{"product_id":"330706-005-046-10-02-00-bently-nevada-3300-xl-11mm-reverse-mount-probe","title":"330706-005-046-10-02-00 Bently Nevada 3300 XL 11mm Reverse Mount Probe","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 330706-005-046-10-02-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized 11mm reverse mount proximity probe engineered for the most demanding Turbine Supervisory Instrumentation (TSI) applications. While standard 8mm probes satisfy general vibration needs, this 11mm system provides a significantly extended linear range, making it the premier choice for monitoring axial thrust position and differential expansion in large steam turbines and reciprocating compressors. Its \"Reverse Mount\" design allows for internal installation within machine housings where external access is limited or where traditional probe mounting is mechanically impossible.\u003c\/p\u003e\n\u003cp\u003eThis transducer captures microscopic shaft movements without physical contact, providing essential protection for fluid-film bearing machinery. By tracking axial thrust and rod drop in real-time, the 330706 probe prevents catastrophic shaft rubbing and bearing failure. Its specialized 100 mV\/mil (3.94 V\/mm) output delivers high-fidelity displacement data, allowing plant engineers to maintain continuous oversight of their most critical rotating assets in power generation and hydrocarbon processing environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Configuration (Part Number Breakdown)\u003c\/h2\u003e\n\u003cp\u003eThe model\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e330706-005-046-10-02-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efollows a specific Bently Nevada engineering nomenclature where each digit segment dictates a mechanical or electrical requirement:\u003c\/p\u003e\n\u003ch3\u003eUnthreaded Length Option (-005)\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e005\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesignates an unthreaded length of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5 inches\u003c\/strong\u003e. This configuration allows for specific penetration into the bearing housing while ensuring the threaded portion remains secured within the mounting bracket or standoff.\u003c\/p\u003e\n\u003ch3\u003eOverall Case Length Option (-046)\u003c\/h3\u003e\n\u003cp\u003eThis indicates an overall case length of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4.6 inches\u003c\/strong\u003e. The reverse mount probe utilizes a specialized housing that allows the cable to exit through the probe tip side or a side port, facilitating internal machine mounting.\u003c\/p\u003e\n\u003ch3\u003eTotal Length Option (-10)\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003especifies a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.0-meter (approx. 3.3 feet)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etotal system length. This probe must be paired with the correct 3300 XL 11mm extension cable to match the Proximitor sensor's total calibrated length (e.g., 5.0m or 9.0m) to maintain signal linearity.\u003c\/p\u003e\n\u003ch3\u003eConnector and Agency Option (-02-00)\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoption provides a miniature coaxial ClickLoc connector with a connector protector to prevent oil and fluid ingress. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esignifies standard global agency approvals, certifying the unit for safe operation in industrial environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProbe Tip Diameter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e11.0 mm (0.433 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLinear Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.0 mm (160 mils)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Sensitivity (ISF)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.94 V\/mm (100 mV\/mil)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-51 °C to +177 °C (-60 °F to +351 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTarget Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAISI 4140 Steel (Standard Calibration)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePressure Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSealing up to 70 psi (4.8 bar)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Length\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.0 Meter (Probe only)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAPI 670 Standard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation \u0026amp; Engineering Guide\u003c\/h2\u003e\n\u003cp\u003eReliable machinery protection starts with precise sensor gapping and meticulous cable management during the installation process:\u003c\/p\u003e\n\u003ch3\u003eGap Voltage Calibration\u003c\/h3\u003e\n\u003cp\u003eEngineers must set the initial \"Static Gap\" using a Digital Multimeter (DMM). For a 3300 XL 11mm system, the center of the 160-mil linear range corresponds to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-10.0 VDC\u003c\/strong\u003e. Adjust the probe depth within the reverse mount housing until the Proximitor output reaches this value while the shaft remains at its rest position before locking the assembly.\u003c\/p\u003e\n\u003ch3\u003eReverse Mount Considerations\u003c\/h3\u003e\n\u003cp\u003eThe reverse mount probe installation typically occurs from the inside of the machine housing. Ensure that the cable routing provides sufficient strain relief and avoids contact with rotating components. Use the ClickLoc connector protector to prevent oil from the bearing housing from entering the coaxial connection.\u003c\/p\u003e\n\u003ch3\u003eSurface Runout Inspection\u003c\/h3\u003e\n\u003cp\u003eThe 11mm probe is sensitive to surface imperfections like scratches or rust. Ensure the target area on the shaft has a smooth surface finish (typically 0.8 micrometers or better). If the target material is not AISI 4140 steel, the sensitivity must be field-verified or recalibrated within the 3500 Monitoring System software.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Measurement Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 11mm tip provides 160 mils of linear range, double that of standard 8mm probes, making it ideal for high-displacement axial measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTSI Seamless Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis probe interfaces directly with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 3500 series\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emonitors, ensuring immediate data visualization in System 1 software for comprehensive diagnostics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior PPS Tip Construction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe probe tip utilizes Polyphenylene Sulfide (PPS), a high-performance thermoplastic that resists chemical corrosion and maintains structural integrity across extreme thermal cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegacy Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module serves as a modern, reliable replacement for discontinued 7200-series transducer systems, bringing legacy machines up to modern API 670 standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How do I verify the health of the 330706 probe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: Measure the DC resistance between the center pin and the outer shield of the coaxial connector. A healthy 1.0m probe lead typically reads between\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5.0 Ω and 9.0 Ω\u003c\/strong\u003e. An infinite reading indicates an open circuit, requiring probe replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can I use this probe with an Ethernet router?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: No. This is a common clerical error in logistics databases. The 330706 is a passive analog sensor. Digital networking (Ethernet) occurs at the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500 Monitoring Rack\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elevel, not at the probe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can I mix 11mm probes with 8mm extension cables?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: No. 11mm systems utilize different electrical calibrations and physical connector dimensions. You must use 3300 XL 11mm probes with 11mm extension cables and 11mm Proximitors to maintain the correct 100 mV\/mil sensitivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is this probe compatible with older 3300 series monitors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: Yes. The 3300 XL 11mm system maintains backward compatibility with legacy 3300 monitors. However, for maximum accuracy and noise immunity, we recommend using a complete 3300 XL transducer system integrated into a 3500 series rack.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":53296614277430,"sku":"330706-005-046-10-02-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2094\/8534\/files\/bently-nevada-330706-005-046-10-02-00-3300-xl-11-mm-reverse-mount-probe-y0z2e3jx4ay.jpg?v=1764045117","url":"https:\/\/www.motrolixtech.com\/products\/330706-005-046-10-02-00-bently-nevada-3300-xl-11mm-reverse-mount-probe","provider":"Motrolix","version":"1.0","type":"link"}