{"product_id":"19056-36-bently-nevada-radiation-resistant-proximity-probe-in-stock","title":"19056-36 Bently Nevada Radiation Resistant Proximity Probe In Stock","description":"\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e19056-36\u003c\/span\u003e\u003c\/b\u003e is a specialized reverse-mount radiation-resistant proximity probe manufactured by \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/b\u003e. Engineed specifically for high-radiation, high-temperature industrial environments such as nuclear power generation and radiation-exposed turbo-machinery, this non-contact eddy current sensor measures shaft displacement, axial position, and dynamic vibration under severe operational constraints.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing an anhydride-cured fiberglass-reinforced epoxy probe tip and a 300-series stainless steel body (3\/8-24 UNF threads), the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e19056-36\u003c\/span\u003e\u003c\/b\u003e delivers long-term insulation stability where standard PPS probe tips degrade. Coupled with Tefzel-insulated 85 Ω coaxial cabling, it provides reliable signal transmission across harsh environment envelopes.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eConfiguration Breakdown\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePart number coding structure for the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e19056-36\u003c\/span\u003e\u003c\/b\u003e radiation-resistant probe assembly:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003e19056\u003c\/b\u003e — Radiation Resistant Reverse Mount Proximity Probe Assembly (0.420-inch tip diameter, 3\/8-24 UNF casing thread)\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cb\u003e-36 Total Electrical Length Option (A Dim):\u003c\/b\u003e 36 inches (0.91 meter) integrated coaxial cable length\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\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;\"\u003eEngineering Parameter\u003c\/th\u003e\n      \u003cth style=\"text-align: left;\"\u003eOperational Specification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eBrand \u0026amp; Manufacturer\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003eBently Nevada\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eModel Designation\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e19056-36\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eSensor Technology\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003eReverse Mount Radiation Resistant Non-Contact Eddy Current Probe\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eProbe Tip Diameter \u0026amp; Thread\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.420 inch tip diameter \/ 3\/8-24 UNF process mounting thread\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eIntegrated Cable Reach\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e36 inches (0.91 meter) total electrical cable length\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eCoaxial Cable Construction\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e85 Ω impedance, radiation-resistant Tefzel insulation sheath\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eNominal DC Resistance (0.420 probe)\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e2.5 Ω + 0.410 Ω\/m (0.125 Ω\/ft) nominal loop resistance\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eProbe Tip Material\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003eAnhydride-cured fiberglass-reinforced epoxy resin\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eProbe Case Material\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e300 Series Stainless Steel\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eMaximum Thread Engagement\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.563 inches (14.3 mm) maximum thread length\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eOperating Power Requirements\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e-17.5 Vdc to -26 Vdc (18 mA max consumption); -23.5 Vdc or more negative for full linear range\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eOutput Dynamic Resistance\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e50 Ω nominal output impedance\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eOperating Temperature Range\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e-29°C to +150°C (-20°F to +302°F) continuous thermal limits\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cb\u003eInstallation \u0026amp; Mounting Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eReverse Mounting Hole Preparation:\u003c\/b\u003e Verify 3\/8-24 UNF internal mounting threads are clean, dry, and burr-free prior to inserting the probe body from the internal wall side.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eThread Engagement Depth:\u003c\/b\u003e Do not exceed the maximum 0.563-inch thread engagement depth limit to avoid body strain or tip alignment distortion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eTorque Limit Setting:\u003c\/b\u003e Tighten the 300-series stainless steel probe casing to a maximum torque of 33.9 N·m (300 in·lb) using a calibrated torque wrench.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCable Bend Radius:\u003c\/b\u003e Maintain a minimum coaxial cable bend radius of 25.4 mm (1.0 inch) during routing through conduit runs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eSupply Voltage Threshold:\u003c\/b\u003e Ensure driver\/Proximitor input power remains below -23.5 Vdc (e.g., -24 Vdc nominal) to avoid dynamic range clamping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eField Inspection \u0026amp; Maintenance Procedures\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eDC Resistance Loop Check:\u003c\/b\u003e Measure DC resistance across the coaxial pin and shield; verify reading conforms to the 2.5 Ω + 0.410 Ω\/m formula based on total cable length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eRadiation Degradation Visual Audit:\u003c\/b\u003e Periodically inspect the anhydride-cured epoxy tip for surface discoloration, micro-cracking, or thermal blistering during scheduled outages.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eConnector Cleanliness:\u003c\/b\u003e Clean coaxial connector interfaces with electronic contact cleaner to eliminate metallic dusting and cross-contamination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eSystem Compatibility \u0026amp; Signal Wiring\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e19056-36\u003c\/span\u003e\u003c\/b\u003e interfaces with radiation-hardened Proximitor sensors and extension cables. Signal lines route through 3-conductor shielded cabling (16 to 24 AWG) to Bently Nevada 3500 monitoring racks or nuclear-certified field signal conditioners over distances up to 305 meters (1,000 feet).\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003ePackaging \u0026amp; Commercial Terms\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eProduct Condition:\u003c\/b\u003e 100% Factory New \u0026amp; Original in original manufacturer packaging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eFactory Warranty:\u003c\/b\u003e Includes 12-Month full manufacturer defect warranty.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eLogistics Partners:\u003c\/b\u003e Priority express dispatch via FedEx, UPS, or DHL.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eHandling Lead Time:\u003c\/b\u003e Standard processing and dispatch within 24 to 48 hours following confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eIndustrial Applications \u0026amp; Application Scenarios\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePlant automation engineers deploy the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e19056-36\u003c\/span\u003e\u003c\/b\u003e across critical nuclear and extreme-environment rotating machinery assets:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eNuclear Reactor Coolant Pumps (RCP):\u003c\/b\u003e Continuous non-contact radial shaft vibration tracking inside containment buildings subjected to ionizing gamma radiation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eNuclear Feedwater Turbines:\u003c\/b\u003e Real-time thrust axial position monitoring in high-dose primary loop areas.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eRadiation Shielded Compressors:\u003c\/b\u003e Shaft orbit and speed pulse detection where standard polymer components embrittle and fail under exposure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eSpecialized Industrial Accelerators:\u003c\/b\u003e Precision distance measurement near high-energy radiation sources and high-temperature vacuum chambers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eStandard proximity probes using polyphenylene sulfide (PPS) tips rapidly embrittle and develop micro-fractures when exposed to continuous gamma radiation or neutron flux, causing oil ingress and coil shorting. The \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e19056-36\u003c\/span\u003e\u003c\/b\u003e addresses this specific failure mode by using an anhydride-cured fiberglass-reinforced epoxy tip and Tefzel coaxial jacketing capable of absorbing significant cumulative radiation doses without structural breakdown.\u003c\/p\u003e\n\n\u003cp\u003eDuring a containment overhaul project at a power generation facility, maintenance engineers replaced failing standard probes that suffered from insulation resistance drift. Installing \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e19056-36\u003c\/span\u003e\u003c\/b\u003e units restored stable baseline DC gap voltages (-9 Vdc) and eliminated zero-point drift. Always confirm that mounting torque stays within the 33.9 N·m limit to avoid crushing internal body threads.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions (FAQ)\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What mechanical feature differentiates a reverse-mount probe from a standard front-mount proximity probe?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Reverse-mount probes insert through the internal wall of a machine casing boss rather than from the outside, allowing the probe cable to exit backwards through narrow internal access channels.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Why is anhydride-cured epoxy used for the tip instead of standard PPS thermoplastic?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Anhydride-cured epoxy maintains structural polymer stability and electrical insulation properties under intense ionizing radiation, whereas standard PPS plastic suffers molecular degradation and cracking.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What occurs if the supply voltage operates at -20 VDC instead of -24 VDC?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Operating more positive than -23.5 Vdc restricts the transducer linear range, causing premature signal saturation at higher dynamic vibration amplitudes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: How do I calculate expected nominal DC resistance for a 36-inch (0.91m) cable on this model?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Use the 0.420 probe formula: 2.5 Ω + (0.410 Ω\/m × 0.91m) = approximately 2.87 Ω nominal loop resistance at ambient room temperature.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: How do I select between different electrical length options when replacing radiation-resistant probes in tight enclosures?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Measure the distance from the internal mounting boss to the containment junction box; choose an electrical length option (such as 36 inches) that allows direct connection to the extension cable without coiling excess Tefzel wire inside radiation-exposed areas.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45411181035702,"sku":"19056-36","price":103.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330101-00-10-10-12-05_c1bb8bc5-60a4-4330-a6cb-526c413c8113.jpg?v=1788771077","url":"https:\/\/www.plcsparehub.com\/products\/19056-36-bently-nevada-radiation-resistant-proximity-probe-in-stock","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}