{"product_id":"bently-nevada-21000-16-05-00-055-03-02-proximity-probe-housing-assembly","title":"Bently Nevada 21000-16-05-00-055-03-02 Proximity Probe Housing Assembly","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen rotating machinery in critical service begins to show abnormal vibration, the Bently Nevada 21000-16-05-00-055-03-02 proximity probe housing assembly provides the reliable mounting solution you need for accurate, repeatable measurements. This industrial automation module is engineered to protect and position a 3300 XL 8 mm probe, ensuring consistent proximity sensing in demanding environments.\u003c\/p\u003e\u003cp\u003eThe 21000-16-05-00-055-03-02 is a new, factory-packed unit with a 12-month warranty. Its aluminum body with a 304 stainless steel sleeve offers corrosion resistance and structural integrity, making it a trusted choice for permanent installation on compressors, pumps, turbines, and other rotating equipment.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eThis housing assembly is configured with a specific set of options that determine its fit and function. The following table details the exact specifications for the 21000-16-05-00-055-03-02:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Option\u003c\/td\u003e\n\u003ctd\u003e16 = 3300 XL 8 mm probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Cable Length\u003c\/td\u003e\n\u003ctd\u003e05 = 0.5 m (20 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandoff Adapter\u003c\/td\u003e\n\u003ctd\u003e00 = No standoff adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Penetration\u003c\/td\u003e\n\u003ctd\u003e-055 = 5.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Option\u003c\/td\u003e\n\u003ctd\u003e03 = One 3\/4-14 NPT plug; one 3\/4-14 to 1\/2-14 NPT reducer; one cable seal grip with grommets for cable sizes 1\/8 to 3\/16 in, 1\/4 to 5\/16 in, 5\/16 to 3\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003e-02 = 3\/4-14 NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminum body with 304 stainless steel sleeve\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 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.1 kg (2.4 lb) typical, without fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe 0.5 m probe cable provides a short lead for close-coupled installations, while the 5.5-inch probe penetration ensures proper insertion depth for accurate gap measurement. The 3\/4-14 NPT mounting thread is mandatory when no standoff adapter is used, as it secures the housing directly to the machine case.\u003c\/p\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe 21000-16-05-00-055-03-02 is designed for externally mounted proximity probes in critical rotating machinery. Typical applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo-machinery monitoring:\u003c\/strong\u003e Compressors and steam turbines where continuous vibration and axial position monitoring are essential for safe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePumps and motors:\u003c\/strong\u003e Large industrial pumps and electric motors that require reliable shaft vibration measurement to detect early bearing wear or misalignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerators and gearboxes:\u003c\/strong\u003e Power generation equipment where unplanned downtime is extremely costly; the robust housing protects the probe from environmental contaminants.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause the 21000-16-05-00-055-03-02 is certified as a CSA Type 4 enclosure and compliant with API 670, it is suitable for hazardous areas when paired with intrinsically safe proximity probes. This makes it a preferred choice in oil and gas, chemical, and power generation facilities.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eProper installation is critical for accurate vibration readings. Follow these guidelines when mounting the 21000-16-05-00-055-03-02:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVerify that the machine case has a 3\/4-14 NPT threaded port. If a standoff adapter is required, select the appropriate length; for this model, no standoff adapter is used.\u003c\/li\u003e\n\u003cli\u003eInsert the housing into the port and tighten securely, ensuring the probe face is positioned at the correct gap per the manufacturer's recommendation.\u003c\/li\u003e\n\u003cli\u003eRoute the probe cable through the cable seal grip, selecting the correct grommet for your cable diameter (1\/8 to 3\/16 in, 1\/4 to 5\/16 in, or 5\/16 to 3\/8 in).\u003c\/li\u003e\n\u003cli\u003eConnect the probe cable to the extension cable or monitor. Ensure the connector is clean and tightly engaged.\u003c\/li\u003e\n\u003cli\u003eDo not overtighten the dome cover; hand-tighten plus a quarter turn is usually sufficient.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor hazardous area installations, follow all local electrical codes and use approved conduit seals as required.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRoutine inspection of the 21000-16-05-00-055-03-02 is minimal but important. Periodically check for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLoose fittings or dome cover that could allow moisture ingress.\u003c\/li\u003e\n\u003cli\u003eDamage to the cable or connector.\u003c\/li\u003e\n\u003cli\u003eAccumulation of dirt or debris around the probe tip.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe aluminum body and stainless steel sleeve resist corrosion, extending service life in harsh industrial environments. With proper care, this housing assembly provides years of reliable service, reducing the total cost of ownership compared to frequent replacements.\u003c\/p\u003e\u003ch2\u003eSelection Guide\u003c\/h2\u003e\u003cp\u003eWhen ordering a replacement or spare, verify that the suffix codes match your requirements. The 21000-16-05-00-055-03-02 is configured for a 3300 XL 8 mm probe with a 0.5 m cable and no standoff adapter. If your application requires a different probe length or cable length, consult the Bently Nevada ordering guide.\u003c\/p\u003e\u003cp\u003eFor genuine, factory-new parts, PLC Source PRO offers the 21000-16-05-00-055-03-02 with a 12-month warranty. Ensure your system stays online with authentic components from a trusted supplier.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44439183261795,"sku":"21000-16-05-00-055-03-02","price":263.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/21000-16-05-00-039-03-02_ed4f8ef5-b4aa-4c77-baa4-b9e38fc87fad.jpg?v=1785862231","url":"https:\/\/www.plcsourcepro.com\/products\/bently-nevada-21000-16-05-00-055-03-02-proximity-probe-housing-assembly","provider":"PLC Source PRO","version":"1.0","type":"link"}