u003e series, this specialized transducer utilizes a 304 stainless steel sealed case and protective Tefzel tubing to safeguard internal leads against harsh processing fluids. Reliability engineers deploy this probe to monitor hydro turbines, submerged pumps, and industrial compressors where standard sensors fail.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Operational Ratings\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e Baker Hughes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e174985-89-99-90\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3300 XL\u003c\/strong\u003e\u003c\/span\u003e 25mm Underwater Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSubmerged Proximity Probe Transducer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25-12 UNF Sealed Case with Tefzel Tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-51 degrees Celsius to +177 degrees Celsius (-60 degrees Fahrenheit to +351 degrees Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Seal Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRated to seal 34 Bar (500 psi) Nitrogen pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHazardous Area Certifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntrinsically Safe (ia) Class I Zone 0; Non-Sparking (nA, ec) Class I Zone 2 \/ Division 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePart Number Configuration Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe probe part number \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e174985-AA-BB-CC\u003c\/strong\u003e\u003c\/span\u003e follows a precise dimensional configuration code:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAA (Unthreaded Length Option):\u003c\/strong\u003e Set to 89 (8.9 inches unthreaded length; configurable from 0.0 to 8.9 inches in 0.1-inch increments).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBB (Overall Case Length Option):\u003c\/strong\u003e Set to 99 (9.9 inches overall case length; configurable from 1.2 to 9.9 inches in 0.1-inch increments).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCC (Total Length Option):\u003c\/strong\u003e Set to 90 (9.0 metres \/ 29.5 feet total integrated cable length).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Mechanical Deployment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the mounting thread is torqued correctly into the machine housing using proper sealing compound.\u003c\/li\u003e\n\u003cli\u003eRoute the protective Tefzel tubing carefully to avoid sharp metal edges or excessive bending radius.\u003c\/li\u003e\n\u003cli\u003eKeep the connector end outside the fluid boundary, as the connector terminal is not liquid-sealed.\u003c\/li\u003e\n\u003cli\u003eVerify that the process fluid is compatible with 304 Stainless Steel and avoid salt-water applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning \u0026amp; Operational Usability\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConnect the probe lead to a calibrated \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3300 XL\u003c\/strong\u003e\u003c\/span\u003e proximity sensor extension cable and proximitor driver.\u003c\/li\u003e\n\u003cli\u003ePerform initial gap voltage checks using a digital multimeter to confirm correct mechanical clearance.\u003c\/li\u003e\n\u003cli\u003eVerify zero-position stability and vibration signal output through the monitoring rack software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEquipment Compatibility \u0026amp; System Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully compatible with \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3300 XL\u003c\/strong\u003e\u003c\/span\u003e 25mm proximitor sensors and extension cables.\u003c\/li\u003e\n\u003cli\u003eIntegrates seamlessly with rack-based machinery protection systems like 3500 series monitors.\u003c\/li\u003e\n\u003cli\u003eComplies with intrinsic safety barriers per drawing 141092 and approved galvanic isolators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality Standards, Warranty \u0026amp; Fulfillment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured under rigorous quality control standards for critical rotating machinery protection.\u003c\/li\u003e\n\u003cli\u003eBacked by a comprehensive 12-month operational replacement warranty.\u003c\/li\u003e\n\u003cli\u003eExpedited global dispatch within 24 to 48 hours via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Industrial Applications \u0026amp; Suitable Equipment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubmerged hydroelectric turbine generator shaft vibration monitoring.\u003c\/li\u003e\n\u003cli\u003eLarge industrial water-cooling pumps and deep-well booster units.\u003c\/li\u003e\n\u003cli\u003ePetrochemical fluid-processing reaction vessels and agitators.\u003c\/li\u003e\n\u003cli\u003eSubmersible compressor bearings requiring continuous radial measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilt-In Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReal-time gap voltage monitoring to detect probe shifting or mechanical looseness.\u003c\/li\u003e\n\u003cli\u003eSignal continuity checks to identify cable damage inside the protective tubing.\u003c\/li\u003e\n\u003cli\u003eSelf-diagnostic fault flagging through connected machinery protection monitor racks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModel Selection and Technical Comparison\u003c\/h3\u003e\n\u003cp\u003eWhen selecting underwater vibration transducers, matching length options to your specific mounting nozzle depth is critical. For instance, comparing the current configuration with \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/bently-nevada-174985-00-12-90-25mm-underwater-probe\"\u003e174985-00-12-90\u003c\/a\u003e highlights key dimensional differences. While model \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e174985-89-99-90\u003c\/strong\u003e\u003c\/span\u003e features an 8.9-inch unthreaded section and a 9.9-inch overall case, the alternative \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/bently-nevada-174985-00-12-90-25mm-underwater-probe\"\u003e174985-00-12-90\u003c\/a\u003e features a 0.0-inch unthreaded length with a 1.2-inch case length, making it suitable for shallower nozzle penetrations. Always verify your machine's penetration depth before ordering.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eDuring an overhaul of a vertical hydroelectric generator, technicians experienced erratic vibration spikes on a submerged bearing. Field inspection revealed that while the probe body remained sealed, moisture had wicked into the unsealed connector end because it was mounted too close to the splash zone inside the housing drain. Extending the Tefzel tubing and relocating the terminal block above the fluid line completely eliminated signal noise and restored stable vibration monitoring.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Can this underwater probe be installed in marine or salt-water environments?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e No, the probe case is constructed from 304 Stainless Steel and is explicitly unsuitable for salt-water applications due to corrosion risks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Is the entire assembly submersible including the connector end?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e No, only the probe tip and tubing are protected against fluids; the connector end is not liquid-sealed and must never be submerged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e What maximum pressure can the probe tip seal withstand during operation?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e The probe is rated to seal up to 34 Bar (500 psi) of Nitrogen pressure under normal operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e How do I interpret the '89-99-90' suffix numbers in the part string?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e They represent the unthreaded length (8.9 inches), overall case length (9.9 inches), and total cable length (9.0 metres) respectively.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e What maintenance steps should be performed during routine plant shutdowns?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Inspect the Tefzel tubing for abrasion, check the mounting threads for mechanical security, and verify that the connector dry-well remains entirely free of moisture.\u003c\/p\u003e\n\u003ch3\u003eSelection \u0026amp; Purchasing Guide\u003c\/h3\u003e\n\u003cp\u003eWhen selecting a specialized proximity probe for submerged applications, verify your mounting well depth, required cable length, and process fluid compatibility. Choosing authentic manufacturer-certified sensing hardware ensures uninterrupted machinery protection and prevents costly catastrophic equipment failures.\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":50494057414838,"sku":"174985-89-99-90","price":168.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/174985_a4986920-1772-43d6-a291-1f21cd5d6989.jpg?v=1790062838","url":"https:\/\/www.plcsparehub.com\/products\/174985-89-99-90-bently-nevada-proximity-probe-3300-xl-series","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}