{"product_id":"330880-28-15-285-03-02-bently-nevada-proxpac-proximity-transducer-system","title":"330880-28-15-285-03-02 Bently Nevada  PROXPAC Proximity Transducer System","description":"\u003ch3\u003eProduct Introduction\u003c\/h3\u003e\n\u003cp\u003eEngineers deploy the \u003cstrong\u003eBently Nevada\u003c\/strong\u003e \u003cstrong\u003e330880\u003c\/strong\u003e Series \u003cstrong\u003ePROXPAC XL\u003c\/strong\u003e Proximity Transducer System to continuously monitor shaft vibration and axial position on critical rotating machines. This integrated \u003cstrong\u003e330880-28-15-285-03-02\u003c\/strong\u003e assembly combines an 8 mm probe, PPS composite housing, and internal signal conditioning to withstand hostile industrial atmospheres. \u003cstrong\u003eGlobal PLC Spare HUB Review\u003c\/strong\u003e: Field reliability studies show this encapsulated housing significantly reduces premature sensor failures in high-humidity turbine enclosures compared to conventional remote-mount configurations.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Breakdown \u0026amp; Suffix Codes\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSuffix Position\u003c\/th\u003e\n\u003cth\u003eOption Code\u003c\/th\u003e\n\u003cth\u003eEngineering Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe \u0026amp; Approvals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e28\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8 mm probe with multiple hazardous area approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandoff Adapter (Dimension B)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5-inch standoff adapter length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Penetration (Dimension C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e285\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e285 mm total penetration depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFittings Option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e03\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne 3\/4-14 NPT fitting, one 3\/4-14 NPT to 1\/2-14 NPT SST reducer, two plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT thread configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter Category\u003c\/th\u003e\n\u003cth\u003eEngineering Specification\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\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \u0026amp; Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e330880\u003c\/strong\u003e \/ \u003cstrong\u003e330880-28-15-285-03-02\u003c\/strong\u003e \/ \u003cstrong\u003ePROXPAC XL\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.44 kg (3.2 lbm) typical with baseline sleeve length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-17.5 Vdc to -26 Vdc without barriers at 12 mA max\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 mm (80 mils) from 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\u003eIncremental Scale Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.87 V\/mm (200 mV\/mil) ± 5%\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 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\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-51°C to +177°C (probe tip)\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePacking List \u0026amp; Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne \u003cstrong\u003e330880\u003c\/strong\u003e \u003cstrong\u003ePROXPAC XL\u003c\/strong\u003e housing assembly with integrated \u003cstrong\u003e3300 XL\u003c\/strong\u003e probe\u003c\/li\u003e\n\u003cli\u003eOne 3\/4-14 NPT fitting and one 3\/4-14 to 1\/2-14 NPT stainless steel reducer\u003c\/li\u003e\n\u003cli\u003eTwo threaded conduit plugs and Neoprene sealing O-rings\u003c\/li\u003e\n\u003cli\u003eFactory calibration sheet and official 12-month warranty documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Maintenance Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that operating temperatures remain above -34°C during startup to prevent internal pressure seal fracturing.\u003c\/li\u003e\n\u003cli\u003eTorque the retaining nut to 29.5 N·m and the probe sleeve locknut to 39.3 N·m during mechanical assembly.\u003c\/li\u003e\n\u003cli\u003eRun 3-conductor shielded triax cable with tinned wiring, keeping total field runs under 305 meters.\u003c\/li\u003e\n\u003cli\u003eAvoid exposing the sensor supply voltage above -23.5 Vdc to prevent linear range signal compression.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility, Selection Guide \u0026amp; Model Comparison\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect physical and electrical compatibility with \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/330880-16-00-021-01-02-bently-nevada-proxpac-xl-proximity-transducer-system\"\u003e330880-16-00-021-01-02 Bently Nevada PROXPAC XL Proximity Transducer System\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelection Comparison \u0026amp; Technical Advice\u003c\/strong\u003e: While model \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/330880-16-00-021-01-02-bently-nevada-proxpac-xl-proximity-transducer-system\"\u003e330880-16-00-021-01-02\u003c\/a\u003e utilizes a shorter penetration depth and baseline fitting layout suited for standard mounting bosses, the \u003cstrong\u003e330880-28-15-285-03-02\u003c\/strong\u003e features a deeper 285 mm penetration with a 1.5-inch standoff and reducer kit. Select this deeper penetration variant when thick thermal insulation or complex casing geometry requires the probe tip to extend further into the internal measurement plane.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGlobal express delivery supported via DHL, FedEx, and UPS courier networks.\u003c\/li\u003e\n\u003cli\u003eStandard order processing guarantees dispatch within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty protective crating safeguards electronic connectors and threaded components during transit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications \u0026amp; Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous radial and axial shaft vibration monitoring on heavy industrial steam turbines.\u003c\/li\u003e\n\u003cli\u003eCentrifugal compressor and large gearbox health tracking under harsh chemical plant conditions.\u003c\/li\u003e\n\u003cli\u003eReal-time isolation of rotor instability, fluid whirl, unbalance, and bearing oil film breakdown.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e How does a 1.5-inch standoff adapter affect dynamic response on the \u003cstrong\u003e330880-28-15-285-03-02\u003c\/strong\u003e?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e The mechanical standoff isolates the housing body from extreme casing surface temperatures, maintaining internal electronics within safe thermal operating limits without altering the 7.87 V\/mm scale factor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e What field issue causes high-frequency signal roll-off in the \u003cstrong\u003e330880\u003c\/strong\u003e system?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Exceeding the 305-meter maximum length with unshielded field wiring introduces capacitive loading, which attenuates high-frequency response components above 10 kHz.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Why does cold ambient startup risk pressure seal integrity in this transducer?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Exposing the Polyphenylene Sulfide probe tip to temperatures below -34°C causes differential material contraction, potentially compromising the hermetic seal before process heat builds up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e How do technicians confirm proper gap setting during initial calibration?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Engineers adjust the mechanical position until the static output voltage reads approximately -10 Vdc, placing the operating point squarely in the center of the 2 mm linear range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Can maintenance teams replace the internal probe independently of the \u003cstrong\u003ePROXPAC XL\u003c\/strong\u003e housing?\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\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e No, the \u003cstrong\u003e330880\u003c\/strong\u003e is a factory-matched integrated assembly where the probe, cable length, and internal conditioning electronics are calibrated as a single unit to maintain interchangeability specs.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013978480822,"sku":"330880-28-15-285-03-02","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330880-28-00-085-02-02_4ba9d36d-31d1-4e4d-85c6-06418e6459fd.jpg?v=1784786165","url":"https:\/\/www.plcsparehub.com\/products\/330880-28-15-285-03-02-bently-nevada-proxpac-proximity-transducer-system","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}