{"product_id":"bently-nevada-21000-34-00-15-050-04-02-proximity-probe-housing-assembly","title":"Bently Nevada 21000-34-00-15-050-04-02 Proximity Probe Housing Assembly","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen rotating machinery reliability is non-negotiable, the Bently Nevada 21000-34-00-15-050-04-02 delivers a robust mounting solution for proximity probes. This industrial automation module is part of the 21000 series of Proximity Probe Housing Assemblies, engineered to protect and position a 3300 XL 8 mm probe in demanding environments. The housing combines an aluminum body with a 304 stainless steel sleeve, providing durability and corrosion resistance. With CSA Type 4 enclosure certification and API 670 compliance, this unit is built for hazardous-area service.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eThe 21000-34-00-15-050-04-02 comes with precise configuration options that define its performance. Below are the key specifications:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\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\u003e3300 XL 8 mm probe with connector protector, selectable hazardous area approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Cable Length\u003c\/td\u003e\n\u003ctd\u003eProbe cable not required (00)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandoff Adapter\u003c\/td\u003e\n\u003ctd\u003e1.5 in (15)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Penetration\u003c\/td\u003e\n\u003ctd\u003e5 in (050)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Option\u003c\/td\u003e\n\u003ctd\u003eOne 3\/4-14 NPT plug only (04)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT (-02) – required when standoff adapter length is not -00\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\u003eProbe Cable Length\u003c\/td\u003e\n\u003ctd\u003e1.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum (C)+(D) with visible probe P\/N and S\/N\u003c\/td\u003e\n\u003ctd\u003e17.0 in (43.18 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum (C)+(D) Dimension\u003c\/td\u003e\n\u003ctd\u003e32.9 in (83.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (typical, without fittings)\u003c\/td\u003e\n\u003ctd\u003e1.1 kg (2.4 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThese specifications ensure that the 21000-34-00-15-050-04-02 meets the exact requirements for external mounting of proximity probes in industrial rotating equipment.\u003c\/p\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe 21000-34-00-15-050-04-02 is designed for vibration and displacement monitoring in critical machinery. Typical applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo-machinery:\u003c\/strong\u003e Compressors, turbines, and pumps where shaft vibration must be continuously monitored.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerators:\u003c\/strong\u003e Large electric generators that require reliable proximity probe mounting for bearing and shaft position sensing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous environments:\u003c\/strong\u003e Facilities with explosive atmospheres where the CSA explosion-proof rating is essential.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause it is fully compliant with API 670, this housing is a preferred choice for refineries and petrochemical plants that must adhere to international standards.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eProper installation is critical to ensure accurate readings. The 21000-34-00-15-050-04-02 includes a dome cover, threaded ports for conduit connections, a probe sleeve, O-rings, a reverse mount proximity probe, and a thread seal. Follow these guidelines:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMount the housing securely using the 3\/4-14 NPT mounting thread. Ensure the standoff adapter (1.5 in) is properly seated.\u003c\/li\u003e\n\u003cli\u003eRoute the probe cable (1.0 m) through the conduit ports, avoiding sharp bends that could damage the cable.\u003c\/li\u003e\n\u003cli\u003eVerify the probe penetration (5 in) matches the machine’s internal clearance. The maximum dimensions (C)+(D) must be respected to avoid interference.\u003c\/li\u003e\n\u003cli\u003eCheck that all O-rings are intact and the dome cover is tightened to maintain the enclosure’s explosion-proof rating.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRegular inspection of the 21000-34-00-15-050-04-02 ensures long-term reliability. Because the housing protects the probe in harsh conditions, periodic checks should include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVisual inspection for corrosion or physical damage, especially on the aluminum body and stainless steel sleeve.\u003c\/li\u003e\n\u003cli\u003eVerification that the dome cover and conduit fittings remain tight to preserve the CSA Type 4 rating.\u003c\/li\u003e\n\u003cli\u003eConfirmation that the probe cable is not chafed or pinched, which could lead to signal loss.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy following a routine maintenance schedule, you minimize unplanned downtime and extend the service life of both the housing and the probe.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eWhen ordering the 21000-34-00-15-050-04-02, verify that the suffix codes match your application requirements. The probe cable is not required (00), so you must supply a compatible cable if needed. The fitting option includes one 3\/4-14 NPT plug, which may be used to seal an unused port. Ensure the mounting thread option (-02) is selected, as it is mandatory unless the standoff adapter length is -00. For a seamless procurement experience, PLC Source PRO offers this unit as new and original in factory packing, backed by a 12-month warranty.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44439606034531,"sku":"21000-34-00-15-050-04-02","price":281.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/21000-34-10-20-058-04-02__E5_89_AF_E6_9C_AC_4d19c184-fcca-4183-876a-018507fb7d02.jpg?v=1785879339","url":"https:\/\/www.plcsourcepro.com\/ar\/products\/bently-nevada-21000-34-00-15-050-04-02-proximity-probe-housing-assembly","provider":"PLC Source PRO","version":"1.0","type":"link"}