{"product_id":"330105-02-12-50-02-00-bently-nevada-reverse-mount-probes-series","title":"330105-02-12-50-02-00 Bently Nevada Reverse Mount Probes Series","description":"\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePrecision machinery protection demands absolute signal integrity and robust pressure sealing, especially when monitoring high-speed turbomachinery shafts in reverse mount configurations. Based on engineering telemetry evaluations at Global PLC Spare HUB, deploying the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e330105-02-12-50-02-00\u003c\/strong\u003e\u003c\/span\u003e from the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e3300 XL 8 mm Reverse Mount Probes\u003c\/strong\u003e\u003c\/span\u003e family ensures uncompromised eddy current linearity across extreme temperature spans. During a recent critical steam turbine retrofit, replacing an aging sensor assembly with this reverse-mount unit successfully eliminated shaft vibration reading drift and resolved high-frequency noise interference caused by legacy coaxial cabling.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Architecture \u0026amp; Specifications Matrix\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e\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: #d9534f;\"\u003e\u003cstrong\u003e330105-02-12-50-02-00\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series \/ Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e3300 XL 8 mm Reverse Mount Probes\u003c\/strong\u003e\u003c\/span\u003e \/ Eddy Current Proximity Transducer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTip \u0026amp; Case Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS) tip; AISI 303\/304 stainless steel case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Electrical Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR_PROBE center to outer conductor = 8.73 ± 0.50 ohms (5.0m length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/8-24 UNF thread, 0.563 in max thread engagement length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Operating Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard probe: -52°C to +177°C (-62°F to +350°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical Unit Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e323 g\/m (11.4 oz) mass scaling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eConfiguration Breakdown \u0026amp; Suffix Analysis\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model:\u003c\/strong\u003e \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e330105\u003c\/strong\u003e\u003c\/span\u003e - 3300 XL 8 mm Reverse Mount Probe Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size Option (-02):\u003c\/strong\u003e 3\/8-24 UNF integrated mounting threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Length Option (-12):\u003c\/strong\u003e Special configuration metric layout spacing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length Option (-50):\u003c\/strong\u003e Total probe length of 5.0 meters (16.4 feet) designed exclusively for 5-meter Proximitor sensor compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Option (-02):\u003c\/strong\u003e Miniature ClickLoc coaxial connector interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approval Option (-00):\u003c\/strong\u003e Not required \/ standard non-hazardous configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Deployment Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e330105-02-12-50-02-00\u003c\/strong\u003e\u003c\/span\u003e into reverse-mount machinery wells, ensuring the 3\/8-24 UNF threads do not exceed 0.563 inches of engagement.\u003c\/li\u003e\n\u003cli\u003eEnsure operating temperatures remain within -52°C to +177°C and avoid exposing the tip to temperatures below -34°C (-30°F) to prevent pressure seal micro-fractures.\u003c\/li\u003e\n\u003cli\u003eConnect the miniature ClickLoc coaxial connector firmly to a matched 5-meter Proximitor sensor to maintain calibration accuracy.\u003c\/li\u003e\n\u003cli\u003eVerify that differential pressure across the Viton O-ring seal complies with your application limits, as standard probes are un-tested for pressure prior to delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt-in Diagnostics \u0026amp; Operational Health Checks\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains less than a 3% change in Average Scale Factor (ASF) under high 93% relative humidity conditions for up to 56 days.\u003c\/li\u003e\n\u003cli\u003eProvides stable dc resistance feedback (8.73 ohms) allowing continuous loop continuity checks via monitoring diagnostic software.\u003c\/li\u003e\n\u003cli\u003eDetects proximity gap voltage variations instantly to flag mechanical runout or shaft radial displacement anomalies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Industrial Application Sectors\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge steam and gas turbine generator vibration monitoring skids.\u003c\/li\u003e\n\u003cli\u003eCentrifugal compressors and heavy industrial multi-stage pumps.\u003c\/li\u003e\n\u003cli\u003eHigh-speed industrial gearboxes and critical hydro-electric turbine bearings.\u003c\/li\u003e\n\u003cli\u003ePetrochemical refinery turbomachinery protection systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommercial Logistics \u0026amp; Quality Guarantee\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpress Global Fulfillment:\u003c\/strong\u003e Fast and reliable worldwide dispatch via \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003eFedEx, UPS, and DHL\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessing Turnaround:\u003c\/strong\u003e Stocked inventory packed and shipped within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractual Protection:\u003c\/strong\u003e Backed by a comprehensive 12-month quality warranty from the date of purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eModel Selection \u0026amp; Engineering Comparison\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen engineering replacement paths for proximity measurement loops, contrasting baseline variants helps optimize mechanical installation:\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e330105-02-12-50-02-00\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComparison Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/330105-02-12-15-12-05-bently-nevada-3300-xl-8mm-reverse-mount-probe\"\u003e330105-02-12-15-12-05\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngineering Recommendation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe current model features a 5.0-meter fixed cable designed strictly for 5m driver setups, whereas the comparison link variant utilizes a 1.5-meter cable option with agency approvals. Ensure your Proximitor driver cable length matches the probe lead configuration precisely to prevent signal attenuation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is a 5-meter probe version like the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e330105-02-12-50-02-00\u003c\/strong\u003e\u003c\/span\u003e restricted to a 5-meter Proximitor sensor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Eddy current displacement systems are electrically tuned based on total circuit capacitance; mixing mismatched cable lengths will alter the system sensitivity and invalidate vibration calibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What precautions should be taken when tightening the 3\/8-24 UNF threads into a pressure boundary?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Do not exceed the maximum thread engagement length of 0.563 inches, and ensure the Viton O-ring is properly seated to maintain the differential pressure seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does high ambient humidity affect the performance of this reverse mount probe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The probe is engineered to withstand up to 93% relative humidity per IEC standards, exhibiting less than a 3% shift in Average Scale Factor over extended exposure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What troubleshooting steps should I follow if my vibration reading drops to zero?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Inspect the miniature ClickLoc coaxial connector for moisture ingress, check the DC resistance across conductors, and verify that the probe tip gap voltage is within the linear operating range (-10VDC region).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What selection criteria matter most when upgrading legacy Bently Nevada proximity probes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Always verify your thread sizing, total probe length, connector type, hazardous area approval requirements, and matching driver configuration to ensure seamless rack integration.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330105_330106_330f090f-74f7-4f64-9ae1-fc86402905ed.png?v=1781601845\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013949317302,"sku":"330105-02-12-50-02-00","price":147.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/Bently330105_11.jpg?v=1789629190","url":"https:\/\/www.plcsparehub.com\/products\/330105-02-12-50-02-00-bently-nevada-reverse-mount-probes-series","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}