{"product_id":"330878-91-05-bently-nevada-3300-xl-50-mm-proximitor-sensor","title":"330878-91-05 | Bently Nevada | 3300 XL 50 mm Proximitor Sensor","description":"\u003cp\u003eThe \u003cstrong\u003eBently Nevada 330878-91-05\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e330878-91-05\u003c\/strong\u003e Proximitor Sensor, operates as a dedicated hardware component for sensing shaft displacement and vibration within machinery protection systems.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e330878-91-05\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\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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e102.2 cm x 12.4 cm x 12.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3300 XL loop-powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProximity Sensing\u003c\/td\u003e\n\u003ctd\u003e50 mm sensor interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Scaling and Signal Validation\u003c\/h3\u003e\n\u003cp\u003eThe 330878-91-05 Proximitor sensor is calibrated to interface with 50 mm proximity probes, translating target surface displacement into a proportional voltage signal. Achieving accurate measurement requires strict gap voltage validation; the sensor should output a nominal -10 VDC when the probe is positioned at the center of its linear range relative to the target material. To preserve the integrity of the data stream, cross-talk suppression must be implemented in the field by ensuring that adjacent sensors are spaced according to manufacturer-specified distances to prevent electromagnetic interference between high-frequency oscillator signals.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is this sensor compatible with all 3300 XL series extension cables?\u003c\/p\u003e\n\u003cp\u003eA: Compatibility is dependent on the total system length. The 330878-91-05 is calibrated for a specific system length; using an extension cable that deviates from this specified length will cause significant errors in the voltage-to-distance transfer function.\u003c\/p\u003e\n\u003cp\u003eQ: Can this unit be hot-swapped while the machinery is in operation?\u003c\/p\u003e\n\u003cp\u003eA: The Proximitor sensor can be disconnected, but doing so will trigger an open-circuit fault in the connected monitor module. Ensure the monitoring system is placed in \"Bypass\" or \"Inhibit\" mode before performing any maintenance on the sensor connections.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the sensor in an environment protected from mechanical impact and excessive heat.\u003c\/li\u003e\n\u003cli\u003eEnsure the coaxial cable shield is properly terminated at the monitoring rack common to prevent common-mode noise injection.\u003c\/li\u003e\n\u003cli\u003eKeep the cable run away from high-current power cabling to avoid electromagnetic noise pickup.\u003c\/li\u003e\n\u003cli\u003eVerify all BNC or terminal block connections are secure to prevent intermittent signal dropouts caused by vibration.\u003c\/li\u003e\n\u003cli\u003ePerform a gap voltage check using a multimeter at the monitor input terminals after final installation to confirm the -10 VDC baseline at the mechanical center.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43551765725274,"sku":"330878-91-05","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/330878-50-00_62a7452f-ed0a-4968-9430-651e0e8fa151.png?v=1782356963","url":"https:\/\/www.spareoil.com\/products\/330878-91-05-bently-nevada-3300-xl-50-mm-proximitor-sensor","provider":"SpareOil Automation","version":"1.0","type":"link"}