{"product_id":"bently-nevada-330904-00-12-05-02-05-3300-xl-nsv-proximity-probes","title":"Bently Nevada 330904-00-12-05-02-05 3300 XL NSv Proximity Probes","description":"\u003cp\u003eEngineered explicitly for hydrodynamic bearings and high-speed turbomachinery constrained by severe space limitations, the \u003cstrong\u003eBently Nevada 330904-00-12-05-02-05\u003c\/strong\u003e (\u003cstrong\u003e330904-00-12-05-02-05\u003c\/strong\u003e 3300 NSv Proximity Probes) delivers precise non-contact displacement tracking where standard 8 mm sensor geometries cannot physically fit.\u003c\/p\u003e\n\u003ch3\u003eConfiguration and Designation Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBase Design: 330904 (3300 NSv Armored Probe Assembly)\u003c\/li\u003e\n\u003cli\u003eUnthreaded Body Length: 00 (0 mm unthreaded portion beneath head)\u003c\/li\u003e\n\u003cli\u003eCase Length Specification: 12 (120 mm overall threaded barrel length)\u003c\/li\u003e\n\u003cli\u003eIntegral Cable Length: 05 (0.5 meter \/ 20 in lead length)\u003c\/li\u003e\n\u003cli\u003eTermination Hardware: 02 (Miniature coaxial ClickLoc connector with standard cable)\u003c\/li\u003e\n\u003cli\u003eHazardous Area Certifications: 05 (Multiple Approvals including CSA, ATEX, IECEx)\u003c\/li\u003e\n\u003cli\u003eSystem Platform: Bently Nevada 3300 XL NSv\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical and Electrical Parameters\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e330904-00-12-05-02-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e330904-00-12-05-02-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e1.5 x 1.3 x 116 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 deg C to +177 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eExternal Proximitor loop (-17.5 VDC to -26 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Sensing Principle\u003c\/td\u003e\n\u003ctd\u003eHigh-frequency eddy-current displacement transduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Sensitivity\u003c\/td\u003e\n\u003ctd\u003eNominal 7.87 V\/mm (200 mV\/mil) scale factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eField Tuning and Mechanical Dynamics\u003c\/h3\u003e\n\u003cp\u003eOperating small-bore machinery requires strict validation of the static gap voltage to ensure linear measurement across the restricted 1.5 mm span. Maintenance engineers must adjust the probe mounting depth until the voltmeter at the Proximitor output terminal reads -10 VDC, maintaining an active window between -8 VDC and -12 VDC. Because armored stainless steel cabling provides mechanical protection against harsh compressor environments, technicians must still ensure proper shield grounding and maintain adequate physical separation from high-frequency variable-frequency drive lines to prevent electromagnetic cross-talk.\u003c\/p\u003e\n\u003ch3\u003eBill of Materials Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 330904 NSv Armored Probe Tip with M8x1 Threaded Body\u003c\/li\u003e\n\u003cli\u003e1 x Integral 0.5-meter Coaxial Cable with ClickLoc Connector\u003c\/li\u003e\n\u003cli\u003e1 x Stainless Steel Protective Armor Hose (Factory Installed)\u003c\/li\u003e\n\u003cli\u003e1 x Factory Calibration and Conformance Documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Installation and Alignment Rules\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHole Preparation: Machine and tap the equipment casing for an M8x1 thread, ensuring the mounting face is machined completely flat and square to the rotor shaft.\u003c\/li\u003e\n\u003cli\u003eTorque Limits: Tighten the probe body using a calibrated wrench to establish a firm mechanical lock, avoiding excessive torque that could distort the internal PPS plastic tip.\u003c\/li\u003e\n\u003cli\u003eInitial Gap Setting: Set the cold static gap distance to 1.0 mm (40 mils) using a feeler gauge or depth micrometer before locking jam nuts in place.\u003c\/li\u003e\n\u003cli\u003eClearance Margins: Ensure a minimum counterbore diameter of 13 mm (0.5 in) around the probe tip to prevent edge-effect distortion of the high-frequency electromagnetic field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhy does the NSv series use a smaller linear range than standard 8 mm probes?\u003c\/p\u003e\n\u003cp\u003eThe specialized coil geometry and field shaping are optimized for small targets and tight counterbores, resulting in a condensed 1.5 mm linear operating range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan this probe operate directly with a standard 8 mm Proximitor sensor?\u003c\/p\u003e\n\u003cp\u003eNo, NSv probes require a matched 3300 XL NSv Proximitor sensor calibrated specifically to the unique electrical characteristics of the NSv coil design.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the primary purpose of the stainless steel armor?\u003c\/p\u003e\n\u003cp\u003eThe armor provides robust mechanical shielding against physical abrasion, metal chips, and harsh fluid contact inside congested compressor housings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs it acceptable to shorten or splice the integral 0.5-meter cable?\u003c\/p\u003e\n\u003cp\u003eNo, altering the cable length changes total circuit capacitance, which invalidates factory calibration and distorts vibration amplitude output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow close can two NSv probes be mounted in an X-Y radial configuration?\u003c\/p\u003e\n\u003cp\u003eMaintain a minimum center-to-center tip separation of 23 mm (0.9 in) to prevent high-frequency carrier signal interference between adjacent channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat causes sudden shifts in the steady-state gap voltage?\u003c\/p\u003e\n\u003cp\u003eThermal expansion of machine casings, shifting journal positions, or loose mounting clamps typically introduce observable DC voltage drifts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this probe support live hot-swapping during plant operation?\u003c\/p\u003e\n\u003cp\u003eDisconnecting sensor circuits on active machinery can introduce electrical noise spikes that risk triggering false protection system trips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum distance allowed between the Proximitor and the monitor?\u003c\/p\u003e\n\u003cp\u003eThe signal loop can extend up to 305 meters (1,000 feet) using three-conductor shielded triad cable connected to the monitor rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46025340780717,"sku":"330904-00-12-05-02-05","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/xian12_e583b9c0-913d-47ea-971e-30414def62ec.jpg?v=1783668668","url":"https:\/\/www.maxwellplc.com\/ga\/products\/bently-nevada-330904-00-12-05-02-05-3300-xl-nsv-proximity-probes","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}