{"product_id":"330908-39-71-05-01-00-bently-nevada-proximity-probe-3300-nsv-series","title":"330908-39-71-05-01-00 Bently Nevada Proximity Probe 3300 NSv Series","description":"\u003cp\u003eConfigured for high-frequency displacement monitoring in 3500 Machinery Protection Systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 330908-39-71-05-01-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e330908\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximity Probe) provides direct physical\/electrical execution. This component is engineered for small-diameter shaft applications, converting the gap between the probe tip and target into a linear voltage signal. The system is designed to provide high-resolution measurement of rotor position and vibration where standard 8 mm probes are physically constrained or lack the required measurement range for small-target geometry.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e330908\u003c\/strong\u003e: 3300 NSv Proximity Probe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-39\u003c\/strong\u003e: Thread option (3\/8-24 UNF thread, non-armored)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-71\u003c\/strong\u003e: Unthreaded Length option (71 mm length)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-05\u003c\/strong\u003e: Total Length option (0.5 meter system length)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-01\u003c\/strong\u003e: Connector option (Miniature coaxial connector)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-00\u003c\/strong\u003e: Agency Approval option (Not required\/Standard version)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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\u003e330908-39-71-05-01-00\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\u003e0.15 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\u003e20.0 cm x 20.0 cm 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-35 deg C 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, -24 VDC bias provided by NSv Proximitor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eScale Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.87 V\/mm (200 mV\/mil)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLinear Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 mm (60 mils)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Monitoring \u0026amp; Rotor Dynamics\u003c\/h3\u003e\n\u003cp\u003eThe 3300 NSv system requires specific eddy-current probe scaling to ensure accuracy, particularly when monitoring low-amplitude vibrations on small-diameter shafts. Field engineers must perform gap voltage validation to maintain the -10 VDC target at the mechanical center of the probe linear range. This ensures that dynamic signals remain within the optimum response window of the monitoring module. Additionally, cross-talk suppression is vital; maintain adequate spacing between probe tips to prevent inductive coupling, which can otherwise introduce false phase-angle data or erroneous vibration readings into the protection logic.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOne (1) 330908-39-71-05-01-00 Proximity Probe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo (2) 3\/8-24 UNF hex locknuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOne (1) silicone connector protector sleeve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompliance and factory calibration documentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThread Engagement\u003c\/strong\u003e: Ensure at least five (5) full thread turns of engagement within the mounting bracket to secure the probe against process vibrations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGap Calibration\u003c\/strong\u003e: Use a feeler gauge to establish the initial mechanical gap prior to operation, confirming the target is within the linear 1.5 mm range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShield Grounding\u003c\/strong\u003e: Terminate the coaxial shield exclusively at the designated ground terminal within the Proximitor housing to prevent circulating ground-loop currents.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Handling\u003c\/strong\u003e: Maintain a minimum bend radius of 25.4 mm (1.0 inch) and secure the cable at regular intervals to prevent structural fatigue.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eLogistics \u0026amp; Transit\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDelivery time: 2-7 days when payment finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShipped via DHL\/FEDEX\/UPS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnti-static industrial packaging used to prevent ESD and impact damage during global transit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 330908 probe be used with standard 3300 XL Proximitors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The NSv probe is designed specifically for the 3300 NSv Proximitor sensor due to different carrier frequencies and impedance characteristics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the consequence of exceeding the linear range?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExceeding the 1.5 mm linear range results in signal non-linearity, causing distortion of the vibration waveform and inaccurate amplitude readings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this probe suitable for submerged oil service?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided the coaxial connector is protected by the silicone sleeve to prevent conductive fluids from bridging the connector pins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the probe output voltage increase with distance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe probe uses an inductive oscillator; as the target moves away, the loading on the coil decreases, shifting the output voltage closer to the supply voltage (-24 VDC).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the probe cable be shortened in the field?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Altering the cable length changes the impedance of the tuned circuit, which invalidates the calibration and significantly degrades measurement accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow is probe health monitored in the 3500 system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe monitor constantly checks the gap voltage. Values outside the -1 VDC to -21 VDC range trigger a NOT OK status, indicating a fault.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the probe tip diameter affect the measurement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 3300 NSv tip is optimized for smaller targets than standard 8 mm probes, providing better resolution for small-diameter shaft applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a limit to how many probes can be mounted near each other?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. To prevent cross-talk, probes must be separated by at least 25 mm if they are not shielded or oriented such that their fields do not overlap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45518841151661,"sku":"330908-39-71-05-01-00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-330908-39-71-05-01-00-3300-nsv-proximity-probes-l33hu32slq1.jpg?v=1766980236","url":"https:\/\/www.maxwellplc.com\/products\/330908-39-71-05-01-00-bently-nevada-proximity-probe-3300-nsv-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}