{"product_id":"330880-28-15-027-00-02-bently-nevada-proximity-probes-proxpac-xl-proximity-transducer","title":"330880-28-15-027-00-02 Bently Nevada Proximity Probes PROXPAC XL Proximity Transducer","description":"\u003cp\u003eConfigured for high-precision measurement of slow-speed machinery and tight-clearance radial vibration within turbomachinery protection infrastructure, the \u003cstrong\u003eBently Nevada 330880-28-15-027-00-02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePROXPAC XL Proximity Transducer\u003c\/strong\u003e Proximity Probes, provides direct physical and electrical execution.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown \u0026amp; Configuration Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform Series\u003c\/strong\u003e: Bently Nevada 3300 XL NSV non-standard vibration monitoring architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Catalog Identifier\u003c\/strong\u003e: 330880 designating a packaged PROXPAC XL transducer assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe and Cable Options\u003c\/strong\u003e: -28-15-027 defining specific probe tip dimensions, thread configurations, and total interconnecting cable length variants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals and Housing Suffix\u003c\/strong\u003e: -00-02 specifying agency certifications and physical housing enclosure options for harsh environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\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\u003e330880-28-15-027-00-02\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e3300 XL NSV\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\u003e1.85 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e20.0 x 20.0 x 10.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-35 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e12 mA to 22 mA at -17.5 V DC to -26 V DC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Range\u003c\/td\u003e\n\u003ctd\u003e1.5 mm (60 mils) optimized for NSV applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e3.94 V\/mm (100 mV\/mil) nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Protection\u003c\/td\u003e\n\u003ctd\u003eNEMA 4X \/ IP66 weatherproof housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics \u0026amp; Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe NSV proximity transducer preserves eddy-current probe scaling accuracy by maintaining linear radio frequency response when monitoring reduced-size shafts or small-clearance machine trains. Proper gap voltage validation (-10 VDC targets) relies on precise mechanical positioning relative to the rotating journal surface. Furthermore, advanced cross-talk suppression shielding within the enclosed PROXPAC housing prevents high-frequency electromagnetic interference from distorting low-speed rotor dynamics and displacement telemetry.\u003c\/p\u003e\n\u003ch3\u003eOrdering Info\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Bently Nevada 330880-28-15-027-00-02 PROXPAC XL Transducer assembly unit\u003c\/li\u003e\n\u003cli\u003e1 x Integrated Proximitor sensor module housed inside protective enclosure\u003c\/li\u003e\n\u003cli\u003e1 x Technical reference installation sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnclosure Mounting: Secure the PROXPAC housing firmly to a rigid, vibration-stable machine skid or mounting plate using appropriate corrosion-resistant hardware.\u003c\/li\u003e\n\u003cli\u003eConduit Sealing: Route external field wiring through bottom-entry conduit hubs and apply thread sealant to prevent moisture ingress into the terminal chamber.\u003c\/li\u003e\n\u003cli\u003eAir Gap Calibration: Adjust internal probe depth until a digital multimeter reads exactly -10 VDC at the monitor output terminals, setting the proper electrical centerline for the 60 mil linear range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Engineering Inquiries\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Why does the 3300 XL NSV system utilize a 100 mV\/mil sensitivity curve instead of the standard 200 mV\/mil rating?\u003c\/p\u003e\n\u003cp\u003eA: The NSV design uses a smaller probe tip and modified radio frequency circuitry to measure smaller targets and tighter clearances, requiring a scaled sensitivity factor to maintain linearity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the primary electrical consequence of moisture accumulation inside the PROXPAC XL housing enclosure?\u003c\/p\u003e\n\u003cp\u003eA: Moisture bridges internal terminal connections and degrades high-frequency signal propagation, resulting in erratic gap voltage fluctuations and false channel alarms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Can the internal Proximitor sensor be replaced with a standard non-NSV unit without affecting calibration?\u003c\/p\u003e\n\u003cp\u003eA: No, standard Proximitors are tuned for 8 mm tips and 200 mV\/mil output; using a mismatched unit will completely distort the measurement scale factor and linearity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How do operating temperatures near the +85 deg C upper limit affect the electronic components inside the housing?\u003c\/p\u003e\n\u003cp\u003eA: Extreme thermal loads accelerate the aging of internal power supply filtering capacitors and active semiconductor junctions, increasing long-term drift characteristics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What occurs to the monitor output voltage if the target shaft experiences excessive axial float beyond the linear range?\u003c\/p\u003e\n\u003cp\u003eA: The output signal rails toward zero or the negative supply voltage limit, causing the monitoring system to register a transducer out-of-range fault.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Why is it necessary to maintain solid electrical continuity of the shield wire through the enclosure terminal strip?\u003c\/p\u003e\n\u003cp\u003eA: Unbroken shield continuity ensures that electromagnetic noise collected along the cable run is shunted directly to instrument ground without entering the signal reference circuit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How does the NEMA 4X housing construction protect the sensitive electronics from aggressive industrial washdowns?\u003c\/p\u003e\n\u003cp\u003eA: The sealed enclosure gasket and corrosion-resistant metal shell prevent high-pressure water jets and chemical cleaning agents from contacting internal circuit boards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What specific pre-commissioning checks should be executed before rotating the monitored machine?\u003c\/p\u003e\n\u003cp\u003eA: Technicians must verify static gap voltage against cold baseline targets and check for loop resistance stability using a diagnostic test meter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46025783410861,"sku":"330880-28-15-027-00-02","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/xian-59_bf824594-d3f3-48d0-8a9a-e007ccf3d649.jpg?v=1783667277","url":"https:\/\/www.maxwellplc.com\/products\/330880-28-15-027-00-02-bently-nevada-proximity-probes-proxpac-xl-proximity-transducer","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}