{"product_id":"21000-16-10-15-092-03-02-bently-nevada-proximity-probe-assembly","title":"21000-16-10-15-092-03-02 Bently Nevada Proximity Probe Assembly","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e21000-16-10-15-092-03-02\u003c\/strong\u003e is an API 670 compliant, explosion-proof proximity probe housing assembly engineered by Bently Nevada for heavy industrial machinery monitoring. Constructed with a chromate-treated die-cast aluminum body and a 304 stainless steel probe sleeve, this housing isolates reverse-mount 3300 XL 8 mm proximity transducers from extreme ambient contaminants, mechanical impacts, and corrosive atmospheres.\u003c\/p\u003e\n\u003cp\u003eConfigured with a 1.5-inch standoff adapter and a 9.2-inch sleeve penetration, the \u003cstrong\u003e21000-16-10-15-092-03-02\u003c\/strong\u003e provides adjustable probe positioning for shaft vibration, axial thrust, and speed measurements on critical rotating equipment. It holds CSA Type 4 ratings and intrinsically safe approvals for Class I, Division 1 and 2 hazardous areas.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Breakdown: 21000-16-10-15-092-03-02\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Housing Model:\u003c\/strong\u003e 21000 — Aluminum Body with 304 Stainless Steel Sleeve\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e[16] Probe Option:\u003c\/strong\u003e 3300 XL 8 mm Reverse Mount Proximity Probe\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e[10] Probe Cable Length Option:\u003c\/strong\u003e 1.0 meter (39 inches) Miniature Coaxial Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e[15] Standoff Adapter Option:\u003c\/strong\u003e 1.5 inches (38 mm) Standoff Adapter Installed\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e[092] Probe Penetration Depth (D):\u003c\/strong\u003e 9.2 inches (233.7 mm) Sleeve Length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e[03] Fittings Option:\u003c\/strong\u003e One 3\/4-14 NPT Plug, One 3\/4 to 1\/2 NPT Reducer \u0026amp; Cable Seal Grip\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e[02] Mounting Thread Option:\u003c\/strong\u003e 3\/4-14 NPT Process Connection Thread\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Specifications \u0026amp; Design Limits\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #0056b3; color: #ffffff;\"\u003e\n\u003cth style=\"text-align: left; width: 35%;\"\u003eEngineering Attribute\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 65%;\"\u003eDesign Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer \u0026amp; Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 21000 Series API 670 Transducer Enclosures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21000-16-10-15-092-03-02\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Body \/ Sleeve\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChromate-coated Aluminum Body \/ 304 Stainless Steel Sleeve Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Transducer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8 mm Reverse Mount Eddy Current Proximity Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntegrated Cable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0 Meter (39 Inches) Coaxial Cable with ClickLoc Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandoff Adapter Length (C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 Inches (38.1 mm) External Offset Extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSleeve Penetration Depth (D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.2 Inches (233.7 mm) Internal Reach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Combined (C) + (D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 32.9 Inches (83.5 cm) Maximum Dimension Capability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitting Hardware Set\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x 3\/4-14 NPT Plug, 1 x 3\/4-to-1\/2 NPT Reducer, 1 x Cable Grip with Multi-Grommets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcess Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT External Process Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.1 kg (2.4 lbs) Typical (Excluding External Conduit Fittings)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCSA Type 4 \/ Weatherproof Sealed Enclosure (IP66 Equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHazardous Area Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass I Div 1\/2 Groups C, D; Class II Div 1\/2 Groups E, F, G; Class III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Classification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eT5 @ Ta = -50°C to +40°C; T4 @ Ta = -50°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRegulatory Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAPI 670 Standard 5th Edition; FCC Part 15 Subpart B; RoHS Directive 2011\/65\/EU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCross-Model Specification Comparison \u0026amp; Selection Analysis\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"text-align: left; width: 25%;\"\u003eConfiguration Parameter\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 37.5%;\"\u003eCurrent Model: 21000-16-10-15-092-03-02\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 37.5%;\"\u003eAlternate Option: \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21000-16-10-00-037-03-02-bently-nevada-3300-xl-proximity-probe-housing-assembly\" target=\"_blank\"\u003e21000-16-10-00-037-03-02\u003c\/a\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Probe Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8 mm Reverse Mount Probe (Option 16)\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8 mm Reverse Mount Probe (Option 16)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Cable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0 Meter (39 Inches) Coaxial Cable (Option 10)\u003c\/td\u003e\n\u003ctd\u003e1.0 Meter (39 Inches) Coaxial Cable (Option 10)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandoff Adapter Length (C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 Inches (38.1 mm) Standoff Adapter (Option 15)\u003c\/td\u003e\n\u003ctd\u003eNo Standoff Adapter \/ Direct NPT Mount (Option 00)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePenetration Depth (D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.2 Inches (233.7 mm) Sleeve Penetration\u003c\/td\u003e\n\u003ctd\u003e3.7 Inches (94.0 mm) Sleeve Penetration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConduit Fitting Package\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Fitting Kit with Reducer \u0026amp; Cable Grip (Option 03)\u003c\/td\u003e\n\u003ctd\u003eFull Fitting Kit with Reducer \u0026amp; Cable Grip (Option 03)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Process Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT External Process Thread (Option 02)\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT External Process Thread (Option 02)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSelection Engineering Guidance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Penetration vs External Clearance:\u003c\/strong\u003e Choose based on machine casing depth. The 9.2-inch sleeve (092) reaches deep-set shaft bearing journals, while the 1.5-inch standoff (15) elevates the outer junction box away from extreme casing temperatures. For shallow taps with tight external spatial clearances, opt for direct-mount models like the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21000-16-10-00-037-03-02-bently-nevada-3300-xl-proximity-probe-housing-assembly\" target=\"_blank\"\u003e21000-16-10-00-037-03-02\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Cable Routing:\u003c\/strong\u003e The 1.0-meter probe cable (Option 10) provides ample slack inside the housing dome, preventing coaxial tension damage when adjusting probe penetration depths or servicing ClickLoc terminal connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Machinery \u0026amp; Industrial Application Environments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI 617 Centrifugal Compressors:\u003c\/strong\u003e Radial shaft position and relative vibration measurement on multi-stage gas reinjection units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombined Cycle Steam Turbines:\u003c\/strong\u003e Differential expansion and axial thrust rotor monitoring operating in Class I, Div 1 zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Industrial Gearboxes:\u003c\/strong\u003e High-speed shaft dynamic motion tracking subject to high oil spray and thermal expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForced Draft Fans \u0026amp; Blowers:\u003c\/strong\u003e Continuous machinery condition surveillance integrated into 3500 Series racks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Features \u0026amp; Mechanical Integrity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSealed internal sleeve arrangement prevents process gas or lubricating oil migration through the conduit boundary.\u003c\/li\u003e\n\u003cli\u003eThreaded sleeve lock nut mechanism enables fine mechanical positioning to set precise -9.00 VDC baseline gap settings.\u003c\/li\u003e\n\u003cli\u003eIntegrated cable seal grip kit with interchangeable grommets accommodates 1\/8 to 3\/8-inch field cable diameters without compromising the CSA Type 4 seal.\u003c\/li\u003e\n\u003cli\u003eEnables online gap measurement and signal verification using standard digital multimeters connected to target Proximitor terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eIn deep sleeve installations involving 9.2-inch penetrations paired with 1.5-inch standoff adapters, thermal expansion along the sleeve length can cause baseline DC voltage drift if installed incorrectly. A common field issue occurs when technicians tighten the sleeve lock nut before the machine reaches thermal equilibrium, causing false thrust position displacement alarms as the machine shell heats up.\u003c\/p\u003e\n\u003cp\u003eDuring a turnaround at a gas processing plant, vibration channels on a \u003cstrong\u003e21000-16-10-15-092-03-02\u003c\/strong\u003e housing exhibited baseline drift shortly after startup. Diagnostic checks showed that heat conduction from the compressor casing caused the 304 stainless steel sleeve to expand against a dry, unlubricated O-ring seal, binding the sleeve assembly. Applying high-temperature fluorosilicone grease to the O-ring seals and pre-adjusting the cold gap setting to offset calculated thermal growth stabilized the signal, maintaining consistent -9.00 VDC bias throughout continuous operation.\u003c\/p\u003e\n\u003ch3\u003eLogistics, Packaging \u0026amp; Warranty Policy\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Condition:\u003c\/strong\u003e Supplied as 100% genuine Bently Nevada hardware, new and original in factory packing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Terms:\u003c\/strong\u003e Covered by a full 12-month factory-grade replacement warranty starting from dispatch date.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorldwide Delivery:\u003c\/strong\u003e Expedited express shipping provided via FedEx, UPS, and DHL Express.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarehouse Processing:\u003c\/strong\u003e Standard inventory dispatch processed within 24 to 48 hours following order confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Selection FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the 1.5-inch standoff adapter on this housing model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe standoff adapter moves the housing body and conduit connection points 1.5 inches outward from the machine casing, providing clearance around thermal insulation jackets and protecting cable terminations from direct casing heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the correct grommet selected from the included Option 03 cable seal grip kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMeasure the outer diameter of your field extension cable with calipers and match it to one of the three included rubber grommets (1\/8-3\/16\", 1\/4-5\/16\", or 5\/16-3\/8\") to ensure an airtight, IP66-rated cable seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1.0-meter internal probe cable be plugged directly into a 3500 monitor module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the 1.0-meter coaxial cable must connect to a matching 3300 XL extension cable and Proximitor sensor inside a field junction box. The total system length (e.g., 5m or 9m) must match the Proximitor calibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does an engineer adjust the baseline probe gap once the housing is mounted on the machine tap?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnscrew the outer aluminum dome cover, loosen the internal sleeve lock nut, and rotate the sleeve assembly manually while checking the Proximitor output voltage until the standard -9.00 VDC baseline gap is achieved.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance check is required for the internal O-ring seals during annual outages?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInspect all housing body and sleeve O-rings for cracking or compression set. Replace damaged seals and apply a light coat of silicone lubricant to preserve CSA Type 4 weatherproof integrity before re-securing the dome cover.\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":45013973794998,"sku":"21000-16-10-15-092-03-02","price":206.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000-28-05-20-051-04-02_46027704-565c-4cf0-9dac-7b749ed5ce55.jpg?v=1788427967","url":"https:\/\/www.plcsparehub.com\/products\/21000-16-10-15-092-03-02-bently-nevada-proximity-probe-assembly","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}