{"product_id":"epro-pr9268-302-seismic-velocity-vibration-sensor","title":"Epro PR9268\/302 Seismic Velocity Vibration Sensor","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePR9268\/302\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a seismic velocity vibration sensor developed by Epro (Emerson) for direct measurement of absolute bearing vibration in rotating machinery. It operates on electrodynamic principles, converting mechanical motion at the bearing housing into an electrical signal proportional to vibration velocity.\u003c\/p\u003e\n\u003cp\u003eThis sensor is commonly used as a primary input device in machinery protection and condition monitoring systems for turbines, compressors, pumps, and industrial fans.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eMeasurement Principle\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe device functions as a self-generating velocity transducer. Internal coil and magnetic structures produce a voltage signal proportional to housing vibration velocity. Because it is seismic in design, it measures absolute vibration at the mounting point rather than shaft relative motion.\u003c\/p\u003e\n\u003cp\u003eThis makes it suitable for applications where bearing housing condition is the primary diagnostic parameter.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eModel:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePR9268\/302\u003c\/strong\u003e\u003cbr\u003eManufacturer: Epro (Emerson)\u003cbr\u003eProduct Type: Seismic Vibration Sensor \/ Velocity Transducer\u003c\/p\u003e\n\u003cp\u003eMeasurement Type: Absolute bearing vibration (velocity)\u003cbr\u003eOperating Principle: Electrodynamic induction\u003c\/p\u003e\n\u003cp\u003eFrequency Response: Approximately 10 Hz to 1,000 Hz (typical for PR9268 series)\u003cbr\u003eOutput Signal: Analog voltage proportional to vibration velocity\u003c\/p\u003e\n\u003cp\u003eSensitivity: Factory-calibrated depending on configuration variant\u003cbr\u003eShock Resistance: Up to 20 g\u003c\/p\u003e\n\u003cp\u003eMounting Method: Rigid installation on bearing housing or machine frame\u003cbr\u003eConnector Type: Industrial-grade connector (variant dependent)\u003c\/p\u003e\n\u003cp\u003eOperating Environment:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHigh vibration resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh temperature industrial conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEMI-resistant design for industrial environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSystem Compatibility:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Epro monitoring modules such as MMS3120 and MMA3120 series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect integration into vibration protection systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Engineering Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSelf-powered electrodynamic measurement principle (no external excitation required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect measurement of bearing housing vibration for reliable condition assessment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable output signal across wide operational frequency range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRugged construction for continuous industrial operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for long-term installation in harsh mechanical environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for integration with standardized vibration monitoring platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSteam and gas turbines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHydro power generation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCentrifugal and reciprocating compressors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial pump and motor systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCooling fans and auxiliary rotating equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCondition monitoring and predictive maintenance systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of vibration does this sensor measure?\u003c\/strong\u003e\u003cbr\u003eIt measures absolute vibration at the bearing housing using velocity-based seismic sensing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require external power?\u003c\/strong\u003e\u003cbr\u003eNo, it is a self-generating electrodynamic sensor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for shaft vibration measurement?\u003c\/strong\u003e\u003cbr\u003eNo, it is designed for bearing housing vibration rather than shaft-relative displacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat systems can it connect to?\u003c\/strong\u003e\u003cbr\u003eIt is compatible with Epro MMS and MMA monitoring modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it operate in harsh environments?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed for high vibration, temperature, and industrial EMI conditions.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43242844618842,"sku":"PR9268\/302","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/CON021_PR6424010-100_cf8f4a00-eaae-4c04-a3e0-9c730261a085.jpg?v=1776676106","url":"https:\/\/www.plcmasters.com\/es\/products\/epro-pr9268-302-seismic-velocity-vibration-sensor","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}