{"product_id":"bently-nevada-21000-34-05-15-026-01-02-proximity-probe-housing-assembly","title":"Bently Nevada 21000-34-05-15-026-01-02 Proximity Probe Housing Assembly","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for heavy-duty turbomachinery monitoring, this rugged mechanical enclosure facilitates the precise mounting and protection of proximity transducers. The \u003cstrong\u003eBently Nevada 21000-34-05-15-026-01-02\u003c\/strong\u003e serves as a robust barrier against environmental hazards, high-pressure washdowns, and explosive atmospheres, securing a 3300 XL 8 mm proximity probe inside its protective envelope. By utilizing a continuous internal sleeve, it maintains a physical process seal while allowing external access to the probe connection point, minimizing maintenance downtime during sensor replacement or calibration.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExplosion-Proof Certification:\u003c\/strong\u003e Meets stringent hazardous area classifications when properly installed with the dual dome conduit design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated 3300 XL Probe:\u003c\/strong\u003e Supplied pre-configured with a 3300 XL 8 mm proximity probe and mechanical connector protector to resist oil, moisture, and chemical exposure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Penetration Control:\u003c\/strong\u003e Designed with a nominal 2.6-inch probe penetration depth to align accurately within standard machine casings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Conduit Entry:\u003c\/strong\u003e Features standard NPT threads and explosion-proof fittings to prevent moisture ingress and flame propagation in critical utility paths.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eSteam and gas turbine radial vibration and axial thrust position monitoring.\u003c\/li\u003e\n  \u003cli\u003eLarge industrial centrifugal compressor shaft displacement diagnostics.\u003c\/li\u003e\n  \u003cli\u003eCritical cooling tower fan drive shafts and gearbox mechanical protection systems.\u003c\/li\u003e\n  \u003cli\u003ePetrochemical, refining, and gas processing plant rotating machinery assets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\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: 10px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eValue \/ Specification\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: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBently Nevada\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePart Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e21000-34-05-15-026-01-02\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProbe Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3300 XL 8 mm probe with connector protector, multiple approvals (-34)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProbe Cable Length\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\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: 10px; font-weight: bold;\"\u003eStandoff Adapter Length\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.5 inches \/ 38 mm (-15)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProbe Penetration Depth\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2.6 inches \/ 66 mm (-026)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eFittings Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eOne explosion-proof fitting and one plug (-01)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMounting Thread Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\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: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUnited States (U.S.A.)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3.00 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eThe Bently Nevada 21000 series features a standard aluminum dome configuration, which can be interchanged with the 31000 series when premium stainless steel casing materials are required for highly corrosive or offshore environments. The probe inside this housing is fully compatible with any standard 3300 XL Proximitor sensor loop, provided the total system cable length (including probe and extension cable) equals 5.0 meters or 9.0 meters as matched to the specific Proximitor model.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eWhen dealing with high-temperature environments, engineers must account for thermal expansion of the machine shaft and casing. The differential growth between the housing mounting point and the shaft target can alter the probe's physical gap. Ensure that maximum operating temperatures inside the machine do not push the sensor beyond its native 177 degC thermal limit. Furthermore, condensate accumulation inside explosion-proof conduits is a common cause of high-frequency signal noise; drain loops or certified conduit drains should always be positioned at the lowest physical run point.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eTo verify the electrical gap during installation, connect the probe to the Proximitor using a calibrated multimeter to monitor the DC output voltage. Loosen the housing locknut, adjust the internal sleeve until the voltage reads exactly -10.0 VDC (the nominal midpoint of the linear range for a 3300 XL 8 mm system monitoring standard AISI 4140 steel), and then torque the locknut to specification. Always use the included connector protector on the coaxial link; failure to seal this connection allows fluid bypass to degrade the high-frequency RF transmission pathway.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 5px;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eEnsure the machinery is completely shut down and de-energized before mounting or servicing proximity housing assemblies. Verify that hazardous gas concentrations are well below flammable thresholds prior to opening any explosion-proof enclosures or pulling field cables.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 10px; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: center;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; justify-content: center; align-items: center; margin-right: 10px; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cspan style=\"color: #2d3748;\"\u003eClean and inspect the machine's 3\/4-14 NPT threaded mounting port to clear out metal burrs or debris.\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: center;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; justify-content: center; align-items: center; margin-right: 10px; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cspan style=\"color: #2d3748;\"\u003eApply a light layer of industrial anti-seize compound to the housing threads, and thread the standoff adapter firmly into the casing port.\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: center;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; justify-content: center; align-items: center; margin-right: 10px; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cspan style=\"color: #2d3748;\"\u003eAdjust the probe's internal sleeve penetration depth, measure voltage to calibrate the target gap, and tighten the locknut.\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: center;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; justify-content: center; align-items: center; margin-right: 10px; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n    \u003cspan style=\"color: #2d3748;\"\u003eInstall the explosion-proof fitting and plug, ensuring all conduit runs are properly sealed with pouring compound where local electrical codes mandate.\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668316320107,"sku":"21000-34-05-15-026-01-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/21000-34-05-15-026-01-02-myep5w51snw_fba39227-96ab-41f2-89c2-41f5c7b8e3dc.jpg?v=1765521034","url":"https:\/\/www.plcprotech.com\/ms\/products\/bently-nevada-21000-34-05-15-026-01-02-proximity-probe-housing-assembly","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}