{"product_id":"bently-nevada-330105-02-12-05-12-cn-3300-xl-8-mm-reverse-mount-proximity-probe","title":"Bently Nevada 330105-02-12-05-12-CN 3300 XL 8 mm Reverse Mount Proximity Probe","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding precise eddy-current proximity measurements in demanding machinery protection environments, this \u003cstrong\u003eBently Nevada 330105-02-12-05-12-CN\u003c\/strong\u003e proximity probe serves as a core sensor component for the \u003cstrong\u003e3300 XL 8 mm\u003c\/strong\u003e series monitoring systems. Engineered for reverse mount applications, it delivers critical shaft vibration and position feedback to machinery protection systems, allowing early fault detection in high-speed rotating assets. The unit features robust mechanical sealing with its specialized \u003cstrong\u003eFluidLoc\u003c\/strong\u003e cable, which blocks internal oil wicking, paired with a miniature \u003cstrong\u003eClickLoc\u003c\/strong\u003e coaxial connector for secure, vibration-resistant electrical contact.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Mount Design:\u003c\/strong\u003e Optimized for installations requiring rear-insertion threading into specialized sleeves or brackets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFluidLoc Cable Technology:\u003c\/strong\u003e Prevents process fluids, lubricants, and moisture from migrating through the internal cable structure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClickLoc Coaxial Connector:\u003c\/strong\u003e Miniature robust connection design that resists mechanical loosening under persistent industrial vibration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePPS Tip Construction:\u003c\/strong\u003e High-performance polyphenylene sulfide (PPS) probe tip provides excellent chemical resistance and structural integrity across wide thermal ranges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Housing:\u003c\/strong\u003e Standard stainless steel construction (AISI 303\/304) ensures survivability in aggressive plant atmospheres.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eRadial vibration monitoring on high-speed steam and gas turbines.\u003c\/li\u003e\n  \u003cli\u003eThrust position measurements on critical process compressors.\u003c\/li\u003e\n  \u003cli\u003eShaft orbit analysis and speed sensing in hydroelectric generators.\u003c\/li\u003e\n  \u003cli\u003eIndustrial gearbox shaft dynamic monitoring and wear analysis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBently Nevada\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e330105-02-12-05-12-CN\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSeries Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3300 XL 8 mm Proximity Probe\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMounting Thread Option (-02)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3\/8-24 UNF reverse mount\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eUnthreaded Length Option (-12)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.2 inches\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eTotal Length Option (-05)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.5 meter (1.6 feet)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConnector and Cable Option (-12)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMiniature ClickLoc coaxial connector, FluidLoc cable\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eAgency Approval Option (-CN)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCountry-specific local certifications (hazardous area approved)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProbe Tip Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProbe Case Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAISI 303 or 304 stainless steel (SST)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-51 degC to +177 degC (-60 degF to +350 degF)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNet Instrument Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.323 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.5 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUnited States (U.S.A.)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eConnector Element\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSignal \/ Circuit Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCoaxial Center Conductor\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eRF signal connection to 3300 XL Proximitor sensor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCoaxial Outer Shield\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCommon return \/ shield ground path\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThis probe must be paired exclusively with a matched \u003cstrong\u003e3300 XL Proximitor Sensor\u003c\/strong\u003e (typically calibrated for 5.0-meter or 9.0-meter system configurations depending on extension cable integration). Mixing probe lengths or tip styles with mismatched Proximitor calibrations will cause severe scale factor errors, deviating from the standard 7.87 V\/mm (200 mV\/mil) sensitivity. The target material is assumed to be AISI 4140 steel; other rotor metallurgies will alter the magnetic coupling and require custom recalibration curves.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDuring reverse-mount assembly, ensure the mounting sleeve does not exert excessive axial compression against the probe tip shoulder. Over-tightening the reverse-mount thread can damage the glass-reinforced PPS tip housing, leading to micro-fractures that permit high-pressure process gas or fluid bypass. Maintaining a minimum radial clearance of 15.2 mm (0.6 in) from surrounding target metal structures is required to prevent parasitic eddy-current paths, which degrade linearity.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eKeep the ClickLoc coaxial connection completely clean and dry during assembly. Even minute quantities of oil mist or moisture inside the coaxial terminal will manifest as high-frequency signal noise or voltage drift, triggering false vibration alerts. It is highly recommended to use a standard connector protector kit (elastomeric boot) over the ClickLoc coupling to preserve isolation impedance, and avoid exceeding the minimum cable bend radius of 25.4 mm (1.0 in).\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 5px;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate and completely lock out the host machine's rotational drive and any internal pressurization paths before threading the reverse-mount assembly. Failure to secure the shaft and bleed residual process pressure can cause hazardous fluid blowback or catastrophic tool impact against the sensor head during adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 15px;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eInspect the reverse mount sleeve cavity and thread port to ensure they are free of burrs, machining debris, or old thread sealant.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eGently thread the probe assembly into the reverse mount housing from the rear, taking care not to twist or put tension on the integral coaxial cable.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eConnect a digital multimeter to the corresponding Proximitor sensor output and carefully adjust the probe depth until the gap voltage registers the correct midpoint calibration value (typically -10.0 VDC for standard 3300 XL systems).\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eSecure the probe locknut to the recommended torque specification, ensuring the gap voltage reading does not drift during final tightening.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668307439979,"sku":"330105-02-12-05-12-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/330105-02-12-05-12-CN-kv1aladtnsx_0b26f42a-9781-4bdc-baf8-c3f49fa02c64.jpg?v=1765520717","url":"https:\/\/www.plcprotech.com\/pt\/products\/bently-nevada-330105-02-12-05-12-cn-3300-xl-8-mm-reverse-mount-proximity-probe","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}