{"product_id":"bently-nevada-21000-28-05-00-40-03-02-proximity-probe-housing","title":"Bently Nevada 21000-28-05-00-40-03-02 Proximity Probe Housing","description":"\u003ch3\u003e\u003cstrong\u003e\u003cmark\u003eBently Nevada 21000-28-05-00-40-03-02\u003c\/mark\u003e Proximity Probe Housing Assembly\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cmark\u003eBently Nevada 21000\u003c\/mark\u003e\u003c\/strong\u003e series protects proximity probes in industrial machinery monitoring systems.\u003c\/p\u003e\n\u003cp\u003eThis assembly combines an aluminum housing with a 304 stainless steel probe sleeve. It supports external probe mounting in demanding industrial environments.\u003c\/p\u003e\n\u003cp\u003eThe specified configuration includes a reverse-mount \u003cstrong\u003e3300 XL 8 mm proximity probe\u003c\/strong\u003e with selectable hazardous-area approvals. Its 0.5 m probe cable supports connections within the housing.\u003c\/p\u003e\n\u003cp\u003eThe housing provides a threaded dome cover, conduit ports, sealing components, and cable-entry fittings. Its explosion-proof design supports approved installations in hazardous locations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct number:\u003c\/strong\u003e 21000-28-05-00-40-03-02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Bently Nevada\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct family:\u003c\/strong\u003e 21000 Proximity Probe Housing Assemblies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New and original factory packing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21000-28-05-00-40-03-02\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eProximity probe housing assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe option\u003c\/td\u003e\n\u003ctd\u003eCode 28: 3300 XL 8 mm probe with selectable hazardous-area approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe cable length\u003c\/td\u003e\n\u003ctd\u003e0.5 m (20 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandoff adapter\u003c\/td\u003e\n\u003ctd\u003eCode 00: No standoff adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe penetration\u003c\/td\u003e\n\u003ctd\u003eCode 40: 4.0 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting option\u003c\/td\u003e\n\u003ctd\u003eCode 03: Plug, reducer, and cable seal grip with specified grommets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting thread\u003c\/td\u003e\n\u003ctd\u003eCode 02: 3\/4-14 NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing material\u003c\/td\u003e\n\u003ctd\u003eAluminum body with 304 stainless steel sleeve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical weight\u003c\/td\u003e\n\u003ctd\u003e1.1 kg (2.4 lb), without fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum C + D dimension\u003c\/td\u003e\n\u003ctd\u003e13.5 in (34.3 cm), as stated in the supplied dimensional information\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure classification\u003c\/td\u003e\n\u003ctd\u003eCSA Type 4 for certified housing configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature classification\u003c\/td\u003e\n\u003ctd\u003eT5 at -50°C to +40°C; T4 at -50°C to +80°C for applicable CA-certified housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eRoHS Directive 2011\/65\/EU; applicable CSA approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement-system note:\u003c\/strong\u003e The housing does not define probe sensitivity, linearity, resolution, or frequency response. These values depend on the installed probe and its associated Proximitor sensor. Consult the exact probe and driver documentation before designing the measurement channel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensional note:\u003c\/strong\u003e The supplied source lists 13.5 in and 34.3 mm. These values conflict. The correct conversion is approximately 34.3 cm. Verify the drawing before installation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConfiguration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e21000:\u003c\/strong\u003e Aluminum proximity probe housing family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28:\u003c\/strong\u003e 3300 XL 8 mm probe option, with selectable hazardous-area approvals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e05:\u003c\/strong\u003e Probe cable length of 0.5 m.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e00:\u003c\/strong\u003e No standoff adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40:\u003c\/strong\u003e Probe penetration of 4.0 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e03:\u003c\/strong\u003e Fitting package with a 3\/4-14 NPT plug, reducer, and cable seal grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e02:\u003c\/strong\u003e 3\/4-14 NPT mounting thread.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe cable seal grip includes grommets for cable diameters of 1\/8–3\/16 in, 1\/4–5\/16 in, and 5\/16–3\/8 in. Confirm the selected cable diameter before assembly.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures and Engineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe protection:\u003c\/strong\u003e The housing shields the installed probe and its connections from mechanical exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded construction:\u003c\/strong\u003e The 3\/4-14 NPT interface supports compatible threaded mounting arrangements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed cable entry:\u003c\/strong\u003e The specified cable grip and grommets help maintain the enclosure seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous-area options:\u003c\/strong\u003e Applicable certified configurations support approved installations in classified locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI 670 alignment:\u003c\/strong\u003e The 21000 housing family is designed for externally mounted machinery-monitoring probes under API 670 requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService access:\u003c\/strong\u003e The threaded dome cover provides access for inspection and probe replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteam turbines:\u003c\/strong\u003e Protect proximity probes used for shaft vibration and displacement monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentrifugal compressors:\u003c\/strong\u003e Support external probe mounting for machinery protection measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial pumps:\u003c\/strong\u003e House probes used to monitor shaft movement and vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess machinery:\u003c\/strong\u003e Provide a protected probe installation near classified process areas, subject to site approval.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachinery protection systems:\u003c\/strong\u003e Support compatible Bently Nevada monitoring channels when the probe, driver, and installation meet system requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify the complete part number, probe option, penetration, and mounting thread.\u003c\/li\u003e\n\u003cli\u003eConfirm the installation drawing and available clearance around the probe tip.\u003c\/li\u003e\n\u003cli\u003eCheck the target material and probe-driver compatibility before installation.\u003c\/li\u003e\n\u003cli\u003eInstall the housing using the specified 3\/4-14 NPT interface.\u003c\/li\u003e\n\u003cli\u003eFit the correct cable-seal grommet for the cable diameter.\u003c\/li\u003e\n\u003cli\u003eRoute the probe cable away from power conductors and strong electromagnetic interference sources.\u003c\/li\u003e\n\u003cli\u003eClose the dome cover and verify all sealing interfaces.\u003c\/li\u003e\n\u003cli\u003eFollow the manufacturer's torque, grounding, and hazardous-area installation instructions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eQualified personnel must perform installation in classified areas. Follow applicable electrical codes and site safety procedures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCommissioning, Diagnostics, and Maintenance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe housing provides mechanical protection. It does not independently measure vibration or generate diagnostic data.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial verification:\u003c\/strong\u003e Check probe identity, cable routing, connector condition, and mechanical clearances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal verification:\u003c\/strong\u003e Confirm the probe-driver output and gap voltage using the compatible monitoring system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration checks:\u003c\/strong\u003e Review shaft vibration, displacement, and alarm status through the connected machinery monitor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault isolation:\u003c\/strong\u003e Inspect cable connections, sealing points, and probe mounting when readings become unstable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoutine maintenance:\u003c\/strong\u003e Check for corrosion, loose fittings, damaged grommets, and compromised enclosure seals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eField example:\u003c\/strong\u003e A compressor channel shows intermittent vibration alarms after maintenance. Inspect the probe cable grip and connector first. Then verify the gap voltage and cable continuity before changing alarm settings.\u003c\/p\u003e\n\u003cp\u003eThis procedure helps distinguish installation faults from genuine shaft vibration. It does not replace the monitoring system's diagnostic instructions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility and Selection Guidance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eConfirm these interfaces before ordering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe:\u003c\/strong\u003e Verify the installed probe's exact 3300 XL 8 mm configuration and approval requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver:\u003c\/strong\u003e Use a compatible Proximitor sensor and extension cable for the selected probe system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Confirm the 3\/4-14 NPT thread and 4.0 in penetration suit the machine geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable entry:\u003c\/strong\u003e Match the cable diameter to the supplied seal-grip grommet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous location:\u003c\/strong\u003e Check the complete installation's certification, wiring method, and applicable area classification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eModel Comparison and Technical Recommendation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCompare the specified assembly with the following alternative. The linked product page provides the reference for its configuration.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSelection factor\u003c\/th\u003e\n\u003cth\u003eSpecified model\u003c\/th\u003e\n\u003cth\u003eAlternative\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21000-28-05-00-40-03-02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21000-28-10-20-028-04-02-bently-nevada-proximity-housing\"\u003e\u003cstrong\u003e21000-28-10-20-028-04-02\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown probe family\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8 mm\u003c\/td\u003e\n\u003ctd\u003eConfirm from the linked product specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown cable length\u003c\/td\u003e\n\u003ctd\u003e0.5 m\u003c\/td\u003e\n\u003ctd\u003eConfirm from the linked product specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown standoff option\u003c\/td\u003e\n\u003ctd\u003eNo standoff adapter\u003c\/td\u003e\n\u003ctd\u003eConfirm from the linked product specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown mounting thread\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT\u003c\/td\u003e\n\u003ctd\u003eConfirm from the linked product specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSelection recommendation:\u003c\/strong\u003e Choose the specified model when its 0.5 m cable, 4.0 in penetration, and mounting arrangement match the installation.\u003c\/p\u003e\n\u003cp\u003eConsider the alternative when its documented cable length, adapter arrangement, or fitting package better suits the machine. Do not assume suffix differences are interchangeable. Verify the full configuration against the installation drawing.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCertifications and Environmental Considerations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS:\u003c\/strong\u003e The supplied documentation references European Directive 2011\/65\/EU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA hazardous-area approvals:\u003c\/strong\u003e Applicable CA21000 housing configurations cover specified North American classified areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassifications:\u003c\/strong\u003e Listed approvals include Class I, Class II, and Class III locations, subject to the specific certificate and installation conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature codes:\u003c\/strong\u003e T5 applies from -50°C to +40°C; T4 applies from -50°C to +80°C for the stated certified configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e CSA Type 4 classification applies to certified housing configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI 670:\u003c\/strong\u003e The housing family supports externally mounted proximity probe installations designed around this machinery protection standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCertification depends on the ordered configuration and installation. Verify the current certificate and applicable local requirements before use.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging, Shipping, and Warranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct condition:\u003c\/strong\u003e New and original factory packing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Supplied in factory packaging, subject to stock configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping carriers:\u003c\/strong\u003e FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch:\u003c\/strong\u003e Typically within 24–48 hours after order confirmation and availability verification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months from the applicable warranty start date.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging-list note:\u003c\/strong\u003e The specified assembly includes its configured housing, probe, sealing components, and selected fittings. Confirm the final packing list before shipment. Additional monitoring hardware is not included unless explicitly stated.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHousing selection affects probe access, cable routing, and long-term measurement reliability. Engineers should verify mechanical fit before reviewing electronic measurement performance.\u003c\/p\u003e\n\u003cp\u003eFor example, a compressor retrofit may require a longer penetration or a different cable entry. A matching probe alone does not guarantee a suitable housing installation.\u003c\/p\u003e\n\u003cp\u003eOur recommendation is to compare the full ordering code with the existing installation drawing. Confirm thread engagement, probe position, cable diameter, and hazardous-area approval before replacement.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1. Does this housing measure shaft vibration by itself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The housing supports and protects the proximity probe. A compatible probe, driver, and monitoring system provide measurement and diagnostic functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Can I replace another 21000 housing with this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNot without checking the complete ordering code. Compare penetration, mounting thread, adapter requirements, cable length, and fittings. Small configuration differences can affect probe position and sealing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. How should I investigate unstable vibration readings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInspect the cable entry, connector, and probe mounting first. Then verify the gap voltage and signal continuity. Compare the result with the monitor's diagnostic guidance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Is this model suitable for every hazardous location?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Suitability depends on the ordered certification, area classification, temperature conditions, and installation method. Confirm the applicable certificate before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. What should I confirm before purchasing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProvide the complete part number, existing probe details, mounting dimensions, cable diameter, and hazardous-area requirements. These details help verify configuration compatibility and reduce installation delays.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000_CA21000_Proximity_Probe_Housing_Assembly_007eb544-fd00-4b41-a22e-c953629fa721.png?v=1784785784\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":67665067999414,"sku":"21000-28-05-00-40-03-02","price":203.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000-28-05-20-035-04-02_4e9655c6-051b-470d-96ee-fc8e71162426.jpg?v=1792382553","url":"https:\/\/www.plcsparehub.com\/ar\/products\/bently-nevada-21000-28-05-00-40-03-02-proximity-probe-housing","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}