{"product_id":"bently-nevada-21000-28-05-00-074-04-02-proximity-probe-housing-assembly","title":"Bently Nevada 21000-28-05-00-074-04-02 Proximity Probe Housing Assembly","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eReliable mechanical shielding and environmental protection for critical machinery protection transducers are delivered by the Bently Nevada 21000-28-05-00-074-04-02 proximity probe housing assembly. Designed for seamless integration into severe industrial operating environments, this heavy-duty enclosure protects proximity probes from physical impacts, process contaminants, and hazardous atmosphere exposure, ensuring continuous, high-accuracy vibration and position measurements on high-speed rotating assets.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eKey Features\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\u003e3300 XL Compatibility:\u003c\/strong\u003e Optimized with Option 28 to house a 3300 XL 8 mm proximity probe with multiple hazardous area approvals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Housing:\u003c\/strong\u003e Constructed with a durable aluminum body and a high-strength 304 stainless steel sleeve for harsh industrial exposures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-configured Probe Cable Length:\u003c\/strong\u003e Features option 05 for routing a 0.5-meter (20-inch) probe cable securely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExplosion-Proof Integrity:\u003c\/strong\u003e Maintains robust environmental sealing and physical containment in critical locations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Sleeve Penetration:\u003c\/strong\u003e Engineered for a fixed 7.4-inch probe penetration depth without a standoff adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eContinuous radial vibration and axial position monitoring in steam and gas turbines.\u003c\/li\u003e\n  \u003cli\u003eCasing protection and probe placement on heavy-duty centrifugal and axial compressors.\u003c\/li\u003e\n  \u003cli\u003eIndustrial gearbox, generator, and large electric motor bearing housing protection.\u003c\/li\u003e\n  \u003cli\u003eHostile petrochemical, oil and gas, and power generation environments requiring hazardous area certifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eTechnical Specifications\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;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSpecification\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: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eBently Nevada\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePart Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e21000-28-05-00-074-04-02\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProduct Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eProximity Probe Housing Assembly\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProbe Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3300 XL 8 mm probe with multiple approvals (28)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProbe Cable Length\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.5 meter (20 inches) (05)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eStandoff Adapter Length\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eNo standoff adapter (00)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProbe Penetration Depth\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e7.4 inches (188 mm) (074)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eFittings Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOne 3\/4-14 NPT plug only (04)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMounting Thread Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3\/4-14 NPT (02)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eHousing Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAluminum body\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSleeve Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e304 Stainless Steel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2.0 kg (4.4 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.25rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThis proximity probe housing assembly can be directly replaced by the newer configuration code \u003cstrong\u003e21000-16-05-00-074-04-02\u003c\/strong\u003e. When executing a migration or swap to the replacement assembly, verify that the hazardous area certifications of the internal 16-option probe fully align with the regional classifications of your operating site.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.25rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThermal expansion deltas between the aluminum housing body and the 304 stainless steel sleeve must be factored in when mounting to high-temperature turbine casings. Always ensure that the NPT mounting threads are treated with a high-temperature, anti-seize compound to prevent galling during future disassembly or recalibration procedures.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.25rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen routing the 0.5-meter coaxial probe cable through the conduit outlet, maintain the minimum specified bend radius of 25.4 mm (1.0 inch) for Bently Nevada coaxial cables. Sharp bends or pinch points inside the housing body can alter the electrical properties of the cable, resulting in signal noise or incorrect calibration slopes at the Proximitor sensor.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eBefore installing or opening this housing assembly, ensure the monitored industrial asset is fully de-energized and locked out. Verify that the localized environment is non-hazardous and free of explosive gas mixtures before removing any housing covers or NPT plugs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eApply an approved thread sealant to the 3\/4-14 NPT mounting threads of the sleeve before inserting the unit into the machine port.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eCarefully guide the sleeve into the tapped installation port, avoiding any lateral impact on the proximity probe tip.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eThread the housing assembly into the casing until tight, then align the conduit outlets to facilitate efficient cable routing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eSecure the 3\/4-14 NPT plug in the unused conduit port to preserve the explosion-proof rating of the enclosure.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668294005099,"sku":"21000-28-05-00-074-04-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/21000-28-05-00-074-04-02-3jb4rtpqque_06bb14a6-7cbf-489a-9457-95abcf28b607.jpg?v=1765520377","url":"https:\/\/www.plcprotech.com\/ms\/products\/bently-nevada-21000-28-05-00-074-04-02-proximity-probe-housing-assembly","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}