{"product_id":"3300-xl-50mm-330878-91-05-bently-nevada-proximitor","title":"3300 XL 50mm 330878-91-05 Bently Nevada Proximitor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 330878-91-05\u003c\/strong\u003e is a \u003cstrong\u003e3300 XL 50 mm Proximitor Sensor\u003c\/strong\u003e with \u003cstrong\u003eDIN-rail mounting\u003c\/strong\u003e designed for large displacement measurement applications on rotating machinery. It serves as the signal conditioning unit for the 3300 XL 50 mm proximity transducer system, providing extended-range noncontact measurement of shaft displacement, vibration, and position. The unit carries multiple agency approvals and is housed in durable A380 aluminum alloy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e 3300 XL 50 mm Proximity Transducer System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Length:\u003c\/strong\u003e 9.0 meters (29.5 feet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN-rail mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approvals:\u003c\/strong\u003e Multiple (CSA, ATEX, IECEx)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Range:\u003c\/strong\u003e 27.9 mm (1100 mils) maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale Factor:\u003c\/strong\u003e 0.394 V\/mm (10 mV\/mil)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Type:\u003c\/strong\u003e 50 mm proximity probe (ordered separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e A380 aluminum alloy housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -51°C to +100°C (-60°F to +212°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -51°C to +105°C (-60°F to +221°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 255 g (9 oz) typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e -17.5 Vdc to -26 Vdc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Resistance:\u003c\/strong\u003e 50 Ω\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e50 mm probe range enables measurement of large axial displacements and differential expansion\u003c\/li\u003e\n\u003cli\u003eDIN-rail mounting simplifies installation in standard industrial control enclosures\u003c\/li\u003e\n\u003cli\u003eExtended linear range of 27.9 mm is the longest in the Bently Nevada eddy current transducer line\u003c\/li\u003e\n\u003cli\u003eMultiple agency approvals facilitate deployment in hazardous area classifications worldwide\u003c\/li\u003e\n\u003cli\u003eRobust A380 aluminum housing withstands extreme industrial temperatures and vibration\u003c\/li\u003e\n\u003cli\u003eSpringLoc terminal strips provide secure, reliable field wiring without specialized tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge steam turbine differential expansion monitoring\u003c\/li\u003e\n\u003cli\u003eHydro turbine wicket gate position measurement\u003c\/li\u003e\n\u003cli\u003eLarge compressor axial displacement tracking\u003c\/li\u003e\n\u003cli\u003eGenerator end-play and thrust position monitoring\u003c\/li\u003e\n\u003cli\u003eHeavy rotating machinery with significant thermal growth\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I decode the Bently Nevada 3300 XL 50 mm Proximitor suffix?\u003c\/strong\u003e\u003cbr\u003eA: The three-digit suffix follows this pattern: first digit = system length (5 = 5.0 m, 9 = 9.0 m); second digit = mounting (0 = panel, 1 = DIN-rail); third digit = approvals (0 = none, 5 = multiple). For 330878-91-05, this means 9.0 m system length, DIN-rail mount, with multiple agency approvals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which modules require the 3300 XL 50 mm transducer system?\u003c\/strong\u003e\u003cbr\u003eA: Large steam turbine generators requiring differential expansion or rotor expansion measurement where the expected axial movement exceeds the range of 25 mm or 8 mm systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What wire gauge range is supported?\u003c\/strong\u003e\u003cbr\u003eA: The terminal block supports field wiring from 0.2 to 1.5 mm² (16 to 24 AWG) using three-conductor shielded triad cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is there a spring clamp version available?\u003c\/strong\u003e\u003cbr\u003eA\u0026gt; The 3300 XL 50 mm Proximitor uses SpringLoc terminal strips for robust field wiring. Mounting options are panel or DIN-rail only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the output scale factor of the 50 mm system?\u003c\/strong\u003e\u003cbr\u003eA: The 3300 XL 50 mm Proximitor outputs 0.394 V\/mm (10 mV\/mil), identical to legacy 7200 50 mm and 50 mm DE integral systems.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the machinery protection system before installation\u003c\/li\u003e\n\u003cli\u003eClip the Proximitor Sensor onto a 35 mm symmetrical DIN rail\u003c\/li\u003e\n\u003cli\u003eConnect the 3300 XL 50 mm proximity probe and extension cable to the sensor input\u003c\/li\u003e\n\u003cli\u003eWire -17.5 to -26 Vdc power to the SpringLoc terminals with correct polarity\u003c\/li\u003e\n\u003cli\u003eRoute the output signal to the monitor or data acquisition system\u003c\/li\u003e\n\u003cli\u003eAdjust probe gap to the center of the linear range for maximum measurement symmetry\u003c\/li\u003e\n\u003cli\u003ePower on and verify stable DC output voltage at the monitor\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChoose 330878-91-05 for DIN-rail 9.0 meter 50 mm systems with multiple agency approvals\u003c\/li\u003e\n\u003cli\u003eFor panel mounting, select 330878-90-05\u003c\/li\u003e\n\u003cli\u003eFor 5.0 meter system length, use 330878-51-05 (DIN) or 330878-50-05 (panel)\u003c\/li\u003e\n\u003cli\u003eWithout agency approvals, 330878-91-00 (DIN) or 330878-90-00 (panel) are available\u003c\/li\u003e\n\u003cli\u003eVerify the monitor supports 50 mm proximity probe input characteristics\u003c\/li\u003e\n\u003cli\u003eConsider complementary transducer arrangements when total DE range exceeds 27.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":54000941203640,"sku":"330878-91-05","price":133.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/330878-91-05_2r180_32128bf8-4f76-4837-88a1-55b54280e61e.png?v=1787898467","url":"https:\/\/www.globalpetroparts.com\/products\/3300-xl-50mm-330878-91-05-bently-nevada-proximitor","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}