{"product_id":"330101-00-76-20-02-05-bently-nevada-proximity-probes-8-mm-3300-xl","title":"330101-00-76-20-02-05 Bently Nevada Proximity Probes 8 mm 3300 XL","description":"\u003cp\u003eConfigured for non-contacting static and dynamic shaft displacement measurements in Turbomachinery Instrumentation System platforms, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 330101-00-76-20-02-05\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e330101\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximity Probes) provides direct physical\/electrical execution. The hardware translates high-frequency eddy-current field modulations induced by the tip assembly into continuous voltage signals to track precise radial vibration and axial position changes relative to a rotating conductive target.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e330101-00-76-20-02-05\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.33 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15.0 x 15.0 x 5.0 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-51 to +177 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePassive Component (Driven by Proximitor Sensor)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProbe Tip Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCase Thread Options\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3\/8-24 UNF Thread Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUnthreaded Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0 inches (-00 option)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOverall Case Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.6 inches (-76 option)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTotal Cable Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 meters (-20 option)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnector Option\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMiniature coaxial click-lock connector (-02 option)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAgency Approval Option\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMultiple Approvals \/ ATEX \/ IECEx (-05 option)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Calibration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.87 V\/mm (200 mV\/mil) standard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEddy-Current Probe Scaling and Rotor Dynamics Tracking\u003c\/h3\u003e\n\u003cp\u003eThe 8 mm sensing tip relies on strict calibration tolerances to sustain the target eddy-current probe scaling output factor of 7.87 V\/mm. During the mechanical mounting process, adjusting the physical position of the threaded probe body sets the resting air gap distance, satisfying the electrical gap voltage validation target of -10 VDC at the midpoint of the Proximitor linear range. This specialized impedance alignment allows the multi-channel 3500 monitoring rack to accurately record micro-inch surface variations, optimizing the tracking of high-frequency rotor dynamics while enforcing cross-talk suppression paths when matching dual X-Y orthogonal arrangements on the same shaft plane.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Torque Constraints:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThread the probe barrel manually into the bracket or housing block. Tighten the primary casing jam nuts using calibrated tools to a maximum specification of 11.2 N-m (100 in-lb) to prevent structural binding of the 3\/8-24 UNF threads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransducer Gap Adjustment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAttach a digital voltmeter to the Prox out monitor loop terminals. Adjust the probe depth relative to the target face until the gap voltage validation parameters read exactly -10 VDC nominal (-9.0 to -11.0 VDC acceptable field envelope) before torquing the locking hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCoaxial Shield Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eClean and dry the click-lock coaxial connections before locking. Slide standard fluorocarbon heat-shrink sleeve tubes over the connected joint to prevent local casing contact, preventing electrical ground loops and preserving cross-talk suppression integrity inside the flexible metal conduit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does a field deviation from the recommended gap voltage validation affect high-speed tracking metrics?\u003c\/p\u003e\n\u003cp\u003eA: Installing the probe face outside the calibrated linear zone alters the baseline eddy-current probe scaling coefficient. This causes premature signal clipping during peak transient vibration events, degrading accuracy when tracking high-frequency rotor dynamics.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 2.0-meter integral cable be spliced or shortened to minimize conduit clutter?\u003c\/p\u003e\n\u003cp\u003eA: No. Splicing or modifying the cable length alters the specific electrical length and tuned loop capacitance parameters. This disruption invalidates the factory-set eddy-current probe scaling profile, rendering the conversion data inaccurate.\u003c\/p\u003e\n\u003cp\u003eQ: What physical separation parameters must be maintained to achieve reliable cross-talk suppression?\u003c\/p\u003e\n\u003cp\u003eA: Maintain a minimum center-to-center separation distance of 40 mm between adjacent 8 mm probe tips. Mounting the sensors closer than this boundary allows their high-frequency magnetic fields to overlap, inducing parasitic beat frequencies that degrade cross-talk suppression.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45518826242221,"sku":"330101-00-76-20-02-05","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-330101-00-76-20-02-05-3300-xl-8-mm-proximity-probes-rn2b5lwdmea.jpg?v=1766979695","url":"https:\/\/www.maxwellplc.com\/products\/330101-00-76-20-02-05-bently-nevada-proximity-probes-8-mm-3300-xl","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}