{"product_id":"330878-51-05-bently-nevada-3300-xl-series-proximitor-sensor","title":"330878-51-05 Bently Nevada 3300 XL Series Proximitor Sensor","description":"\u003cp\u003eConfigured for differential expansion and rotor expansion measurement in the Bently Nevada 3300 XL Transducer System, the \u003cstrong\u003eBently Nevada 330878-51-05\u003c\/strong\u003e (\u003cstrong\u003e330878\u003c\/strong\u003e 3300 XL 50 mm Proximitor Sensor) provides direct signal conditioning and displacement conversion for large rotating equipment monitoring.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Identification\u003c\/h3\u003e\n\u003cp\u003eThe 330878-51-05 configuration defines a 3300 XL 50 mm Proximitor Sensor assembly with DIN rail mounting, 5.0 meter system length, and multiple agency approvals.\u003c\/p\u003e\n\u003cp\u003eThis Proximitor Sensor operates together with a 50 mm probe and extension cable to form a complete eddy-current transducer system. The large probe coil design provides an extended linear measurement range for differential expansion and rotor expansion applications.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003e330878-51-05\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e3300 XL 50 mm Proximitor Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e3300 XL Transducer System\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\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e7.8 x 6 x 6.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in provided data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified in provided data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 meters (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003eMultiple Approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Resistance\u003c\/td\u003e\n\u003ctd\u003e50 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eA380 aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Range\u003c\/td\u003e\n\u003ctd\u003eMaximum 27.9 mm (1100 mils)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e-24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Components\u003c\/td\u003e\n\u003ctd\u003e50 mm Probe, Extension Cable, Proximitor Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Expansion Measurement Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 3300 XL 50 mm Proximitor Sensor is designed for eddy-current displacement measurement where large axial movement ranges must be monitored.\u003c\/p\u003e\n\u003cp\u003eThe system measures differential expansion between the turbine rotor and machine casing by observing the relative movement of a target collar. Two transducer arrangements can be used depending on required measurement range:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo probes observing the same side of a collar for redundant measurements.\u003c\/li\u003e\n\u003cli\u003eTwo complementary probes installed on opposite sides of a differential expansion collar to increase measurable range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe extended linear range of up to 27.9 mm allows monitoring of large shaft movements that exceed the capability of standard 8 mm proximity systems.\u003c\/p\u003e\n\u003ch3\u003eEddy-Current Signal Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 330878-51-05 operates as part of the Bently Nevada eddy-current measurement architecture. The Proximitor Sensor supplies excitation and converts probe impedance changes into proportional displacement signals.\u003c\/p\u003e\n\u003cp\u003eThe system requires correct probe gap adjustment and calibration to maintain measurement accuracy. Gap voltage validation is used during installation to confirm the probe operates within the intended electrical range.\u003c\/p\u003e\n\u003cp\u003eFor rotor dynamics applications, installation geometry and target dimensions must be considered to prevent measurement errors caused by insufficient target surface area or probe interaction.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eThe delivered configuration includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Bently Nevada 330878-51-05 3300 XL 50 mm Proximitor Sensor\u003c\/li\u003e\n\u003cli\u003e1 x DIN mount sensor assembly\u003c\/li\u003e\n\u003cli\u003e1 x Factory configured sensor housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRequired system components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 3300 XL 50 mm Probe\u003c\/li\u003e\n\u003cli\u003e1 x Compatible extension cable\u003c\/li\u003e\n\u003cli\u003e1 x Compatible Bently Nevada monitoring input channel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the Proximitor Sensor on a suitable DIN mounting location.\u003c\/li\u003e\n\u003cli\u003eVerify probe, extension cable, and sensor combinations match the required system length.\u003c\/li\u003e\n\u003cli\u003eEnsure the target surface provides sufficient area for 50 mm probe operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRoute proximity signal wiring separately from high-voltage power cables.\u003c\/li\u003e\n\u003cli\u003eMaintain cable shielding and grounding practices according to Bently Nevada installation requirements.\u003c\/li\u003e\n\u003cli\u003eAvoid unnecessary cable bends or mechanical stress on extension cable connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Calibration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify probe gap voltage before commissioning.\u003c\/li\u003e\n\u003cli\u003eConfirm displacement output response after mechanical installation.\u003c\/li\u003e\n\u003cli\u003eValidate monitoring channel configuration before placing equipment into operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat measurement does the 330878-51-05 Proximitor Sensor perform?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt converts eddy-current probe signals into displacement measurements used for differential expansion and rotor expansion monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 330878-51-05 a complete proximity transducer system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It requires a compatible 50 mm probe and extension cable to create a complete transducer system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum linear measurement range?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 3300 XL 50 mm system provides a maximum linear range of 27.9 mm (1100 mils).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting method is used for this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 330878-51-05 configuration uses DIN rail mounting for installation inside monitoring cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this sensor measure standard 8 mm probe signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This model is designed specifically for the 3300 XL 50 mm transducer system components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat installation factor affects cross-talk performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProper probe spacing, target size, and mechanical installation arrangement reduce possible cross-talk effects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat voltage supply does the Proximitor Sensor require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe system operates with a -24 VDC supply as specified for the 3300 XL Proximitor Sensor design.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this sensor connect directly to a PLC input?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It requires a compatible monitoring system input channel designed for Bently Nevada proximity signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46025296904365,"sku":"330878-51-05","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/Bently330878-51-05_4_3.jpg?v=1783496563","url":"https:\/\/www.maxwellplc.com\/ga\/products\/330878-51-05-bently-nevada-3300-xl-series-proximitor-sensor","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}