{"product_id":"bently-nevada-330880-28-30-37-01-02-proxpac-xl-proximity-transducer-assembly","title":"Bently Nevada 330880-28-30-37-01-02 PROXPAC XL Proximity Transducer Assembly","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for direct mounting on heavy rotating machinery cases, the \u003cstrong\u003eBently Nevada 330880-28-30-37-01-02\u003c\/strong\u003e integrated \u003cstrong\u003ePROXPAC XL\u003c\/strong\u003e assembly houses a high-precision proximity probe within a rugged, weather-resistant enclosure. This specific hardware configuration integrates a \u003cstrong\u003e3300 XL 8 mm proximity probe\u003c\/strong\u003e designed with multiple hazardous area approvals to provide continuous, non-contact shaft vibration, position, and speed measurements in demanding industrial settings. By combining the probe, standoff adapter, and conduit connection into a single modular unit, this assembly simplifies field deployment and protects sensitive sensor connections from environmental degradation.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated 3300 XL 8 mm Probe:\u003c\/strong\u003e Delivers high-accuracy, high-frequency physical displacement monitoring of rotating elements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRuggedized Enclosure:\u003c\/strong\u003e Protects terminal connections and coaxial cabling from moisture, dust, and corrosive atmospheric contaminants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Engineered Standoff Assembly:\u003c\/strong\u003e Standardized structural components optimize mechanical stability and minimize physical footprint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Hazardous Area Approvals:\u003c\/strong\u003e Configured to comply with rigorous safety protocols for operation in volatile process areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eSteam, gas, and hydro turbine shaft radial vibration and axial position monitoring.\u003c\/li\u003e\n  \u003cli\u003eCritical industrial compressor and turbo-expander thrust bearing clearance safety loops.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed process pump casing displacement and shaft speed sensing.\u003c\/li\u003e\n  \u003cli\u003eHarsh outdoor process environments demanding mechanical shielding for transducer cabling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold;\"\u003eParameter \/ Feature\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eBently Nevada\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModel Code\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e330880-28-30-37-01-02\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePROXPAC XL\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eProbe \u0026amp; Approvals Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3300 XL 8 mm probe with multiple approvals (Option 28)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eStandoff Adapter Option (B Dimension)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3.0 inches (76 mm) (Option 30)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eProbe Penetration Option (C Dimension)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3.7 inches (94 mm) (Option 37)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eFittings Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eOne 3\/4-14 NPT fitting, two plugs (Option 01)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMounting Thread Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3\/4-14 NPT (Option 02)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e1.44 kg (3.17 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3.00 kg (6.61 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eUnited States (USA)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe PROXPAC XL series combines the probe and physical protective junction box into a single mechanical structure. This model is engineered to interface directly with matching 3300 XL Proximitor Sensors. Ensure that the total system electrical length (typically 5.0 meters or 9.0 meters) is matched across the probe, extension cable, and Proximitor to maintain calibration integrity (normally 200 mV\/mil or 7.87 V\/mm).\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIncorrect selection of the B (standoff) and C (penetration) dimensions can result in the probe tip physically impacting the target shaft or being recessed too far inside the machine casing to achieve an active linear range. Engineers must calculate the total casing wall thickness, including gasket tolerances, and verify that the 3.7-inch probe penetration depth aligns correctly with the target's mechanical travel envelope under all thermal operating conditions.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen routing coaxial lines through the 3\/4-14 NPT conduit fitting, do not exceed the minimum bend radius of the miniature coaxial cable. Avoid using harsh mechanical tools to tighten the internal gold-plated ClickLoc connectors, as over-tightening can deform the physical contact pins and lead to signal attenuation or intermittent calibration faults.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-weight: bold;\"\u003eCRITICAL WARNING: De-energize and lock out the target machinery before installing or adjusting the proximity transducer assembly. Verify that the ambient atmosphere is classified as non-hazardous before opening the housing cover or adjusting the mechanical standoff settings while machinery is active.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 2rem; height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.25rem;\"\u003eVerify that the 3\/4-14 NPT mounting threads on both the machine case and the PROXPAC adapter are clean, burr-free, and treated with compatible thread sealant.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 2rem; height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.25rem;\"\u003eThread the standoff adapter into the machinery casing, tightening to the specified torque limit to prevent loose mechanical oscillation during operation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 2rem; height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.25rem;\"\u003eUse a calibrated digital multimeter to monitor the DC gap voltage at the Proximitor Sensor terminals while carefully adjusting the probe position until the target mechanical midpoint (typically -10.0 Vdc) is reached.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 2rem; height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.25rem;\"\u003eTighten the physical locknut, plug any unused conduit openings with the supplied NPT plugs, and secure the weatherproof cover to complete the installation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668302229867,"sku":"330880-28-30-37-01-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/330880-28-30-37-01-02-mp20b3weyir_5b48731b-40a4-40f4-8e9a-6f1846581b35.jpg?v=1765520577","url":"https:\/\/www.plcprotech.com\/fa\/products\/bently-nevada-330880-28-30-37-01-02-proxpac-xl-proximity-transducer-assembly","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}