{"product_id":"bently-nevada-21000-28-05-00-085-03-02-proximity-probe-housing-assemblies-21000-series","title":"Bently Nevada 21000-28-05-00-085-03-02 Proximity Probe Housing Assemblies 21000 Series","description":"\u003cp\u003eConfigured for external mounting and environmental protection of proximity probes within Turbine Supervisory Instrumentation (TSI) systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 21000-28-05-00-085-03-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e21000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximity Probe Housing Assemblies) provides direct physical\/electrical execution. This hardware assembly enables field adjustments and sensor replacements under live machinery operating conditions, isolating internal transducer components from high-pressure process environments.\u003c\/p\u003e\n\u003ch3\u003eOption Code Matrix\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e21000\u003c\/strong\u003e: Base explosion-proof proximity probe housing assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-28\u003c\/strong\u003e: Probe thread size option (M10 x 1 threads).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-05\u003c\/strong\u003e: Conduit fitting layout option (Dual 3\/4-14 NPT threads).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-00\u003c\/strong\u003e: Material configuration option (Anodized aluminum main housing body).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-085\u003c\/strong\u003e: Sleeve insertion depth option (8.5 inches nominal length).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-03\u003c\/strong\u003e: O-ring compound option (Fluorocarbon Viton seals).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-02\u003c\/strong\u003e: Reverse-mount hardware inclusion kit option.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical and Mechanical Data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e21000-28-05-00-085-03-02\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnited States\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.38 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e35.0 cm x 19.0 cm x 16.0 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 deg C to +150 deg C (Constrained by Viton seals)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNone (Passive physical enclosure component)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Process Seal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200 kPa (30 psi) fluid pressure limit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThread Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual 3\/4-14 NPT ports\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCertified Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExplosion-proof class design for hazardous areas\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMachinery Monitoring and Rotor Dynamics Interface\u003c\/h3\u003e\n\u003cp\u003eThe mechanical rigidity of the 21000-28-05-00-085-03-02 enclosure supports exact eddy-current probe scaling configurations over high-speed shaft surfaces. Keeping structural vibrations from feeding back into the internal M10 x 1 probe barrel prevents tracking errors in dynamic rotor dynamics data records. Field calibration groups execute gap voltage validation (-10 VDC targets) by loosening the external locknut and mechanically sliding the internal 8.5-inch carrier sleeve. This linear translation aligns the sensor face relative to the target surface, maintaining channel isolation and minimizing high-frequency phase shift to guarantee cross-talk suppression paths function inside the paired Proximitor drivers.\u003c\/p\u003e\n\u003ch3\u003eStructural Clarifications\u003c\/h3\u003e\n\u003cp\u003eQ: How does the internal probe mounting system protect against ground loops?\u003c\/p\u003e\n\u003cp\u003eA: The housing assembly incorporates non-conductive internal sleeve bushings that isolate the metallic probe barrel from the main anodized aluminum outer shell. This physical barrier blocks machine casing common-mode noise currents from entering the transducer shield loop.\u003c\/p\u003e\n\u003cp\u003eQ: What are the thermal and chemical limitations of the internal -03 suffix seals?\u003c\/p\u003e\n\u003cp\u003eA: The -03 suffix specifies fluorocarbon Viton O-rings, which remain stable up to +150 deg C. These seals resist degradation when exposed to synthetic lubricating oils, ammonia, and sour gas mixtures, preventing fluid blow-by into the external conduit junction.\u003c\/p\u003e\n\u003cp\u003eQ: Can the internal sleeve be adjusted while the machine is running at full velocity?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the dual O-ring design maintains a compression seal during manual sleeve travel. Technicians can adjust the insertion depth to set the -10 VDC target gap voltage without shutting down the asset or causing process medium leakage.\u003c\/p\u003e\n\u003ch3\u003eMechanical Installation Protocol\u003c\/h3\u003e\n\u003cp\u003eMount the primary housing flange onto a machined, flat surface pad perpendicular to the target shaft within 0.5 degrees. Install all external 3\/4-14 NPT conduit lines ensuring a minimum engagement of 5 full threads to preserve the explosion-proof integrity of the enclosure. Lubricate the internal Viton O-rings with a light film of instrument oil before sliding the 8.5-inch sleeve into the housing bore to avoid seal tearing. Torque the primary external compression locking collar to factory specifications once the final gap voltage validation is confirmed.\u003c\/p\u003e\n\u003ch3\u003eProcurement Package Content\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Bently Nevada 21000 Machined Aluminum Housing Body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x 8.5-Inch Adjustable Carrier Sleeve (M10 x 1 thread ready)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2 x Fluorocarbon Viton O-Ring Seals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Reverse-Mount Hardware Installation Kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Exterior Aluminum Threaded Protection Cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFreight and Assembly Packaging\u003c\/h3\u003e\n\u003cp\u003eDelivery time: 2-7 days when payment finish, routed via global premium carriers including DHL\/FEDEX\/UPS. Components are shipped sealed inside anti-static industrial packaging layers. The internal adjustment sleeve mechanisms and external thread arrays are enclosed in form-fitted high-density polyethylene foam sleeves to prevent structural distortion or micro-marring during transit.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45518833057965,"sku":"21000-28-05-00-085-03-02","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-21000-28-05-00-085-03-02-proximity-probehousing-assemblies-akzzcliuobi.jpg?v=1766979919","url":"https:\/\/www.maxwellplc.com\/products\/bently-nevada-21000-28-05-00-085-03-02-proximity-probe-housing-assemblies-21000-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}