{"product_id":"330881-28-10-112-03-02-bently-nevada-proxpac-xl-proximity-transducer-housing","title":"330881-28-10-112-03-02 Bently Nevada PROXPAC XL Proximity Transducer Housing","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-10-112-03-02 Bently Nevada\u003c\/strong\u003e\u003c\/span\u003e PROXPAC XL Proximity Transducer Assembly provides self-contained, weatherproof housing protection for proximity probe installations on industrial machinery. Engineered with glass-reinforced PPS thermoplastic and 304\/303 stainless steel sleeves, this unit integrates an internal 3300 XL 8 mm probe with multiple hazardous agency approvals. Configured with a 100 mm standoff adapter, 112 mm probe penetration depth, M20 cable fittings, and a 3\/4-14 NPT mounting thread, it delivers continuous non-contact shaft displacement measurement while shielding delicate probe connections from mechanical impact and fluid ingress.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Architecture Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada PROXPAC XL Transducer Series\u003c\/strong\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe \u0026amp; Approvals Option [28]:\u003c\/strong\u003e 3300 XL 8 mm Probe with Multiple Hazardous Area Approvals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandoff Adapter Option [10]:\u003c\/strong\u003e B Dimension = 100 mm Standoff Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Penetration Option [112]:\u003c\/strong\u003e C Dimension = 112 mm Insertion Depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFittings Option [03]:\u003c\/strong\u003e One M20 Threaded Conduit Fitting, Two Sealing Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Thread Option [02]:\u003c\/strong\u003e 3\/4-14 NPT Threaded Process Connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Operating Boundaries\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering Parameter\u003c\/th\u003e\n\u003cth\u003eField Specification Detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Order Part Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-10-112-03-02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003ePROXPAC XL Proximity Transducer Assembly\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinear Measurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 mm (80 mils), spanning 0.25 mm to 2.3 mm gap window (-1 Vdc to -17 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScale Factor (ISF)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.87 V\/mm (200 mV\/mil) ±5% average scale factor linearity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDeviation from Straight Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than ±0.025 mm (±1 mil) over calibrated operating range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response Window\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 10 kHz (+0, -3 dB attenuation with up to 305 m field cabling)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Gap Setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.27 mm (50 mils) physical standoff (-9.0 Vdc bias point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-17.5 Vdc to -26 Vdc (direct) \/ -23 Vdc to -26 Vdc (with safety barriers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Ingress Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP66 Weatherproof \/ Dust-tight (BASEEFA certified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Window\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-51°C to +177°C (-60°F to +350°F) Probe Assembly Limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Assembly Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.44 kg (3.2 lbs) Net Assembly Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatible Hardware \u0026amp; Operational Deployments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Components \u0026amp; Electronics:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3300 XL Proximitor Sensors\u003c\/strong\u003e\u003c\/span\u003e and matching extension cable systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3500\/40M \u0026amp; 3500\/42M Vibration Monitors\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e3-conductor shielded triaxial field cabling (up to 305 meters \/ 1,000 feet).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Machinery \u0026amp; Industrial Systems:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eOuter bearing housing installations on heavy induction motors and generators.\u003c\/li\u003e\n\u003cli\u003eRotor shaft thrust and radial vibration monitoring on boiler feed pumps, fans, and blowers.\u003c\/li\u003e\n\u003cli\u003eExternal machine casing mounts exposed to high-pressure washdown, rain, or outdoor corrosive elements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic \u0026amp; Predictive Monitoring Capabilities\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-10-112-03-02 Bently Nevada\u003c\/strong\u003e\u003c\/span\u003e assembly housing protects internal signal connections while delivering unfiltered gap voltage data to plant diagnostic systems. Monitoring the raw DC bias voltage enables predictive tracking of bearing babbitt wear, shaft center position shifts, and dynamic vibration amplitudes. Sudden shifts in output voltage toward zero indicate short circuits or cable pinch points, whereas negative saturation beyond -21 Vdc alerts maintenance teams to damaged probe tips or loose sleeve retaining hardware.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eIn outdoor cooling tower fan retrofits, field technicians frequently encountered moisture ingress that degraded standard probe coax connectors inside unsealed junction boxes. Upgrading to the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-10-112-03-02 Bently Nevada\u003c\/strong\u003e\u003c\/span\u003e PROXPAC XL system resolved the vulnerability. The IP66-rated UV-resistant thermoplastic body and neoprene sleeve seals completely blocked rain and chemical vapor intrusion. The pre-measured 100 mm standoff and 112 mm penetration sleeves allowed technicians to set accurate probe gaps externally without removing machine covers.\u003c\/p\u003e\n\u003ch3\u003eWarranty, Logistics \u0026amp; Fast Shipping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Condition:\u003c\/strong\u003e 100% Brand New Original Industrial Supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Protection:\u003c\/strong\u003e Full 12-Month Quality Warranty from dispatch date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder Processing Window:\u003c\/strong\u003e Fast handling, shipping within 24 to 48 hours post-payment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Express Courier:\u003c\/strong\u003e Direct door-to-door delivery via FedEx, UPS, and DHL networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Selection \u0026amp; Operational FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of combining a standoff adapter and penetration sleeve in this assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe standoff adapter elevates the housing above hot machine casings to isolate internal cabling from extreme heat, while the penetration sleeve extends the probe tip precisely to the target shaft surface through thick insulation or outer housing walls.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do installation teams ensure tight environmental seals on the M20 cable gland entries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstall certified IP66\/67 metric cable glands using thread sealant or O-rings on the M20 port, and ensure the remaining two unused ports are fully capped with the provided threaded stainless sealing plugs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is it important to verify supply voltage stays more negative than -23.5 Vdc when using safety barriers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOperating at voltages more positive than -23.5 Vdc reduces the available linear voltage range, causing the proximity driver to saturate early during high-amplitude shaft vibration peaks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mechanical torque specification should be applied to the probe sleeve locknut during field setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTighten the probe sleeve locknut to exactly 39.3 N·m (350 in·lb) using a calibrated torque wrench to prevent loosening caused by heavy machine vibration while maintaining probe position stability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat physical shaft diameter constraint is required for accurate 200 mV\/mil scale calibration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe target shaft must have a minimum target diameter of 50.8 mm (2.0 inches). Mounting the 8 mm probe tip over smaller shaft diameters alters magnetic field dissipation, resulting in scale factor errors.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330880_330881.png?v=1784786109\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013959770294,"sku":"330881-28-10-112-03-02","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330881-28-04-105-00-02_92c0940d-c382-4c4a-94df-564738bebf26.jpg?v=1787731161","url":"https:\/\/www.plcsparehub.com\/products\/330881-28-10-112-03-02-bently-nevada-proxpac-xl-proximity-transducer-housing","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}