{"product_id":"bently-nevada-330876-01-90-00-00-3300-xl-50-mm-proximity-probe","title":"Bently Nevada 330876-01-90-00-00 3300 XL 50 mm Proximity Probe","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Bently Nevada 330876-01-90-00-00 is a high-performance 3300 XL 50 mm Proximity Probe designed for critical rotating machinery. As a core component of the 3300 XL 50 mm Transducer System, this eddy-current sensor is engineered for precise measurement of differential expansion, shaft position, and vibration in large steam turbines and turbine-generator units. Its large 50 mm sensing coil provides an extended linear range, ensuring accurate data acquisition during critical operational phases such as startup, shutdown, and significant load changes.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3300 XL 50 mm proximity probe with 1\/2-20 UNF thread.\u003c\/li\u003e\n\u003cli\u003eSide-exit case style featuring two 1\/4-20 mounting holes for flexible installation.\u003c\/li\u003e\n\u003cli\u003e90-inch (2286 mm) total system length.\u003c\/li\u003e\n\u003cli\u003eHigh-temperature FluidLoc cable construction to prevent moisture wicking.\u003c\/li\u003e\n\u003cli\u003eGold-plated ClickLoc connectors for superior corrosion resistance and signal integrity.\u003c\/li\u003e\n\u003cli\u003eDesigned for operation in temperatures up to 200 degC (392 degF) continuous.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDifferential expansion (DE) and rotor expansion (RX) monitoring.\u003c\/li\u003e\n\u003cli\u003eLarge steam turbine generator shaft position sensing.\u003c\/li\u003e\n\u003cli\u003eHigh-temperature industrial turbine environments.\u003c\/li\u003e\n\u003cli\u003eApplications requiring long-range displacement measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e330876-01-90-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Type\u003c\/td\u003e\n\u003ctd\u003e3300 XL 50 mm Proximity Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAverage Scale Factor\u003c\/td\u003e\n\u003ctd\u003e394 mV\/mm (10 mV\/mil) nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 degC to +200 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Resistance\u003c\/td\u003e\n\u003ctd\u003e50 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Capacitance\u003c\/td\u003e\n\u003ctd\u003e69.9 pF\/m (21.3 pF\/ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Tip Material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene Sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003eTo 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Engagement:\u003c\/strong\u003e Ensure internal matching threads do not exceed 1.5 times the nominal thread diameter to prevent binding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSideview Clearance:\u003c\/strong\u003e Maintain an open radius around the 50 mm probe tip to avoid interference with surrounding metallic structures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Requirements:\u003c\/strong\u003e Use a Bently Nevada AISI 4140 steel target with a minimum diameter of 102 mm (4.0 inches) to maintain specified accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecuring:\u003c\/strong\u003e Tighten the locknut using the predrilled safety wire holes to ensure the probe remains fixed against machine vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Care:\u003c\/strong\u003e Use the provided connector protectors and installation tool to keep contacts free of contamination during routing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the 330876-01-90-00-00?\u003c\/h3\u003e\u003cp\u003eThe Bently Nevada 330876-01-90-00-00 is a 3300 XL 50 mm Proximity Probe designed for high-temperature steam turbine environments, measuring shaft position and vibration.\u003c\/p\u003e\u003ch3\u003eIs this product brand new?\u003c\/h3\u003e\u003cp\u003eYes, this unit is supplied as new, original, and unused equipment.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43838708154458,"sku":"330876-01-90-00-00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_ae62f749-5dcd-44d2-a60b-52937625ce8a.jpg?v=1786594663","url":"https:\/\/www.spareoil.com\/products\/bently-nevada-330876-01-90-00-00-3300-xl-50-mm-proximity-probe","provider":"SpareOil Automation","version":"1.0","type":"link"}