{"product_id":"21000-28-10-15-039-03-02-proximity-probe-assembly-bently-nevada","title":"21000-28-10-15-039-03-02 Proximity Probe Assembly Bently Nevada","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003e21000-28-10-15-039-03-02\u003c\/strong\u003e is a rugged, explosion-proof \u003cstrong style=\"color: #0056b3;\"\u003e21000 Proximity Probe Housing Assembly\u003c\/strong\u003e engineered by Bently Nevada. This industrial-grade protection system comprises an aluminum body coupled with a 304 stainless steel sleeve. It serves as an external environmental enclosure for a reverse-mount 3300 XL 8 mm proximity probe, fulfilling stringent API 670 standards for machinery protection systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003eBently Nevada 21000-28-10-15-039-03-02\u003c\/strong\u003e provides superior mechanical and environmental shielding for critical vibration sensors. Field engineers favor this assembly because it permits probe adjustments or replacements without breaching the machine casing or shutting down the process. The standard CSA Type 4 rating guarantees optimal moisture sealing and explosion-proof containment in hazardous chemical or hydrocarbon areas.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEquipment \u0026amp; Application Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis certified housing assembly mounts directly onto vital industrial machinery configurations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge centrifugal and axial process compressors\u003c\/li\u003e\n\u003cli\u003eHigh-pressure boiler feed pumps and multi-stage oil pumps\u003c\/li\u003e\n\u003cli\u003eHeavy-duty steam turbines, gas turbines, and turboexpanders\u003c\/li\u003e\n\u003cli\u003eIndustrial induced-draft fans and cooling tower gearboxes\u003c\/li\u003e\n\u003cli\u003eStandard Bently Nevada 3300 XL 8 mm monitoring loops\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Bently Nevada\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong style=\"color: #0056b3;\"\u003e21000-28-10-15-039-03-02\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003cstrong style=\"color: #0056b3;\"\u003e21000 Proximity Probe Housing Assemblies\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Externally Mounted Sensor Housing Enclosure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Corrosion-resistant aluminum casting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleeve Material:\u003c\/strong\u003e AISI 304 stainless steel (SST)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Thread:\u003c\/strong\u003e 3\/4-14 NPT process connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Typical Weight:\u003c\/strong\u003e 1.1 kg (2.4 lb) without auxiliary conduit fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards Compliance:\u003c\/strong\u003e Fully compliant with American Petroleum Institute (API) 670 requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Rating:\u003c\/strong\u003e Certified CSA Type 4 weatherproof enclosure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Approvals:\u003c\/strong\u003e Class I Div 1 \u0026amp; 2 Groups C, D; Class II Div 1 \u0026amp; 2 Groups E, F, G; Class III\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Ratings:\u003c\/strong\u003e T5 at -50°C to +40°C; T4 at -50°C to +80°C ambient range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Directives:\u003c\/strong\u003e RoHS Directive 2011\/65\/EU compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eConfiguration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe specific alphanumeric suffix sequence designates the dimensional and fitting layout for this \u003cstrong style=\"color: #0056b3;\"\u003e21000\u003c\/strong\u003e assembly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #0056b3;\"\u003e21000\u003c\/strong\u003e - Base Probe Housing Assembly Model\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e28\u003c\/strong\u003e - Probe Option\n\u003cul\u003e\n\u003cli\u003eIncludes 3300 XL 8 mm probe with certified hazardous area options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10\u003c\/strong\u003e - Probe Cable Length\n\u003cul\u003e\n\u003cli\u003e1.0 meter (39 inches) integrated probe lead\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15\u003c\/strong\u003e - Standoff Adapter Length\n\u003cul\u003e\n\u003cli\u003e1.5 inches (38 mm) mechanical stand-off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e039\u003c\/strong\u003e - Probe Penetration Depth\n\u003cul\u003e\n\u003cli\u003e3.9 inches insertion length into casing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e03\u003c\/strong\u003e - Conduit Fitting Kit Option\n\u003cul\u003e\n\u003cli\u003eOne 3\/4-14 NPT plug\u003c\/li\u003e\n\u003cli\u003eOne 3\/4-14 to 1\/2-14 NPT reducer\u003c\/li\u003e\n\u003cli\u003eOne cable seal grip with three matching grommets (1\/8\" to 3\/8\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e02\u003c\/strong\u003e - Mounting Thread Option\n\u003cul\u003e\n\u003cli\u003eStandard 3\/4-14 NPT thread profile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Engineering Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInspect the internal O-rings and thread seals carefully before threading the dome cover into place.\u003c\/li\u003e\n\u003cli\u003eApply compatible thread sealant to the 3\/4-14 NPT process thread to maintain explosion-proof sealing.\u003c\/li\u003e\n\u003cli\u003eSelect the proper internal rubber grommet from the 03 kit matching your field cable outer diameter.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the maximum combined length constraint of 32.9 inches (83.5 cm) during housing layout design.\u003c\/li\u003e\n\u003cli\u003eVerify the gap setting of the internal reverse-mount probe before tightening the exterior lock nuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDiagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtects vital sensors tracking dynamic relative shaft vibration (radial oil film metrics).\u003c\/li\u003e\n\u003cli\u003eEnables stable long-term axial shaft positioning (thrust wear monitoring).\u003c\/li\u003e\n\u003cli\u003eMaintains reliable phase-reference tracking (Keyphasor) within high-moisture industrial environments.\u003c\/li\u003e\n\u003cli\u003ePrevents external signal clipping by safeguarding the high-frequency probe-to-cable coaxial junction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eModel Comparison \u0026amp; Technical Recommendation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eReview the design variations when substituting components within the \u003cstrong style=\"color: #0056b3;\"\u003e21000 Series\u003c\/strong\u003e infrastructure:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Model:\u003c\/strong\u003e \u003cstrong style=\"color: #0056b3;\"\u003e21000-28-10-15-039-03-02\u003c\/strong\u003e (1.5\" Standoff, 3.9\" Penetration, Full Multi-Size Fitting Kit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternative Model:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21000-28-05-00-070-01-02-bently-nevada-probe-housing-assembly\" target=\"_blank\"\u003e21000-28-05-00-070-01-02\u003c\/a\u003e (0\" Standoff, 7.0\" Penetration, Standard 1\/2\" NPT Fitting Kit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering Recommendation:\u003c\/strong\u003e The current model includes a 1.5-inch standoff adapter combined with a shorter 3.9-inch penetration depth, making it ideal for thin-walled machine casings requiring external spacing. The alternative model utilizes a zero-standoff design with a much deeper 7.0-inch penetration sleeve. Check your machine clearance and insulation thickness carefully before switching to prevent probe tip collision with the internal shaft.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping, Logistics \u0026amp; Warranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Details:\u003c\/strong\u003e Brand new, original factory-sealed unit in authentic packaging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Support:\u003c\/strong\u003e Full 12-Month factory warranty protection from dispatch date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling Lead Time:\u003c\/strong\u003e Dispatched from stock inventory within 24 to 48 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpress Carriers:\u003c\/strong\u003e Premium international delivery via FedEx, UPS, and DHL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I adjust the insertion depth of the internal proximity probe while the machinery is operating?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the external sleeve and dome design allows safe online adjustments without opening the machine casing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat sizes of field cables does the 03 option cable seal grip accommodate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe kit contains multi-option grommets supporting cable diameters from 1\/8 to 3\/16, 1\/4 to 5\/16, and 5\/16 to 3\/8 inches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is the 3\/4-14 NPT mounting thread option mandatory for this specific assembly configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe system requires this thread size whenever the standoff adapter length option is specified as non-zero.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the aluminum body perform in highly corrosive offshore coastal environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe body offers standard industrial protection, but engineers should specify the alternative 24701 stainless steel housing for extreme marine environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the dome cover screwing directly into the housing body?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt provides an airtight, explosion-proof seal that protects the delicate coaxial connection from environmental moisture ingress.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProcurement \u0026amp; Selection Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStep 1: Calculate your required casing penetration depth precisely to select the correct 3-digit suffix code.\u003c\/li\u003e\n\u003cli\u003eStep 2: Check your conduit layout to see if you need the 3\/4 NPT plug and reducer included in the 03 kit.\u003c\/li\u003e\n\u003cli\u003eStep 3: Confirm if your installation environment demands a standoff adapter to clear mechanical casing components.\u003c\/li\u003e\n\u003cli\u003eStep 4: Send your part number specifications to our sales desk for immediate priority handling and global transport.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000_CA21000_Proximity_Probe_Housing_Assembly_119a66be-01ed-42a8-9685-9e6b8ad4e6e3.png?v=1782892483\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45014029500598,"sku":"21000-28-10-15-039-03-02","price":217.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000-16-10-15-114-03-02.jpg?v=1782892661","url":"https:\/\/www.plcsparehub.com\/products\/21000-28-10-15-039-03-02-proximity-probe-assembly-bently-nevada","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}