{"product_id":"21000-27-05-00-40-03-02-bently-nevada-21000-probe-housing-assembly","title":"21000-27-05-00-40-03-02 Bently Nevada 21000 Probe Housing Assembly","description":"\u003ch3\u003e\u003cstrong\u003eEngineered Protection for Industrial Proximity Measurement Systems\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #1677b8;\"\u003eBently Nevada 21000-27-05-00-40-03-02\u003c\/span\u003e\u003c\/strong\u003e is a proximity probe housing assembly from the \u003cstrong\u003e21000 Series\u003c\/strong\u003e. It provides a protected mounting arrangement for reverse mount proximity probes in industrial machinery installations.\u003c\/p\u003e\n\u003cp\u003eThis configuration combines a 3300 XL NSv probe option, a 0.5-meter probe cable, and 4.0-inch probe penetration. Its aluminum housing and 304 stainless steel sleeve provide structural support for demanding industrial environments.\u003c\/p\u003e\n\u003cp\u003eThe assembly incorporates a dome cover, threaded conduit connections, probe sleeve, O-rings, and sealing components. Its fitting package includes NPT connections and a cable seal grip. These components help organize the probe installation and protect the measurement interface.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e21000 housing platform\u003c\/strong\u003e supports externally mounted proximity probe installations. Its design addresses mechanical protection, cable routing, environmental sealing, and hazardous-area installation requirements.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e01 | Ordering Code Architecture and Configuration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe complete part number identifies the probe interface, cable length, mounting arrangement, penetration depth, and fitting package.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCode Segment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSelected Option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21000\u003c\/td\u003e\n\u003ctd\u003e21000\u003c\/td\u003e\n\u003ctd\u003eProximity Probe Housing Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003eProbe Option 27\u003c\/td\u003e\n\u003ctd\u003e3300 XL NSv probe with selectable hazardous-area approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e05\u003c\/td\u003e\n\u003ctd\u003eCable Length 05\u003c\/td\u003e\n\u003ctd\u003e0.5 m (20 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eStandoff Adapter 00\u003c\/td\u003e\n\u003ctd\u003eNo standoff adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003ePenetration 40\u003c\/td\u003e\n\u003ctd\u003e4.0 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e03\u003c\/td\u003e\n\u003ctd\u003eFitting Option 03\u003c\/td\u003e\n\u003ctd\u003eOne 3\/4-14 NPT plug, one reducer, and one cable seal grip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003ctd\u003eMounting Thread 02\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Ordering Number:\u003c\/strong\u003e \u003cspan style=\"color: #1677b8;\"\u003e\u003cstrong\u003e21000-27-05-00-40-03-02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitting Option 03 – Included Components:\u003c\/strong\u003e\u003c\/p\u003e\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.\u003c\/li\u003e\n\u003cli\u003eInterchangeable grommets for different cable diameters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCable Seal Grip Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1\/8 to 3\/16 inches.\u003c\/li\u003e\n\u003cli\u003e1\/4 to 5\/16 inches.\u003c\/li\u003e\n\u003cli\u003e5\/16 to 3\/8 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration Note:\u003c\/strong\u003e Option 00 specifies no standoff adapter. Option 02 identifies the 3\/4-14 NPT mounting thread. Verify the mounting interface against the applicable installation drawing.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e02 | Technical Specifications and Mechanical Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Number\u003c\/td\u003e\n\u003ctd\u003e21000-27-05-00-40-03-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003e21000\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 Configuration\u003c\/td\u003e\n\u003ctd\u003e3300 XL NSv reverse mount probe option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Sleeve Material\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\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\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Penetration\u003c\/td\u003e\n\u003ctd\u003e4.0 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Configuration\u003c\/td\u003e\n\u003ctd\u003eOption 03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Assembly Weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.1 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 inches (34.3 cm), subject to probe visibility configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Warranty\u003c\/td\u003e\n\u003ctd\u003e12 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eDimensional Consideration:\u003c\/strong\u003e The supplied maximum dimension is 13.5 inches, equivalent to approximately 34.3 cm. Confirm the applicable C and D reference points before installation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e03 | Housing Architecture and Component Functions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e21000 Proximity Probe Housing Assembly\u003c\/strong\u003e combines several mechanical and sealing components into one installation arrangement.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngineering Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDome Cover\u003c\/td\u003e\n\u003ctd\u003eProvides an enclosed housing access arrangement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminum Housing Body\u003c\/td\u003e\n\u003ctd\u003eSupports the assembly structure and mounting arrangement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e304 Stainless Steel Sleeve\u003c\/td\u003e\n\u003ctd\u003eProvides the probe mounting interface.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO-Rings\u003c\/td\u003e\n\u003ctd\u003eSupport sealing between compatible assembly interfaces.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Mount Probe\u003c\/td\u003e\n\u003ctd\u003eProvides non-contact shaft displacement measurement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Seal\u003c\/td\u003e\n\u003ctd\u003eSupports sealing at designated threaded connections.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConduit Fittings\u003c\/td\u003e\n\u003ctd\u003eProvide cable and conduit connection interfaces.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandoff Adapter\u003c\/td\u003e\n\u003ctd\u003eProvides an optional mounting extension when specified.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe selected configuration does not include a standoff adapter. Its 4.0-inch penetration option defines the selected probe installation geometry.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e04 | Probe Measurement Interface and Diagnostic Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe assembly supports a compatible \u003cstrong\u003e3300 XL NSv proximity measurement arrangement\u003c\/strong\u003e. The probe detects shaft movement without direct mechanical contact.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTypical Diagnostic Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Displacement:\u003c\/strong\u003e Monitor changes in shaft position relative to the probe target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRadial Vibration:\u003c\/strong\u003e Supply proximity signals for compatible machinery vibration monitoring channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxial Position:\u003c\/strong\u003e Support axial displacement monitoring when the probe orientation and target arrangement permit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Clearance:\u003c\/strong\u003e Help engineers evaluate shaft-to-probe positioning during commissioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Stability:\u003c\/strong\u003e Support investigation of abnormal measurement changes and connection problems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe housing itself does not calculate vibration severity or identify mechanical faults. The connected probe, Proximitor Sensor, and monitor perform the measurement and diagnostic functions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e05 | Suitable Equipment and Industrial Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e21000 housing assembly\u003c\/strong\u003e suits externally mounted proximity probe installations. Engineers can evaluate it for the following equipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Turbines:\u003c\/strong\u003e Protect probe installations used for shaft displacement monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteam Turbines:\u003c\/strong\u003e Support external probe mounting arrangements for rotating shaft measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentrifugal Compressors:\u003c\/strong\u003e Provide a protected mounting enclosure for machinery monitoring probes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Compressors:\u003c\/strong\u003e Organize probe positioning and cable connections in industrial process environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Pumps:\u003c\/strong\u003e Support suitable bearing housing and shaft monitoring arrangements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Generation Equipment:\u003c\/strong\u003e Protect externally mounted measurement components in rotating machinery systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil and Gas Facilities:\u003c\/strong\u003e Support proximity probe installations requiring suitable hazardous-area protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEngineers should evaluate housing material, process exposure, probe orientation, and hazardous-area classification. Confirm actual environmental suitability before selecting the assembly.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e06 | Installation and Engineering Verification\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCorrect installation requires dimensional checks and careful coordination between the probe, sleeve, housing, and cable connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Installation Checks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the complete part number and suffix configuration.\u003c\/li\u003e\n\u003cli\u003eVerify the 3\/4-14 NPT mounting interface.\u003c\/li\u003e\n\u003cli\u003eCheck the available mounting depth and 4.0-inch probe penetration.\u003c\/li\u003e\n\u003cli\u003eConfirm the 0.5-meter probe cable arrangement.\u003c\/li\u003e\n\u003cli\u003eInspect the aluminum body and stainless steel sleeve.\u003c\/li\u003e\n\u003cli\u003eCheck O-rings, thread seals, and cable grip grommets.\u003c\/li\u003e\n\u003cli\u003eVerify the selected probe's hazardous-area approval requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Sequence\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePrepare the mounting port and inspect its NPT threads.\u003c\/li\u003e\n\u003cli\u003eVerify the housing position against the machinery installation drawing.\u003c\/li\u003e\n\u003cli\u003eInstall the specified probe sleeve and sealing components.\u003c\/li\u003e\n\u003cli\u003ePosition the reverse mount probe according to the required penetration depth.\u003c\/li\u003e\n\u003cli\u003eConnect the selected conduit fittings and cable seal grip.\u003c\/li\u003e\n\u003cli\u003eRoute the probe cable without excessive tension or bending.\u003c\/li\u003e\n\u003cli\u003eSecure the dome cover and inspect the sealing interfaces.\u003c\/li\u003e\n\u003cli\u003eComplete electrical checks before commissioning the measurement channel.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eUse the manufacturer's installation instructions for sealing methods and tightening requirements. Do not invent torque values for unspecified housing connections.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e07 | Commissioning and Maintenance Diagnostics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe housing provides mechanical protection and connection management. Maintenance teams should inspect its mechanical condition alongside the connected probe signal.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInspection Item\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Diagnostic Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Cover\u003c\/td\u003e\n\u003ctd\u003eCheck cover engagement and sealing condition.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Threads\u003c\/td\u003e\n\u003ctd\u003eInspect for damage, looseness, and incorrect engagement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Sleeve\u003c\/td\u003e\n\u003ctd\u003eCheck alignment and mechanical integrity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO-Rings\u003c\/td\u003e\n\u003ctd\u003eInspect for deformation, wear, and incorrect installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Seal Grip\u003c\/td\u003e\n\u003ctd\u003eVerify the selected grommet matches the cable diameter.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Position\u003c\/td\u003e\n\u003ctd\u003eConfirm penetration and target clearance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connections\u003c\/td\u003e\n\u003ctd\u003eInspect connector engagement and signal continuity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonitoring Channel\u003c\/td\u003e\n\u003ctd\u003eReview gap voltage, displacement trends, and alarm status.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePractical Troubleshooting:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnstable Readings:\u003c\/strong\u003e Inspect the probe connection, cable routing, and mounting stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnexpected Gap Voltage:\u003c\/strong\u003e Verify probe penetration, target clearance, and probe alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture Inside the Housing:\u003c\/strong\u003e Inspect the dome cover, O-rings, conduit fittings, and cable grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoose Mechanical Assembly:\u003c\/strong\u003e Check NPT connections and mounting support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermittent Signal:\u003c\/strong\u003e Inspect the probe connector and electrical cable for damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRecord commissioning measurements and housing inspection results. Compare later readings against these baseline records. This practice helps technicians identify installation changes early.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e08 | Hazardous-Area Certifications and Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e21000 and 24701 housing families\u003c\/strong\u003e offer CSA-certified configurations for specified hazardous-area applications. The manufacturer also identifies CSA Type 4 enclosure compliance and API 670 design compliance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNorth American Hazardous-Area Classification\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClassification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eApplicable Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass I\u003c\/td\u003e\n\u003ctd\u003eDivisions 1 and 2, Groups C and D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass II\u003c\/td\u003e\n\u003ctd\u003eDivisions 1 and 2, Groups E, F, and G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass III\u003c\/td\u003e\n\u003ctd\u003eApplicable Class III designation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Protection\u003c\/td\u003e\n\u003ctd\u003eNon-incendive when connected according to drawing 140979\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eCSA Type 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Classification\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT5\u003c\/td\u003e\n\u003ctd\u003e-50°C to +40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT4\u003c\/td\u003e\n\u003ctd\u003e-50°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eRegulatory Compliance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA:\u003c\/strong\u003e Certified configurations support the specified explosion-proof applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI 670:\u003c\/strong\u003e The housing design complies with the applicable externally mounted proximity probe housing requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA Type 4:\u003c\/strong\u003e The certified enclosure configuration meets the stated enclosure classification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS:\u003c\/strong\u003e Compliance with European Directive 2011\/65\/EU.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Ordering Distinction:\u003c\/strong\u003e CA21000 and CA24701 housings serve North American end users. Other end-user countries require the standard 21000 or 24701 housing ordering designation.\u003c\/p\u003e\n\u003cp\u003eThe selected probe option 27 offers selectable hazardous-area approvals. Confirm the actual probe approval and housing certification combination before installation. Do not assume that every suffix combination carries identical certification.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e09 | Comparison with 21000-34-05-15-29-04-02\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBoth products belong to the Bently Nevada 21000 proximity housing family. However, their ordering configurations differ and require individual mechanical verification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlternative Product:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21000-34-05-15-29-04-02-bently-nevada-21000-proximity-housing-unit\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003e21000-34-05-15-29-04-02 – Bently Nevada 21000 Proximity Housing Unit\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSelection Criteria\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21000-27-05-00-40-03-02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21000-34-05-15-29-04-02\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003e21000\u003c\/td\u003e\n\u003ctd\u003e21000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Option\u003c\/td\u003e\n\u003ctd\u003e27 – 3300 XL NSv probe\u003c\/td\u003e\n\u003ctd\u003e34 – Verify exact probe configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e0.5 m\u003c\/td\u003e\n\u003ctd\u003e05 suffix; verify option definition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandoff Adapter\u003c\/td\u003e\n\u003ctd\u003e00 – None\u003c\/td\u003e\n\u003ctd\u003e15 – Verify adapter specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePenetration Option\u003c\/td\u003e\n\u003ctd\u003e40 – 4.0 inches\u003c\/td\u003e\n\u003ctd\u003e29 – Verify penetration specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Option\u003c\/td\u003e\n\u003ctd\u003e03\u003c\/td\u003e\n\u003ctd\u003e04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003e02 – 3\/4-14 NPT\u003c\/td\u003e\n\u003ctd\u003e02 – Verify thread specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Selection Focus\u003c\/td\u003e\n\u003ctd\u003e3300 XL NSv probe and 4.0-inch penetration\u003c\/td\u003e\n\u003ctd\u003eAlternative probe and housing configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Selection Recommendations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect 21000-27-05-00-40-03-02\u003c\/strong\u003e when the application requires the specified 3300 XL NSv probe option, 0.5-meter cable, and 4.0-inch penetration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsider 21000-34-05-15-29-04-02\u003c\/strong\u003e when the existing installation requires its alternative probe and standoff configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor replacement projects:\u003c\/strong\u003e Compare actual probe type, sleeve length, penetration, fittings, and mounting thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor new installations:\u003c\/strong\u003e Calculate the required probe position from the machinery mounting geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor hazardous areas:\u003c\/strong\u003e Verify both housing and probe approvals independently.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering Recommendation:\u003c\/strong\u003e Do not substitute these assemblies based only on the shared 21000 series designation. The probe option, standoff adapter, penetration, and fitting configuration determine mechanical compatibility. Obtain the complete dimensional drawings before approving a replacement.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e10 | Global PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e21000-27-05-00-40-03-02\u003c\/strong\u003e should be selected as a complete mechanical installation assembly, not simply as an enclosure. Its probe option, penetration depth, cable length, and NPT fittings define the installation interface.\u003c\/p\u003e\n\u003cp\u003eOne important engineering consideration involves probe penetration. A 4.0-inch penetration configuration must match the distance between the housing mounting reference and the required probe sensing position. Incorrect penetration can restrict probe adjustment or affect target clearance.\u003c\/p\u003e\n\u003cp\u003eThe cable seal grip also deserves attention during field installation. Its grommet must match the actual cable outside diameter. Incorrect sizing can compromise the intended cable sealing arrangement.\u003c\/p\u003e\n\u003cp\u003eFor hazardous-area projects, engineers should evaluate the complete equipment configuration. Housing certification alone does not establish the approval status of every installed probe. Confirm the applicable CSA classification and probe approval documentation together.\u003c\/p\u003e\n\u003cp\u003eAnother practical consideration involves material selection. The aluminum body reduces assembly weight, while the 304 stainless steel sleeve provides a robust probe interface. Engineers should evaluate process exposure and installation conditions before selecting the housing material.\u003c\/p\u003e\n\u003cp\u003eFor replacement planning, compare dimensional drawings rather than relying on part-family similarity. This approach reduces mounting errors and helps maintain consistent probe positioning.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e11 | Packaging and Commercial Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Bently Nevada.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 21000-27-05-00-40-03-02.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Proximity Probe Housing Assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3300 XL NSv probe option, 0.5-meter cable, and 4.0-inch penetration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New and original in factory packing, as specified by the supplier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Contact our sales team for available shipping arrangements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe listed assembly includes its specified housing and fitting configuration. Confirm the final probe, sleeve, seals, and accessory contents against the sales quotation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e12 | Frequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How does the housing's aluminum body affect installation planning?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe aluminum body provides a lightweight structural enclosure. Its typical assembly weight reaches approximately 1.1 kg without fittings. Engineers should include additional fitting weight when calculating mounting support requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How should engineers determine the correct cable seal grip grommet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMeasure the actual cable outside diameter before selecting a grommet. Match the measurement to one of the three supplied diameter ranges. An incorrect grommet size may compromise the intended sealing arrangement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What is the engineering significance of the 304 stainless steel probe sleeve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe sleeve provides a stainless steel interface around the installed probe. It supports the mechanical mounting arrangement and separates the probe installation from the aluminum housing body. Confirm process compatibility before selecting the assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Can engineers use this housing with a different Bently Nevada proximity probe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDo not assume universal probe compatibility. This ordering configuration specifies a 3300 XL NSv probe option. Alternative probes require verification of mounting geometry, sleeve dimensions, connector configuration, and hazardous-area approvals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What information should engineers verify before replacing an existing 21000 housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecord the complete ordering code and inspect the existing installation. Measure penetration depth, mounting thread, cable diameter, and available mounting space. Also verify the probe type, fitting arrangement, and certification requirements before approving the replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000CA21000ProximityProbeHousingAssembly.png?v=1793086009\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":67991127523510,"sku":"21000-27-05-00-40-03-02","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000-28-05-00-030-04-02_3ebc923c-e44b-4ba9-bb64-6a4a46cb5bdf.jpg?v=1793764355","url":"https:\/\/www.plcsparehub.com\/products\/21000-27-05-00-40-03-02-bently-nevada-21000-probe-housing-assembly","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}