{"product_id":"330878-91-00-bently-nevada-3300-xl-50-mm-proximitor-sensor","title":"330878-91-00 Bently Nevada 3300 XL 50 mm Proximitor Sensor","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Bently Nevada 330878-91-00 is a high-performance 3300 XL series Proximitor Sensor specifically engineered to drive 50 mm proximity probes.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAs the signal conditioning heart of the transducer system,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethis device generates a radio frequency (RF) signal to the probe and converts the returned eddy current data into a standardized analog voltage.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis specific model is designed for ultra-long-range displacement measurements,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eoffering the most extensive linear range in the Bently Nevada eddy current product line.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt is a critical component of Turbine Supervisory Instrumentation (TSI),\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eproviding the high-fidelity data required to protect massive rotating assets from structural damage caused by thermal growth.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eTechnical Characteristics and Hardware Parameters\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe 330878-91-00 is built to maintain signal stability over long distances and within the electrically noisy environments of power generation facilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModel Number\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e330878-91-00\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSystem Compatibility\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for 3300 XL 50 mm Proximity Probes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eLinear Measurement Range\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e27.\u003c\/span\u003e\u003cspan class=\"\"\u003e9 mm (1100 mils)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSystem Length\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e9.\u003c\/span\u003e\u003cspan class=\"\"\u003e0 meters (approx.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e29.\u003c\/span\u003e\u003cspan class=\"\"\u003e5 feet) total system configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOutput Signal\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAnalog DC voltage proportional to gap distance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eScale Factor\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e394 V\/mm (10 mV\/mil) or 0.\u003c\/span\u003e\u003cspan class=\"\"\u003e787 V\/mm (20 mV\/mil) depending on target material\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eMounting Configuration\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated DIN-rail mounting base\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eRFI\/EMI Immunity\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced shielding to prevent interference from radio frequency and electromagnetic sources\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInterchangeability\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eFully compatible with standard 3300 XL 50 mm extension cables and probes without manual calibration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eIndustrial Applications and Operational Use Cases\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe primary role of the 330878-91-00 is to facilitate the monitoring of \"large-scale\" movement where standard 8 mm or 25 mm sensors lack the necessary measurement depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eDifferential Expansion (DE) Monitoring\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eMeasuring the relative thermal growth between a turbine's rotor and its casing during startup,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eheat-up,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand shutdown cycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eRotor Expansion Tracking\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eMonitoring the absolute longitudinal movement of the rotor in large steam turbine generators to ensure internal clearances are maintained.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eHydroelectric Generator Thrust\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eTracking the axial position of large-diameter vertical shafts in hydroelectric units.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCasing Expansion\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eProviding displacement data for structural monitoring where expansion exceeds 25 mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePredictive Maintenance\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eInterfacing with Bently Nevada 3500\/45 Position Monitors to provide automated alarm and trip logic to prevent rotor-to-stator contact.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eBy utilizing the 50 mm coil technology,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 330878-91-00 ensures that operators have visibility into the mechanical behavior of the machine throughout its entire thermal envelope,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003esignificantly reducing the risk of catastrophic \"rubs\" and unplanned outages.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45518865858733,"sku":"330878-91-00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-330878-91-00-plc-controller-rd1ftbtmygm.jpg?v=1766980516","url":"https:\/\/www.maxwellplc.com\/products\/330878-91-00-bently-nevada-3300-xl-50-mm-proximitor-sensor","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}