{"product_id":"330850-90-05-3300-xl-25-mm-proximitor-sensor-bently-nevada","title":"330850-90-05 3300 XL 25 mm Proximitor Sensor | BENTLY NEVADA","description":"\u003cp\u003eConfigured for high-frequency displacement measurement in rotating machinery monitoring networks, the \u003cstrong\u003eBENTLY NEVADA 330850-90-05\u003c\/strong\u003e (\u003cstrong\u003e330850\u003c\/strong\u003e 3300 XL 25 mm Proximitor Sensor) provides direct physical signal processing between the non-contacting probe and the vibration monitoring instrumentation.\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\u003e330850-90-05\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\u003e0.255 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e60 mm x 60 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-35 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e12 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Monitoring and TSI Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 330850-90-05 utilizes eddy-current probe scaling to convert the gap between the probe tip and the observed shaft into a proportional electrical signal. During commissioning, operators must perform gap voltage validation to ensure the steady-state reading is centered at -10 VDC, optimizing the linear range for dynamic observation of rotor dynamics. To maintain measurement precision, particularly in multi-probe arrays, cross-talk suppression must be implemented by strictly adhering to installation spacing guidelines to prevent inductive interference between adjacent sensors.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How should the probe gap be verified during initial installation?\u003c\/p\u003e\n\u003cp\u003eA: Using a high-impedance digital multimeter, measure the voltage at the Proximitor signal output terminals while the machine is at rest. Adjust the probe depth until the voltage reaches the -10 VDC target, confirming the sensor is at the center of its linear range.\u003c\/p\u003e\n\u003cp\u003eQ: Is it permissible to field-trim the 9.0 meter coaxial cable?\u003c\/p\u003e\n\u003cp\u003eA: No. The 3300 XL system is factory-calibrated as a complete assembly (probe, extension cable, and Proximitor). Altering the system length will invalidate the calibration and introduce significant measurement errors.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the Proximitor to a metal panel, ensuring a high-integrity electrical bond to the cabinet chassis for effective EMI shielding.\u003c\/li\u003e\n\u003cli\u003eRoute coaxial cabling through rigid, grounded conduit; maintain segregation from high-voltage AC lines to minimize signal noise.\u003c\/li\u003e\n\u003cli\u003eVerify that all coaxial connectors are tightened to finger-tight. The use of pliers can result in damage to the connector dielectric.\u003c\/li\u003e\n\u003cli\u003eEnsure the probe tip is installed perpendicular to the shaft target to avoid measurement bias caused by radial runout or non-planar surfaces.\u003c\/li\u003e\n\u003cli\u003eTerminate the shield at the monitor end only to prevent ground loops within the signal circuit.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43544697798746,"sku":"330850-90-05","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/330850-50-00_ce756d27-e400-4480-b97a-6db6b9a80740.png?v=1782279592","url":"https:\/\/www.spareoil.com\/ar\/products\/330850-90-05-3300-xl-25-mm-proximitor-sensor-bently-nevada","provider":"SpareOil Automation","version":"1.0","type":"link"}