{"product_id":"330851-02-000-060-50-00-05-3300-xl-25-mm-proximity-probe-bently-nevada","title":"330851-02-000-060-50-00-05 3300 XL 25 mm Proximity Probe | Bently Nevada","description":"\u003cp\u003eConfigured for non-contact vibration and axial displacement processing in 3500 Machinery Protection System networks, the \u003cstrong\u003eBently Nevada 330851-02-000-060-50-00-05\u003c\/strong\u003e (\u003cstrong\u003e330851\u003c\/strong\u003e Proximity Probe) provides direct physical\/electrical execution. It uses an eddy-current sensor tip to measure physical clearance between the probe and conductive targets, providing proportional voltage signals to downstream Proximitor processing units.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe catalog code suffix structure for the 330851-02-000-060-50-00-05 proximity probe determines the physical and agency hardware specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e330851\u003c\/strong\u003e: Base Model Designation for 3300 XL 25 mm Proximity Probe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e02\u003c\/strong\u003e: Probe Case Type Option – M30x2 thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e000\u003c\/strong\u003e: Unthreaded Length Option – 0 mm (fully threaded case).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e060\u003c\/strong\u003e: Overall Case Length Option – 60 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50\u003c\/strong\u003e: Total Length Option – 5.0 metres (16.4 feet).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e00\u003c\/strong\u003e: Armor Option – No armor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e05\u003c\/strong\u003e: Agency Approval Option – Multiple approvals (CSA, ATEX, IECEx).\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\u003e330851-02-000-060-50-00-05\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eShipping Weight: 2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eM30x2 thread, 60 mm overall case length, 5.0 m total cable length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-51 deg C to +177 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive physical media (0 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Tip Diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003eM30x2 metric thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003eIntegrated 5.0 m coaxial lead with ClickLock miniature coaxial connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGap Voltage Validation and Cross-Talk Suppression\u003c\/h3\u003e\n\u003cp\u003eThe 330851 25 mm proximity probe generates high-frequency magnetic fields at the probe tip to maintain calibrated eddy-current probe scaling across wide dynamic displacement ranges. Target clearance variations alter the field resistance, generating linear output voltage changes required for tracking high-amplitude shaft motion and rotor dynamics.\u003c\/p\u003e\n\u003cp\u003eDuring field commissioning, gap voltage validation targets a static -10 VDC baseline at the Proximitor output terminals when the shaft is centered at mechanical mid-span. Proper mechanical gapping and rigid probe installation prevent signal clipping during severe dynamic vibration events while optimizing cross-talk suppression between adjacent orthogonal probe channels mounted in close proximity inside bearing housings.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 5.0 m integral cable on the 330851 probe be cut or shortened during installation?\u003c\/p\u003e\n\u003cp\u003eA: No. Trimming or splicing the cable alters the overall system inductance and capacitance, causing severe calibration error, disrupting eddy-current probe scaling, and throwing off gap voltage validation targets.\u003c\/p\u003e\n\u003cp\u003eQ: How does the M30x2 thread housing secure the probe inside heavy machine casings?\u003c\/p\u003e\n\u003cp\u003eA: The M30x2 metric thread provides a rigid mechanical engagement. When tightened to specification with a locknut, it maintains physical positioning under heavy industrial vibration to prevent gap drift.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInspect the 25 mm probe tip, threaded M30x2 body, and miniature coaxial connector for oil, debris, or mechanical thread damage before mounting.\u003c\/li\u003e\n\u003cli\u003eMount the probe into its rigid bracket or casing hole, engaging a minimum of 5 full threads, and secure it using the provided locknut.\u003c\/li\u003e\n\u003cli\u003eRoute the 5.0 m integral cable through grounded conduit or cable trays, adhering to a minimum static bend radius of 25.4 mm (1.0 in).\u003c\/li\u003e\n\u003cli\u003eSeparate the probe cable from high-voltage AC lines and variable frequency drive (VFD) output wiring by at least 300 mm to eliminate electromagnetic noise interference.\u003c\/li\u003e\n\u003cli\u003eConnect the miniature ClickLock coaxial lead to the Proximitor system extension cable until fully seated, and slide an approved rubber connector protector boot over the junction.\u003c\/li\u003e\n\u003cli\u003eVerify gap voltage validation across the Proximitor output terminals using a digital multimeter; adjust probe insertion depth until the baseline output reads approximately -10 VDC at static machine rest.\u003c\/li\u003e\n\u003cli\u003eConnect the signal wiring shield exclusively to instrument earth at the monitoring rack end, leaving the shield floating at the probe junction box to prevent ground loop currents.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43681203519578,"sku":"330851-02-000-060-50-00-05","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/330102-00-20-10-02-00_d3aa5bc9-162b-4f03-9100-8ce4da425301.png?v=1784518632","url":"https:\/\/www.spareoil.com\/products\/330851-02-000-060-50-00-05-3300-xl-25-mm-proximity-probe-bently-nevada","provider":"SpareOil Automation","version":"1.0","type":"link"}