{"product_id":"330881-28-06-155-03-02-proximity-assembly-bently-nevada-proxpac-xl","title":"330881-28-06-155-03-02 Proximity Assembly Bently Nevada PROXPAC XL","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-06-155-03-02\u003c\/strong\u003e\u003c\/span\u003e is an all-in-one integrated proximity transducer housing assembly from the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada PROXPAC XL Series\u003c\/strong\u003e\u003c\/span\u003e. Made in the USA, this rugged assembly combines a 3300 XL 8 mm eddy current probe, an internal Proximitor sensor, and an IP66 weather-proof enclosure into a single, self-contained unit. Designed for field mounting directly onto rotating machine casings, the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-06-155-03-02\u003c\/strong\u003e\u003c\/span\u003e simplifies vibration monitoring setup by eliminating external Proximitor housing boxes and long interconnect cables.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881\u003c\/strong\u003e\u003c\/span\u003e: PROXPAC XL Proximity Transducer Assembly\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e-28 (Probe and Approvals):\u003c\/strong\u003e 3300 XL 8 mm probe with Multiple International Hazardous Area Approvals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-06 (Standoff Adapter Option B):\u003c\/strong\u003e 60 mm Standoff Adapter length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-155 (Probe Penetration Option C):\u003c\/strong\u003e 155 mm probe penetration depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-03 (Fittings Option):\u003c\/strong\u003e One M20 conduit fitting entry, two blind plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-02 (Mounting Thread Option):\u003c\/strong\u003e 3\/4-14 NPT process mounting thread\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003e\u003cstrong\u003eParameter Category\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eEngineering Value \/ Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\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\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003ePROXPAC XL Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-06-155-03-02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 mm (80 mils) spanning 0.25 mm to 2.3 mm (-1 Vdc to -17 Vdc)\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) mechanical gap setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncremental Scale Factor (ISF)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.87 V\/mm (200 mV\/mil) ±5% over linear range at 0 °C to +45 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDeviation from Straight Line (DSL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than ±0.025 mm (±1 mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-17.5 Vdc to -26 Vdc (12 mA max); -23 Vdc to -26 Vdc with intrinsic safety barriers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 Hz to 10 kHz (+0, -3 dB with up to 305 m field wiring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Protection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP66 verified by BASEEFA (Report T07\/0709)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUV-resistant glass-reinforced PPS thermoplastic with conductive fibers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Tip \u0026amp; Sleeve Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene Sulfide (PPS) tip; AISI 304\/303 Stainless Steel sleeve and screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Impact Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBASEEFA certified for 4 Joule impact at -39 °C and 115 °C; CSA certified for 7 Joule impact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-51 °C to +177 °C (-60 °F to +350 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal System Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.44 kg (3.2 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eModel Selection \u0026amp; Technical Comparison\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Feature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-06-155-03-02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/330881-28-10-112-03-02-bently-nevada-proxpac-xl-proximity-transducer-housing\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-10-112-03-02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandoff Adapter (Option B)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 mm Standoff Adapter length (-06)\u003c\/td\u003e\n\u003ctd\u003e100 mm Standoff Adapter length (-10)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Penetration (Option C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e155 mm penetration depth (-155)\u003c\/td\u003e\n\u003ctd\u003e112 mm penetration depth (-112)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcess Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT Thread (-02)\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT Thread (-02)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHazardous Area Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultiple Approvals (-28)\u003c\/td\u003e\n\u003ctd\u003eMultiple Approvals (-28)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConduit Entry Fittings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne M20 fitting, two blind plugs (-03)\u003c\/td\u003e\n\u003ctd\u003eOne M20 fitting, two blind plugs (-03)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering Application Recommendation:\u003c\/strong\u003e Choose the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-06-155-03-02\u003c\/strong\u003e\u003c\/span\u003e when mounting on machine casings that require a deeper probe reach of 155 mm combined with a shorter 60 mm standoff clearance. This configuration fits thick bearing housings where the shaft target sits further inside the machine frame. Conversely, select the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/330881-28-10-112-03-02-bently-nevada-proxpac-xl-proximity-transducer-housing\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-10-112-03-02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e when external cabinet clearance demands a longer 100 mm standoff housing with a reduced 112 mm internal probe reach.\u003c\/p\u003e\n\u003ch3\u003eTarget Machinery \u0026amp; Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteam \u0026amp; Gas Turbines:\u003c\/strong\u003e Measures radial shaft vibration, axial position, and Keyphasor timing directly at main bearing pedestals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentrifugal Gas Compressors:\u003c\/strong\u003e Provides continuous non-contact displacement monitoring inside harsh oil-mist and chemical environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Industrial Motors \u0026amp; Pumps:\u003c\/strong\u003e Enables field-mounted machine protection without requiring separate Proximitor junction boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Telemetry Integration:\u003c\/strong\u003e Connects to Bently Nevada 3500 monitoring racks to provide real-time dynamic orbit tracking, unbalance detection, and shaft misalignment analysis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging, Shipping \u0026amp; Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Condition:\u003c\/strong\u003e Brand new and 100% original factory product, made in USA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Assurance:\u003c\/strong\u003e Fully backed by a 12-month quality guarantee from date of supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Window:\u003c\/strong\u003e Fast order fulfillment with dispatch within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Courier Network:\u003c\/strong\u003e Express international transport via FedEx Priority, UPS Worldwide, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003ePROXPAC XL\u003c\/strong\u003e\u003c\/span\u003e housing series solves one of the most common installation challenges on heavy rotating machinery: field wire routing. Standard proximity transducers require a separate probe, extension cable, and Proximitor sensor mounted inside a remote junction panel. On a large turbine deck, running delicate coaxial extension leads through conduit frequently results in cable noise, ground loops, or damaged connectors during turnaround maintenance.\u003c\/p\u003e\n\u003cp\u003eDeploying the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-28-06-155-03-02\u003c\/strong\u003e\u003c\/span\u003e eliminates extension cable failures entirely. By placing the 3300 XL Proximitor sensor directly inside the IP66 thermoplastic outer housing on the machine frame, you output a robust, low-impedance dynamic voltage signal directly over standard 3-conductor field wiring up to 305 meters. Tightening the housing retaining nut to the recommended 29.5 N·m ensures a tight seal that tolerates severe plant vibration and washdown conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Procurement Guide\u003c\/h3\u003e\n\u003ch4\u003eHow do I properly calculate the required penetration length for this assembly?\u003c\/h4\u003e\n\u003cp\u003eMeasure the distance from the outer surface of your 3\/4-14 NPT mounting boss to the shaft target surface. Subtract your 60 mm standoff adapter height (Option B) and mechanical target clearance from your total boss thickness to ensure the 155 mm probe penetration depth reaches the target within its linear range.\u003c\/p\u003e\n\u003ch4\u003eWhat is the recommended torque specification for sealing the outer retaining housing nut?\u003c\/h4\u003e\n\u003cp\u003eTorque the housing retaining nut to 29.5 N·m (260 in·lb) and the probe sleeve locknut to 39.3 N·m (350 in·lb). Applying proper torque guarantees IP66 weatherproofing and prevents vibration from backing off the mounting threads during operational cycles.\u003c\/p\u003e\n\u003ch4\u003eWhat field power supply conditions are required for accurate linear output voltage?\u003c\/h4\u003e\n\u003cp\u003eProvide a clean DC power input between -17.5 Vdc and -26 Vdc (or -23 Vdc to -26 Vdc if installed with safety barriers). Supplying a voltage more positive than -23.5 Vdc when using barriers compresses the 2.0 mm linear range and introduces scale factor errors.\u003c\/p\u003e\n\u003ch4\u003eCan this assembly withstand heavy physical impacts in exposed field locations?\u003c\/h4\u003e\n\u003cp\u003eYes. The UV-resistant glass-reinforced PPS thermoplastic housing is impact-tested by BASEEFA to handle 4 Joule impacts at extreme temperatures (-39 °C to +115 °C) and certified by CSA for 7 Joule ambient impacts, protecting internal electronics from falling tool damage.\u003c\/p\u003e\n\u003ch4\u003eWhat step should be taken if the static gap reading shifts after high-temperature operation?\u003c\/h4\u003e\n\u003cp\u003eInspect the process sleeve O-ring and internal silicone vibration dampers for thermal degradation. Verify that process temperatures at the probe tip have not exceeded the +177 °C limit, which can cause internal seal relaxation and require recalibration of the 1.27 mm mechanical gap setting.\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":45013959704758,"sku":"330881-28-06-155-03-02","price":215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330881-28-00-135-03-00_c63d4467-e34b-48fb-8761-a42db5c56171.jpg?v=1788159448","url":"https:\/\/www.plcsparehub.com\/products\/330881-28-06-155-03-02-proximity-assembly-bently-nevada-proxpac-xl","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}