{"product_id":"bently-nevada-21000-30-10-00-078-04-02-proximity-probe-housing-assembly","title":"Bently Nevada 21000-30-10-00-078-04-02 Proximity Probe Housing Assembly","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e21000-30-10-00-078-04-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized Proximity Probe Housing Assembly from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e, designed to provide robust mechanical protection and environmental sealing for vibration monitoring sensors. This assembly is specifically configured for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3300 XL 11 mm proximity probe\u003c\/strong\u003e, a high-performance sensor used for measuring fluid-film bearing clearances, shaft vibration, and axial position in large rotating machinery such as turbines, compressors, and pumps.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Status Note:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis specific part number has been superseded by\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e21000-29-10-00-078-04-02\u003c\/strong\u003e. While the 21000-30 configuration remains a common sight in legacy installations, new projects and replacements typically transition to the updated 21000-29 series to maintain compliance with the latest global certification standards.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe part number breakdown reveals the specific mechanical and electrical interface of this assembly:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProbe Option (30):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3300 XL 11 mm probe\u003c\/strong\u003e, featuring multiple global approvals (ATEX, CSA, etc.) for use in hazardous areas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Length (10):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.0 metre (39 in)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprobe cable, intended for connection to a Proximitor sensor or extension cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProbe Penetration (078):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA penetration depth of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7.8 inches (198 mm)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einto the machine casing, allowing the probe tip to be accurately positioned relative to the target shaft.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting \u0026amp; Fittings (04\/02):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes a standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3\/4-14 NPT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emounting thread and includes a single 3\/4-14 NPT plug for sealing the housing conduit entry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHousing Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe aluminum or stainless steel housing protects the probe's delicate cable connection from moisture, oil, and mechanical damage common in industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e21000-30-10-00-078-04-02\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada (Baker Hughes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated Probe\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3300 XL 11 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProbe Cable Length\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.0 Metre\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePenetration Depth\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.8 Inches (198 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Thread\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3\/4-14 NPT\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFittings\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOne 3\/4-14 NPT plug\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMultiple (Hazardous Area Rated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.1 kg (Housing only)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy was the 21000-30 replaced by the 21000-29?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBently Nevada often updates part numbers to reflect changes in manufacturing processes or to consolidate global certifications. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e21000-29\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion typically provides identical mechanical fit and form but ensures compliance with current hazardous area directives and material standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the \"No Standoff Adapter\" (00) option?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"00\" option means the housing mounts directly to the machine casing or a threaded boss without an intermediate spacer. This is used when the 7.8-inch penetration depth is sufficient to reach the target without needing extra clearance for the housing body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a 3300 XL 8 mm probe in this housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis specific assembly is bored and tapped for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e11 mm probe\u003c\/strong\u003e. While the housing bodies look similar, the internal mounting and cable management are optimized for the 11 mm diameter probe head and its specific connector size.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGap Setting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBefore final tightening, use a voltmeter or a Bently Nevada TK-3 calibration tool to set the probe gap (typically -9.0 VDC for the 3300 XL 11 mm system). Accurate gapping is critical for linear measurement range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThread Sealing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse appropriate thread sealant on the 3\/4-14 NPT mounting threads to prevent oil leaks from the machine casing. Ensure the sealant is compatible with the machine's lubrication oil.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen installing the probe into the housing, ensure the cable is not twisted or pinched. Use the internal cable transition to provide strain relief for the 1.0-metre lead.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConduit Connection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways ensure the NPT plug or the connected conduit is tightened to maintain the NEMA 4X or IP66 rating of the housing, protecting the internal electronics from the elements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668324741483,"sku":"21000-30-10-00-078-04-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/21000-30-10-00-078-04-02-qj0rdtws4aq_5add2480-82d8-436b-b7ae-ebf593894399.jpg?v=1765521274","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-21000-30-10-00-078-04-02-proximity-probe-housing-assembly","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}