{"product_id":"21000-28-10-20-030-03-02-bently-nevada-proximity-probe-housing-assembly","title":"21000-28-10-20-030-03-02 Bently Nevada Proximity Probe Housing Assembly","description":"\u003ch3\u003eExecutive Engineering Overview\u003c\/h3\u003e\n\u003cp\u003eEngineered for critical rotating machinery protection, the \u003cstrong\u003eBently Nevada\u003c\/strong\u003e \u003cstrong\u003e21000\u003c\/strong\u003e series \u003cstrong\u003e21000-28-10-20-030-03-02\u003c\/strong\u003e is a robust proximity probe housing assembly designed for harsh industrial environments. Combining an aluminum body with a 304 stainless steel sleeve, this assembly houses an 8 mm 3300 XL proximity probe. It provides explosion-proof containment compliant with CSA standards and API 670 requirements, ensuring accurate vibration and radial displacement monitoring under extreme operating conditions.\u003c\/p\u003e\n\u003ch3\u003eModel 21000 Configuration Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model:\u003c\/strong\u003e \u003cstrong\u003e21000\u003c\/strong\u003e Proximity Probe Housing Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Option (-28):\u003c\/strong\u003e 3300 XL 8 mm probe with selectable hazardous area approvals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length (-10):\u003c\/strong\u003e 1.0 m (39 in) probe cable configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandoff Adapter (-20):\u003c\/strong\u003e 2-inch standoff adapter length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Penetration (-030):\u003c\/strong\u003e 3-inch probe penetration depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Option (-03):\u003c\/strong\u003e Includes one 3\/4-14 NPT plug, one 3\/4-14 to 1\/2-14 NPT reducer, and cable seal grip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Thread (-02):\u003c\/strong\u003e 3\/4-14 NPT mounting thread specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Dimensional Parameters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer \u0026amp; Series:\u003c\/strong\u003e \u003cstrong\u003eBently Nevada\u003c\/strong\u003e \u003cstrong\u003e21000\u003c\/strong\u003e Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Identification:\u003c\/strong\u003e \u003cstrong\u003e21000-28-10-20-030-03-02\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Composition:\u003c\/strong\u003e Aluminum body integrated with a 304 stainless steel sleeve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Net Weight:\u003c\/strong\u003e 1.1 kg (2.4 lb) excluding conduit fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Reach Dimensions:\u003c\/strong\u003e Maximum (C) + (D) with visible probe is 17.0 in (43.18 cm); Max dimension up to 32.9 in (83.5 cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Ratings:\u003c\/strong\u003e CSA Type 4 enclosure; Explosion-proof for Class I, Div 1\/2, Groups C \u0026amp; D; Class II, Div 1\/2, Groups E, F, G; Class III\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature Classes:\u003c\/strong\u003e T5 at Ta = -50°C to +40°C; T4 at Ta = -50°C to +80°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Mechanical Deployment Protocol\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003e21000-28-10-20-030-03-02\u003c\/strong\u003e housing securely onto the machinery casing using the 3\/4-14 NPT mounting thread.\u003c\/li\u003e\n\u003cli\u003eEnsure proper alignment of the 3-inch probe penetration depth relative to the rotating shaft target.\u003c\/li\u003e\n\u003cli\u003eRoute the 1.0 m probe cable through the internal sleeve and seal it tightly using the provided cable grip grommets to prevent moisture ingress.\u003c\/li\u003e\n\u003cli\u003eConnect rigid or flexible conduit into the threaded ports, ensuring all hazardous area sealing requirements are strictly met.\u003c\/li\u003e\n\u003cli\u003eVerify continuity and grounding integrity to maintain non-incendive circuit compliance per drawing standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning, Diagnostics \u0026amp; Compliance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerform initial gap voltage checks using a digital multimeter to confirm proper probe spacing from the shaft target.\u003c\/li\u003e\n\u003cli\u003eVerify that the dome cover is tightly threaded and sealed with O-rings to preserve the explosion-proof enclosure rating.\u003c\/li\u003e\n\u003cli\u003eInspect system output signals for stable static gap and dynamic vibration waveforms through your monitoring rack.\u003c\/li\u003e\n\u003cli\u003eEnsure compliance with API 670 guidelines for externally mounted proximity probe installations.\u003c\/li\u003e\n\u003cli\u003eVerify RoHS compliance (Directive 2011\/65\/EU) for environmental material safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Equipment \u0026amp; Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Compatibility:\u003c\/strong\u003e Steam turbines, heavy industrial compressors, large centrifugal pumps, gas turbines, and generators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Environments:\u003c\/strong\u003e Refineries, petrochemical processing plants, offshore production platforms, and power generation facilities requiring API 670 compliant vibration monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics, Fulfillment \u0026amp; Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Window:\u003c\/strong\u003e Fast global order handling and fulfillment within \u003cstrong\u003e24-48 hours\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Carriers:\u003c\/strong\u003e Expedited international shipping via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Assurance:\u003c\/strong\u003e Protected by a full \u003cstrong\u003e12-month factory warranty\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eWhen installing proximity probe assemblies in high-vibration compressor skids, thermal growth of the casing can alter probe penetration depth over time. In our field experience at Global PLC Spare HUB, ensuring that lock nuts and standoff adapters are torqued to exact engineering specifications prevents shifting during thermal transients. Furthermore, always match the probe cable length precisely to avoid excess coil coiling inside tight housing cavities, which can induce high-frequency signal noise.\u003c\/p\u003e\n\u003ch3\u003eSelection \u0026amp; Model Comparison Guidance\u003c\/h3\u003e\n\u003cp\u003eWhen selecting probe housings for varying machinery clearances, engineers must carefully evaluate penetration depth and standoff adapter requirements. For instance, comparing the current configuration with the alternative \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21000-28-10-30-095-03-02-bently-nevada-housing-assembly-proximity\"\u003e21000-28-10-30-095-03-02\u003c\/a\u003e highlights key differences: while both utilize an 8 mm probe and 1.0 m cable, the alternative model features a deeper 9.5-inch probe penetration and a 3-inch standoff adapter (-30 \/ -095) tailored for thicker thermal insulation layers or recessed mounting bosses. Select the penetration option that positions the probe tip exactly within its linear operating range relative to your shaft target.\u003c\/p\u003e\n\u003ch3\u003eProfessional Frequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat are the primary hazardous area certifications for the \u003cstrong\u003e21000-28-10-20-030-03-02\u003c\/strong\u003e housing?\u003c\/h4\u003e\n\u003cp\u003eThis assembly is CSA certified as a Type 4 enclosure, rated explosion-proof for Class I, Divisions 1 and 2, Groups C and D; Class II, Divisions 1 and 2, Groups E, F, and G; and Class III.\u003c\/p\u003e\n\u003ch4\u003eWhy is the standoff adapter length critical when configuring the housing assembly?\u003c\/h4\u003e\n\u003cp\u003eThe standoff adapter provides necessary clearance when mounting probes through thick insulation blankets or machinery thermal guards, ensuring the probe head remains correctly positioned.\u003c\/p\u003e\n\u003ch4\u003eCan North American CSA-certified housings be deployed outside of North America?\u003c\/h4\u003e\n\u003cp\u003eCSA-certified CA housings are restricted to North American end users; standard uncertified versions (21000 and 24701) must be specified for international plant locations.\u003c\/p\u003e\n\u003ch4\u003eWhat precautions should be observed when routing the probe cable through the seal grip?\u003c\/h4\u003e\n\u003cp\u003eSelect the correct grommet size corresponding to your cable diameter (ranging from 1\/8 to 3\/8 inches) to ensure a complete environmental seal against dust and liquid ingress.\u003c\/p\u003e\n\u003ch4\u003eHow does API 670 compliance impact the selection of this probe housing?\u003c\/h4\u003e\n\u003cp\u003eAPI 670 standardization guarantees that the mechanical construction, pressure containment, and mounting interfaces meet rigorous global benchmarks for machinery protection systems.\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":45014026846390,"sku":"21000-28-10-20-030-03-02","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000-28-05-15-012-04-02_4060e903-d966-477a-a984-7aa81d9b66d4.jpg?v=1786953172","url":"https:\/\/www.plcsparehub.com\/products\/21000-28-10-20-030-03-02-bently-nevada-proximity-probe-housing-assembly","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}