{"product_id":"bently-nevada-330704-000-060-90-02-00-proximity-probes","title":"Bently Nevada 330704-000-060-90-02-00 Proximity Probes","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Bently Nevada 330704-000-060-90-02-00 3300 XL 11mm Proximity Probe represents the advanced solution for non-contacting displacement monitoring in heavy-duty industrial rotating machinery. This 11mm sensor specifically targets applications requiring an extended linear range of 4.0 mm (160 mils), providing critical data for axial thrust and radial vibration monitoring where standard 8mm probes reach their physical limits.\u003c\/p\u003e\n\u003cp\u003eDesigned for the most demanding Turbine Supervisory Instrumentation (TSI) environments, this probe maintains exceptional signal stability in high-pressure and high-temperature scenarios. Its reverse-mount architecture allows for specialized installation through the machine housing, feeding precise analog signals to Bently Nevada 3500 series racks. By implementing this high-precision sensor, plant engineers secure the necessary data fidelity to prevent catastrophic failures in utility-scale steam turbines and large centrifugal compressors.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Suffix Interpretation\u003c\/h2\u003e\n\u003ch3\u003e330704-000-060-90-02-00 Configuration Decoding\u003c\/h3\u003e\n\u003cp\u003eThe specific alphanumeric sequence for this 11mm probe defines its physical mounting profile, electrical length, and regulatory status.\u003c\/p\u003e\n\u003ch3\u003eUnthreaded Length (-000)\u003c\/h3\u003e\n\u003cp\u003eThis indicates a 0.0 mm unthreaded length. For this reverse-mount model, the lack of an unthreaded section ensures the probe can be seated flush against the mounting sleeve or internal bracket for maximum mechanical stability.\u003c\/p\u003e\n\u003ch3\u003eOverall Case Length (-060)\u003c\/h3\u003e\n\u003cp\u003eThe 060 suffix designates a 60 mm total case length. This dimension is optimized for specific bearing housing depths, ensuring the probe tip reaches the target shaft while maintaining a compact rear profile for clearance.\u003c\/p\u003e\n\u003ch3\u003eTotal Length (-90)\u003c\/h3\u003e\n\u003cp\u003eThis specifies a total cable length of 9.0 meters. The 9.0m configuration eliminates the need for a separate extension cable in many installations, providing a direct, high-integrity signal path from the machine to the Proximitor sensor located in a nearby junction box.\u003c\/p\u003e\n\u003ch3\u003eConnector Option (-02)\u003c\/h3\u003e\n\u003cp\u003eThis unit features a miniature coaxial connector with a factory-installed connector protector. The protector provides essential shielding against moisture, oil, and dust at the electrical junction, preventing signal degradation.\u003c\/p\u003e\n\u003ch3\u003eAgency Approval (-00)\u003c\/h3\u003e\n\u003cp\u003eThe 00 suffix indicates no specific agency approvals (Standard). This version is typically utilized in non-hazardous areas or internal testing environments where specific ATEX\/Ex certifications are not mandatory.\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\u003eIndustrial Grade Specification\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada (Baker Hughes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e330704-000-060-90-02-00\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\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\u003e\u003cstrong\u003eHS Code\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e90318010\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.85 kg (Approximate due to 9m cable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Dimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30.5 x 30.5 x 7.6 cm\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\u003eScale Factor\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 Temp\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\u003eThread Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3\/8-24 UNF-2A (Reverse Mount)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003ePrecision Installation Directives\u003c\/h2\u003e\n\u003ch3\u003eGap Voltage Commissioning\u003c\/h3\u003e\n\u003cp\u003eFor 11mm systems, the nominal center of the linear range corresponds to a quiescent gap voltage of -10.00 VDC. Technicians must use a calibrated multimeter at the Proximitor output during installation to ensure the probe remains centered within its 160-mil range, allowing for maximum shaft excursion without signal clipping.\u003c\/p\u003e\n\u003ch3\u003eMechanical Handling and Routing\u003c\/h3\u003e\n\u003cp\u003eObserve a strict minimum bend radius of 25.4 mm (1.0 inch) for the 9.0-meter integral cable. Never kink or pinch the coaxial lead, as mechanical damage to the shield or center conductor permanently alters the system's resonant frequency, leading to inaccurate vibration readings in the DCS.\u003c\/p\u003e\n\u003ch3\u003eTarget Surface Requirements\u003c\/h3\u003e\n\u003cp\u003eThe 11mm probe tip requires a larger target area compared to 8mm models. Ensure the shaft target surface is at least 30.5 mm (1.2 inches) in diameter. Inadequate target size will introduce \"side-viewing\" errors and non-linearities into the machinery protection system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCore Engineering Performance\u003c\/h2\u003e\n\u003ch3\u003eExtreme Resilience in TSI Applications\u003c\/h3\u003e\n\u003cp\u003eThe probe utilizes advanced polyphenylene sulfide (PPS) tip material, ensuring superior resistance to corrosive lubricants and chemical degradation. This material choice prevents tip swelling during high-temperature operation, maintaining a stable DC gap even during the machine's thermal expansion phases.\u003c\/p\u003e\n\u003ch3\u003eSeamless Integration and Synergy\u003c\/h3\u003e\n\u003cp\u003eThis probe acts as the primary sensory input for modern condition monitoring platforms. It integrates flawlessly with Honeywell Experion PKS or Siemens PCS7 systems via the Bently Nevada 3500 rack, facilitating high-speed data acquisition for System 1 diagnostic software.\u003c\/p\u003e\n\u003ch3\u003eHigh-Pressure Integrity\u003c\/h3\u003e\n\u003cp\u003eThe reverse-mount housing and internal seals are designed to withstand the high-pressure environments of large-scale turbine bearing housings. This prevents oil leakage and maintains the environmental seal of the machine while delivering continuous monitoring data.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eGlobal Delivery \u0026amp; Fulfillment\u003c\/h2\u003e\n\u003ch3\u003eFast-Track Logistics\u003c\/h3\u003e\n\u003cp\u003eWe guarantee shipping within 2-7 days when payment finish. All international orders utilize premium air freight via DHL, FEDEX, or UPS, providing door-to-door tracking to ensure critical outages are not delayed by supply chain friction.\u003c\/p\u003e\n\u003ch3\u003eIndustrial-Grade Protection\u003c\/h3\u003e\n\u003cp\u003eEvery 330704 probe is dispatched in New Original Pack condition. We utilize vacuum-sealed moisture barriers and reinforced anti-static industrial packaging to protect the precision-machined 11mm tip and the 9.0m coaxial lead during transcontinental transit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Maintenance FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Why choose a 9.0m probe length (-90 suffix) over a standard 1.0m probe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: The 9.0m cable allows for a \"direct-connect\" setup where the Proximitor sensor is mounted in a remote junction box without needing an additional extension cable. This reduces the number of connector junctions, which are potential points of failure or signal noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can I use this probe with an 8mm Proximitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: No. The 11mm probe and 8mm probe have different sensing coil impedances and resonant frequencies. Using an 8mm Proximitor with an 11mm probe will result in a 50% scale factor error and a non-linear signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How do I verify the health of a 9.0m probe cable in the field?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Measure the DC resistance between the center pin and the outer shell. For a healthy 3300 XL 11mm probe, the resistance should be between 5.0 and 15.0 ohms. An open circuit or a reading above 20 ohms indicates a broken lead or damaged coil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the 330704 compatible with older 7200 series systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: While physically similar, the 3300 XL 11mm system offers superior temperature stability and performance. It is recommended to upgrade the entire transducer chain to 3300 XL to maintain accuracy and system reliability.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45518907080877,"sku":"330704-000-060-90-02-00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-330704-000-060-90-02-00-proximity-probes-mdgohygpvpe.jpg?v=1766981296","url":"https:\/\/www.maxwellplc.com\/products\/bently-nevada-330704-000-060-90-02-00-proximity-probes","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}