{"product_id":"pr6423-001-121-emerson-epro-8mm-eddy-current-proximity-sensor","title":"PR6423\/001-121 Emerson EPRO | 8mm Eddy Current Proximity Sensor","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #003366;\"\u003eEmerson EPRO PR6423\/001-121\u003c\/strong\u003e is an 8mm non-contact eddy current proximity sensor engineered for critical turbomachinery protection and vibration monitoring. Designed to measure dynamic radial and axial shaft displacement, position, eccentricity, and rotational speed, it is widely deployed on steam, gas, and hydro turbines, as well as heavy industrial compressors, gearboxes, pumps, and fans. Featuring an \u003cstrong\u003eM10x1 threaded case (35mm length)\u003c\/strong\u003e, a \u003cstrong\u003e5.0-meter unarmored PTFE cable\u003c\/strong\u003e with open wire ends, and an IP66-rated stainless steel body, the PR6423\/001-121 delivers precise, high-reliability measurements in harsh industrial environments.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #003366; color: white;\"\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eProduct Catalog Number\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e\u003cstrong\u003ePR6423\/001-121\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eManufacturer \/ Product Family\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eEmerson EPRO \/ PR6423 Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eSensor Tip Diameter \u0026amp; Case Thread\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e8 mm Tip Diameter | M10x1 Case Threads\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eCase Length (Option A)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e35 mm (A = 1)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eAdapter Plug (Option B)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eWithout Adapter Plug (B = 1)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eCable Length \u0026amp; Armor (Option C)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e5.0 meters (C = 2) | Unarmored Cable\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eCable End Termination (Option D)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eOpen Wire End (D = 1)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eLinear Measurement Range\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e2 mm (80 mils) | Initial Air Gap: 0.5 mm (20 mils)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eIncremental Scale Factor (ISF)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e8 V\/mm (203.2 mV\/mil) ± 5% (0 to 45°C)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eDeviation from Straight Line (DSL)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e± 0.025 mm (± 1 mil) (0 to 45°C)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eTarget Material \u0026amp; Min. Shaft Dia.\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e42CrMo4 (AISI\/SAE 4140) Ferromagnetic Steel | Min. Shaft Dia. 25 mm (0.79\")\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eEnclosure Rating \u0026amp; Construction Materials\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eIP66 (IEC 60529) | PEEK Tip, Stainless Steel Case, PTFE Cable\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eOperating Temperature Range\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eSensor \u0026amp; 1m Cable: -35 to +180°C | Cable \u0026amp; Connector: -35 to +150°C\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eHazardous Area Certifications\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eATEX, IEC-Ex, CSA (Intrinsic Safety 'ia' \u0026amp; Non-sparking 'nA')\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eApproximate Product Weight\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e\n\u003cstrong\u003e100 grams (3.53 oz)\u003c\/strong\u003e (Sensor with 1m cable base)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Hardware \u0026amp; Operational Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurbomachinery Condition Monitoring:\u003c\/strong\u003e Delivers continuous, high-precision measurement of radial vibration, axial thrust position, phase reference (keyphasor), and eccentricity across critical rotating assets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Industrial Construction:\u003c\/strong\u003e Built with a chemical-resistant PEEK sensor tip, stainless steel threaded body, and high-temperature PTFE cable insulation rated up to 180°C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigured Ordering Options:\u003c\/strong\u003e Features the PR6423 standard configuration with a 35mm case length, unarmored 5.0m integral cable, and open lead wire terminations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHazardous Location Compliance:\u003c\/strong\u003e Fully certified under ATEX, IECEx, and CSA standards for Intrinsic Safety (ia) and Non-sparking (nA) environments (T6\/T4\/T3 thermal classes).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Field Wiring Guidelines\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. Sensor Mounting:\u003c\/strong\u003e Thread the M10x1 body into the bracket and set a 0.5 mm air gap facing a 42CrMo4 steel shaft (min. 25 mm dia.).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e2. Field Wiring:\u003c\/strong\u003e Route the 5.0m PTFE cable away from high noise lines and connect open ends directly to the signal transmitter terminals.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: What is the linear range of PR6423\/001-121?\u003c\/strong\u003e\u003cbr\u003e\nA1: It features a 2 mm (80 mils) linear range with an 8 V\/mm (203.2 mV\/mil) scale factor.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: What cable options does PR6423\/001-121 feature?\u003c\/strong\u003e\u003cbr\u003e\nA2: It includes a 5.0m unarmored PTFE cable with open wire ends and no adapter plug.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: What certifications apply to PR6423\/001-121?\u003c\/strong\u003e\u003cbr\u003e\nA3: It carries ATEX, IECEx, and CSA approvals for Intrinsic Safety and Non-sparking areas.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":52653299695748,"sku":"PR6423\/001-121","price":176.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/PR6423_001-121-2.jpg?v=1786975266","url":"https:\/\/www.etowonauto.com\/pl\/products\/pr6423-001-121-emerson-epro-8mm-eddy-current-proximity-sensor","provider":"Etowon Auto","version":"1.0","type":"link"}