{"product_id":"epro-a6220-mms-6000-dual-channel-shaft-eccentricity-monitor","title":"EPRO A6220 MMS 6000 Dual-Channel Shaft Eccentricity Monitor","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA6220\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEPRO\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(also known as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMMS 6220\u003c\/strong\u003e) is a precision dual-channel shaft eccentricity monitor within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMMS 6000 Series\u003c\/strong\u003e. It is designed for early detection of shaft bow or bending during startup and shutdown phases in large turbomachinery. By measuring radial displacement with high accuracy, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA6220\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures safe operation and protects critical machinery from bearing or seal contact caused by shaft eccentricity.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDual independent measurement channels for redundant or multi-point monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized for very low rotational speeds (0.017 Hz to 70 Hz \/ 1–4200 RPM)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePeak-to-peak shaft displacement measurement to quantify eccentricity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRun-up\/Run-down memory storing maximum shaft displacement for trend analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMicroprocessor-based signal conditioning and linearized output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContinuous sensor and cabling health monitoring with “OK Logic” relay\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRedundant power supply support for uninterrupted monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnalog 0\/4–20 mA outputs proportional to shaft displacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFront-panel SMB connectors for raw signal diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRS-232 and RS-485 digital communication interfaces for local and network integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLED indicators for “Run,” “Sensor OK,” and alarm\/trip status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eA6220 \/ MMS 6220\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eEddy Current Probes (PR6422, PR6423, PR6424 series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDual independent channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.017 Hz – 70 Hz (1–4200 RPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-1 V to -23 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e±1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0\/4–20 mA proportional to eccentricity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePulse\/Diagnostic Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFront-panel SMB buffered signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDigital Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRS-232 for local configuration, RS-485 for plant network integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e+24 V DC nominal, supports redundant power inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0°C to +65°C (+32°F to +150°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eMMS 6000 standard 19-inch rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eTurbine startup: Ensures shafts clear critical resonance speeds without internal contact\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTurning gear monitoring: Prevents thermal bow during slow shaft rotation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMachinery health diagnostics: Tracks long-term eccentricity trends to detect misalignment, sag, or deformation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSIL-rated safety monitoring environments for critical machinery\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\u003eQ: Why is shaft eccentricity monitoring critical?\u003c\/strong\u003e\u003cbr\u003eA: Eccentricity measures radial displacement caused by thermal sag or bow. High eccentricity at startup or high speed can damage bearings or seals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the A6220 monitor multiple shaft locations?\u003c\/strong\u003e\u003cbr\u003eA: Yes, dual channels allow independent monitoring at two locations or redundant measurements at a single location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does it prevent false alarms?\u003c\/strong\u003e\u003cbr\u003eA: Continuous sensor and cable monitoring (“OK Logic”) ensures alarms trigger only when true shaft issues are detected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it compatible with other MMS 6000 modules?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it integrates fully with MMS 6000 system racks and configuration software for centralized monitoring.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"EPRO","offers":[{"title":"Default Title","offer_id":44126922735715,"sku":"A6220","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/EPROA6220-3.jpg?v=1776656560","url":"https:\/\/precisemodule.com\/products\/epro-a6220-mms-6000-dual-channel-shaft-eccentricity-monitor","provider":"Precise Module Ltd.","version":"1.0","type":"link"}