{"product_id":"330850-91-05-bently-nevada-3300-xl-25-mm-proximitor-sensor","title":"330850-91-05  Bently Nevada 3300 XL 25 mm Proximitor Sensor","description":"\u003cp\u003eThe \u003cstrong\u003eBently Nevada 330850-91-05\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e330850\u003c\/strong\u003e Proximitor Sensor, operates as a dedicated hardware component for casing-to-shaft proximity signal conditioning within machine monitoring systems.\u003c\/p\u003e\n\u003ch3\u003eOrdering \u0026amp; Configuration Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e330850: 3300 XL 25 mm Proximitor Sensor\u003c\/li\u003e\n\u003cli\u003e91: 9.0 meters (29.5 feet) system length\u003c\/li\u003e\n\u003cli\u003e05: Multiple agency approval ratings\u003c\/li\u003e\n\u003c\/ul\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\u003e330850-91-05\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\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e8.8 x 3.5 x 7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-51 deg C to +100 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDefined by 3300 XL system architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Scale Factor\u003c\/td\u003e\n\u003ctd\u003e0.787 V\/mm (20 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTSI and Mechanical Dynamics\u003c\/h3\u003e\n\u003cp\u003eThe 3300 XL series utilizes high-frequency eddy-current probe scaling to convert target proximity into a linear electrical output. System performance is contingent upon precise gap voltage validation, typically maintained at -10 VDC to ensure the probe operates within its linear measurement range. The sensor architecture includes active cross-talk suppression, permitting operation in multi-channel proximity arrays without mutual signal interference. Accurate rotor dynamics data acquisition relies on maintaining system integrity across the specified 9.0 m cable length.\u003c\/p\u003e\n\u003ch3\u003eOrdering Info\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 330850-91-05 Proximitor Sensor\u003c\/li\u003e\n\u003cli\u003e1 Instruction and technical documentation packet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounting: Secure the sensor within an enclosure or on a DIN rail, ensuring the housing is protected from direct environmental exposure.\u003c\/li\u003e\n\u003cli\u003eCabling: Use factory-terminated coaxial cables to ensure impedance matching; avoid sharp bends or mechanical stress on the ClickLoc connectors.\u003c\/li\u003e\n\u003cli\u003eShielding: Terminate the cable shield at the designated ground reference to maintain RFI\/EMI immunity in industrial environments.\u003c\/li\u003e\n\u003cli\u003eVerification: Confirm system calibration post-installation by checking the gap voltage at the sensor output terminals against expected mechanical clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIs this sensor compatible with 8 mm probes?\u003c\/p\u003e\n\u003cp\u003eNo. The 330850 Proximitor is specifically calibrated for 25 mm probes; electrical impedance mismatch will occur if connected to an 8 mm probe.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat happens if the system cable length is modified in the field?\u003c\/p\u003e\n\u003cp\u003eSystem calibration is fixed to the 9.0 m length. Modifying cable length alters the circuit capacitance and inductance, leading to significant measurement errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the Proximitor be hot-swapped?\u003c\/p\u003e\n\u003cp\u003eThe unit does not support hot-swapping. Power must be disconnected from the loop to avoid electrical transients that may damage internal components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the impact of temperatures exceeding 100 deg C?\u003c\/p\u003e\n\u003cp\u003eOperating above the 100 deg C limit causes drift in the sensor scale factor and potential failure of internal electronic components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the Average Scale Factor (ASF) affect output?\u003c\/p\u003e\n\u003cp\u003eThe 0.787 V\/mm ASF is the constant ratio of output voltage change to input displacement; deviations indicate a fault in the probe or sensor loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the \"91\" option include extension cables?\u003c\/p\u003e\n\u003cp\u003eThe \"91\" code defines the total system length (9.0 m), which includes the probe, extension cable, and Proximitor sensor assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAre there specific grounding requirements for the sensor case?\u003c\/p\u003e\n\u003cp\u003eYes. The sensor case must be connected to a clean instrument ground to maintain the signal-to-noise ratio required for precision vibration monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the significance of the 20 mV\/mil rating?\u003c\/p\u003e\n\u003cp\u003eThis is the standard engineering unit sensitivity for the sensor, used by monitoring systems to interpret the raw voltage output as physical distance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46026781950125,"sku":"330850-91-05","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/330850-91-05_35.jpg?v=1783409569","url":"https:\/\/www.maxwellplc.com\/ga\/products\/330850-91-05-bently-nevada-3300-xl-25-mm-proximitor-sensor","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}