{"product_id":"330881-16-04-189-06-02-proximity-transducer-bently-nevada-proxpac-xl-probe","title":"330881-16-04-189-06-02 Proximity Transducer Bently Nevada PROXPAC XL Probe","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e is a heavy-duty PROXPAC XL Proximity Transducer assembly designed by \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e. Integrating an 8 mm proximity probe inside an IP66 weather-proof housing, the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e provides precise non-contact vibration and axial position measurements for turbomachinery operating in hostile industrial environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePart Number Configuration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ordering code for the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada 330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e defines the exact mechanical and mounting options:\u003c\/p\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 Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-16\u003c\/strong\u003e : Probe and Approvals Option (3300 XL 8 mm probe, without agency approvals)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-04\u003c\/strong\u003e : Standoff Adapter Option (B Dimension: 40 mm adapter length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-189\u003c\/strong\u003e : Probe Penetration Option (C Dimension: 189 mm sleeve penetration length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-06\u003c\/strong\u003e : Fittings Option (One 3\/4-14 NPT fitting, one 3\/4-14 NPT to 1\/2-14 NPT stainless steel reducer, two plugs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-02\u003c\/strong\u003e : Mounting Thread Option (3\/4-14 NPT outer thread)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMECE Technical \u0026amp; Mechanical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe technical parameters of the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e transducer assembly are categorized below across operational vectors:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Identification \u0026amp; Origin\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eBrand Manufacturer: \u003cstrong\u003eBently Nevada\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFull Model Code: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Made in U.S.A.\u003c\/li\u003e\n\u003cli\u003eTotal Assembly Weight: 1.44 kg (3.2 lbs typical)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransducer Measurement \u0026amp; Precision\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eLinear Range: 2 mm (80 mils), starting 0.25 mm (10 mils) from target\u003c\/li\u003e\n\u003cli\u003eIncremental Scale Factor (ISF): 7.87 V\/mm (200 mV\/mil) ±5%\u003c\/li\u003e\n\u003cli\u003eDeviation from Best Fit Straight Line (DSL): Less than ±0.025 mm (±1 mil) at 0 °C to +45 °C\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 0 Hz to 10 kHz (+0, -3 dB with up to 305 m field wiring)\u003c\/li\u003e\n\u003cli\u003eRecommended Gap Setting: 1.27 mm (50 mils)\u003c\/li\u003e\n\u003cli\u003eMinimum Target Constraints: Shaft diameter ≥ 50.8 mm (2.0 in); Flat target diameter ≥ 15.2 mm (0.6 in)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Power \u0026amp; Wiring Constraints\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eSupply Voltage Requirement: -17.5 VDC to -26 VDC (12 mA max consumption)\u003c\/li\u003e\n\u003cli\u003eSupply Sensitivity: Less than 2 mV output voltage change per volt input change\u003c\/li\u003e\n\u003cli\u003eOutput Resistance: 50 Ω\u003c\/li\u003e\n\u003cli\u003eField Wiring Terminal: 0.2 to 1.5 mm² (16 to 24 AWG) shielded 3-conductor triax (Max 305 m)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials \u0026amp; Mechanical Integrity\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eHousing Construction: UV-resistant, glass-reinforced PPS thermoplastic with conductive fibers\u003c\/li\u003e\n\u003cli\u003eProbe Tip Material: Polyphenylene Sulfide (PPS)\u003c\/li\u003e\n\u003cli\u003eProbe Case \u0026amp; Sleeve: AISI 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eOuter Sleeve \u0026amp; Screws: AISI 303 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eCable \u0026amp; Connector: 1-meter 75 Ω triaxial FEP cable with gold-plated brass ClickLoc connector\u003c\/li\u003e\n\u003cli\u003eProbe Tensile Strength: 330 N (75 lb) maximum between probe cable and case\u003c\/li\u003e\n\u003cli\u003eFastener Torque Ratings: Retaining nut: 29.5 N·m; Probe sleeve locknut: 39.3 N·m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Limits \u0026amp; Enclosure Ratings\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eHousing Protection Index: IP66 rated (verified by BASEEFA report T07\/0709)\u003c\/li\u003e\n\u003cli\u003eProbe Operating Temperature: -51 °C to +177 °C (-60 °F to +350 °F)\u003c\/li\u003e\n\u003cli\u003eMechanical Impact Certification: BASEEFA certified for 4 Joule impacts at -39 °C and +115 °C; CSA certified for 7 Joule impacts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSelection Comparison \u0026amp; Engineering Advice\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen choosing between PROXPAC XL variants, penetration length and standoff selection directly affect mechanical fitment:\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eModel Variant\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eStandoff (B)\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePenetration (C)\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eKey Engineering Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e40 mm (04)\u003c\/td\u003e\n\u003ctd\u003e189 mm (189)\u003c\/td\u003e\n\u003ctd\u003eDeep-casing turbomachinery, thick bearing housings requiring long reach.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/bently-nevada-330881-16-00-060-01-02-proxpac-xl-vibration-sensor-system\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e330881-16-00-060-01-02\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e0 mm (00)\u003c\/td\u003e\n\u003ctd\u003e60 mm (060)\u003c\/td\u003e\n\u003ctd\u003eDirect-mount shallow bearing caps with minimal clearance external to housing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Advice:\u003c\/strong\u003e Verify the target shaft depth prior to ordering. Installing a longer 189 mm penetration sleeve like the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e into a shallow port will bottom out the probe tip onto the shaft, destroying the ceramic\/PPS face. Use the 40 mm standoff adapter to fine-tune external sleeve length when internal clearances are tight.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Machine Platforms:\u003c\/strong\u003e Boiler feed pumps, steam turbines, centrifugal gas compressors, gearboxes, and large electric motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Capabilities:\u003c\/strong\u003e Measures real-time radial vibration, shaft thrust position, phase reference (Keyphasor), and eccentric motion. Changes in gap voltage indicate dynamic shaft displacement or bearing wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eExpress Logistics \u0026amp; Quality Guarantee\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Month Coverage Warranty:\u003c\/strong\u003e Every \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e transducer unit includes a 12-month quality warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Shipping:\u003c\/strong\u003e Dispatched in 24 to 48 hours with international express delivery via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Checklist:\u003c\/strong\u003e Includes 1 x \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada 330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e housing assembly with integrated 8 mm probe and conduit fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOur machinery diagnostic teams frequently deploy the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e on heavy industrial gas turbines where outdoor rain, steam washdown, and hot oil sprays destroy standard unhoused proximity probes. On a offshore platform compressor retrofit, harsh weather was cracking standard plastic probe junction boxes. Upgrading to the IP66 glass-reinforced PPS housing of the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e330881-16-04-189-06-02\u003c\/strong\u003e\u003c\/span\u003e provided continuous mechanical protection while the 189 mm sleeve reach easily accessed the internal journal bearing target through heavy thermal insulation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSelection Guide \u0026amp; Field FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What cable precaution must be taken when wiring the ClickLoc connector inside the housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Ensure the gold-plated ClickLoc connector clicks firmly into place and apply silicone self-fusing tape over the junction to prevent moisture ingress inside the housing tube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the recommended gap setting procedure for the \u003cspan style=\"color: #0056b3;\"\u003e330881-16-04-189-06-02\u003c\/span\u003e transducer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Set the physical mechanical gap to 1.27 mm (50 mils) or adjust mechanically until the Proximitor sensor output reads approximately -10.0 VDC at center position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does cold weather affect the outer housing of this PROXPAC assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The thermoplastic housing is certified by BASEEFA to withstand 4 Joule mechanical impacts down to -39 °C without cracking or losing seal integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can field wiring extend beyond 300 meters without distorting vibration readings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Up to 305 meters (1,000 feet) of 3-conductor shielded triax cable is supported with a frequency response of 0 to 10 kHz (-3 dB max attenuation).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the 3\/4-14 NPT to 1\/2-14 NPT stainless steel reducer included in option 06?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It allows flexible field conduit interfacing, enabling technicians to terminate standard 1\/2-inch flexible armored field wiring directly into the 3\/4-inch housing ports.\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":45013959475382,"sku":"330881-16-04-189-06-02","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330881-28-06-105-00-02_11da843e-373e-4326-b5ab-779d2898e272.jpg?v=1789983179","url":"https:\/\/www.plcsparehub.com\/products\/330881-16-04-189-06-02-proximity-transducer-bently-nevada-proxpac-xl-probe","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}