{"product_id":"bently-nevada-330878-91-05-3300-xl-50-mm-proximitor-sensor","title":"Bently Nevada 330878-91-05 3300 XL 50 mm Proximitor Sensor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eOption 91 (9.0 meters system length, DIN mount) and Option 05 (Multiple Approvals) specify this 3300 XL 50 mm Proximitor Sensor configuration — \u003cstrong\u003e330878-91-05\u003c\/strong\u003e. This unit works with a 3300 XL 50 mm proximity probe and extension cable as part of a complete non-contact eddy-current displacement measurement system. It is used for shaft vibration and axial position measurement on large turbine rotors and machinery with oversized targets where displacement ranges exceed standard limits.\u003c\/p\u003e\n\u003cp\u003eUnlike variants configured for panel mounting (such as Option 90) or shorter 5.0-meter system lengths (such as Option 51), this specific configuration is tailored for DIN rail installation with a total system length of 9.0 meters. The integrated SpringLoc terminal strips facilitate fast field wiring connections without requiring specialized tools. Improved radio frequency interference (RFI) and electromagnetic interference (EMI) immunity allow this sensor to meet CE marking standards without specialized shield housing.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOption 91 specifies a 9.0-meter system calibration designed for DIN rail mounting configurations.\u003c\/li\u003e\n  \u003cli\u003eOption 05 provides multiple agency approvals including ATEX, IECEx, and CSA hazardous area certifications.\u003c\/li\u003e\n  \u003cli\u003eExtended linear range of 27.9 mm (1100 mils) starting at 1.3 mm (50 mils) from the target.\u003c\/li\u003e\n  \u003cli\u003eAverage Scale Factor (ASF) of 394 mV\/mm (10 mV\/mil) nominal for high-displacement environments.\u003c\/li\u003e\n  \u003cli\u003eSpringLoc terminal strips simplify connection procedures and resist loosening under vibration.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in test points allow signal verification using standard instruments without interrupting field wiring.\u003c\/li\u003e\n  \u003cli\u003eBackward compatibility with standard 3300 XL 50 mm proximity probes and extension cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSteam turbine generator set differential expansion (DE) monitoring\u003c\/li\u003e\n  \u003cli\u003eLarge industrial gas turbine rotor position measurements\u003c\/li\u003e\n  \u003cli\u003eAxial displacement monitoring on oversized shaft assemblies\u003c\/li\u003e\n  \u003cli\u003eHigh-displacement target tracking in power generation and petrochemical facilities\u003c\/li\u003e\n  \u003cli\u003eIndustrial machinery with heavy vibration and environmental exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eOption \/ Segment\u003c\/th\u003e\n      \u003cth\u003eCode on This SKU\u003c\/th\u003e\n      \u003cth\u003eDescription\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOrderable Part Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003e330878-91-05\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3300 XL 50 mm Proximitor Sensor, DIN mount, 9.0 m system length, multiple approvals\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eA - Total Length and Mounting Option\u003c\/td\u003e\n      \u003ctd\u003e91\u003c\/td\u003e\n      \u003ctd\u003e9.0 meters (29.5 feet) system length, DIN mount\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eB - Agency Approval Option\u003c\/td\u003e\n      \u003ctd\u003e05\u003c\/td\u003e\n      \u003ctd\u003eMultiple Approvals (CSA, ATEX, IECEx, etc.)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBently Nevada\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePart Number \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e330878-91-05\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTransducer Series\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3300 XL 50 mm Proximity Transducer System\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSensor Input\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eAccepts one 3300 XL 50 mm proximity probe and extension cable\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSystem Length Calibration\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e9.0 meters (29.5 feet)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMounting Configuration\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e35 mm DIN rail mount\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-17.5 Vdc to -26 Vdc (without barriers), 12 mA maximum consumption; -23 Vdc to -26 Vdc (with barriers)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eLinear Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e27.9 mm (1100 mils), from approximately 1.3 mm to 29.2 mm (50 to 1150 mils)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAverage Scale Factor (ASF)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e394 mV\/mm (10 mV\/mil) nominal\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDeviation from Best Fit Straight Line (DSL)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eLess than +\/-0.74 mm (+\/-29 mils) within 0 degC to +45 degC range\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e50 ohm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-51 degC to +100 degC (-60 degF to +212 degF)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-51 degC to +105 degC (-60 degF to +221 degF)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eA380 aluminum\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTerminal Connection Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSpringLoc terminal strip\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSupported Field Wiring Size\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.2 to 1.5 mm2 (16 to 24 AWG) shielded triad cable\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTerminal Label\u003c\/th\u003e\n      \u003cth\u003eFunction\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOUT\u003c\/td\u003e\n      \u003ctd\u003eProximitor voltage output signal (dynamic and DC gap)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCOM\u003c\/td\u003e\n      \u003ctd\u003eCommon circuit return reference\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e-VT\u003c\/td\u003e\n      \u003ctd\u003ePower supply input (-17.5 Vdc to -26 Vdc)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIN rail mounting utilizes the integrated DIN pad designed for a standard 35 mm DIN rail. Allow an additional 3.05 mm of clearance to remove the module from the rail.\u003c\/li\u003e\n  \u003cli\u003eGround the shield of the extension cable at the Proximitor Sensor housing. Do not ground the coaxial shield at any other point to prevent ground loops.\u003c\/li\u003e\n  \u003cli\u003eUse recommended three-conductor shielded triad field cable (18 AWG or similar) for runs from the Proximitor Sensor to the monitor rack.\u003c\/li\u003e\n  \u003cli\u003eMaintain minimum target size requirements of 102 mm (4.0 inches) flat target diameter when verifying system calibration.\u003c\/li\u003e\n  \u003cli\u003eCalibrate the probe gap using the physical movement of a sliding bracket or spindle micrometer prior to locking the case threads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eATEX\/IECEx: Ex ia IIC T4\/T5 Ga, Ex ia IIIC T90C\/T105C Dc, Ex nA IIC T4\/T5 Gc, Ex ec IIC T4\/T5 Gc (Option 05)\u003c\/li\u003e\n  \u003cli\u003eCSA\/CNRTLus: Class I, Zone 0: AEx\/Ex ia IIC T4\/T5 Ga; Class I, Groups A, B, C, D; Class II, Groups E, F, G; Class III\u003c\/li\u003e\n  \u003cli\u003eEuropean CE Mark: Compliant with EMC Directive 2014\/30\/EU and RoHS Directive 2011\/65\/EU\u003c\/li\u003e\n  \u003cli\u003eElectromagnetic Compatibility Standards: EN 61000-6-2, EN 61000-6-4\u003c\/li\u003e\n  \u003cli\u003eChina RoHS: 15-year Environment Friendly Use Period (EFUP)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666570998123,"sku":"330878-91-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-330878-91-05-proximitor-sensor-p4h5thnndfr_6157fe43-0bed-4238-a4c9-e944da3ab6b9.jpg?v=1765440837","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-330878-91-05-3300-xl-50-mm-proximitor-sensor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}