{"product_id":"keyence-fu-61-fiber-optic-sensor","title":"Keyence FU-61 Fiber Optic Sensor Fiber Unit","description":"\u003cstyle\u003e\n.nxs-industrial-product-page {\n--industrial-navy: #082f49;\n    --industrial-blue: #0b4f7c;\n    --industrial-blue-2: #0f6ea8;\n    --industrial-blue-3: #1784c1;\n    --industrial-cyan: #38bdf8;\n    --steel-blue: #dcebf5;\n    --steel-blue-2: #edf6fb;\n    --steel-line: #c9dce9;\n    --surface: #ffffff;\n    --surface-soft: #f7fbfe;\n    --text-main: #173042;\n    --text-muted: #5e7382;\n    --shadow-soft: 0 10px 30px rgba(8, 47, 73, 0.08);\n    --shadow-hover: 0 16px 36px rgba(8, 79, 124, 0.15);\n    --radius-lg: 14px;\n    --radius-md: 10px;\n}\n\n.nxs-industrial-product-page, .nxs-industrial-product-page * {\nmargin: 0;\n    padding: 0;\n    box-sizing: border-box;\n    font-family: Arial, Helvetica, sans-serif;\n}\n\n.nxs-industrial-product-page {\nbackground-color: #f3f8fb;\n    background-image:\n        linear-gradient(180deg, #eef6fb 0, 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top: 0;\n    width: 5px;\n    height: 100%;\n    background: linear-gradient(180deg, var(--industrial-blue-3), var(--industrial-blue));\n}\n\n.nxs-industrial-product-page .section h2 {\nposition: relative;\n    display: inline-flex;\n    align-items: center;\n    gap: 10px;\n    font-size: 25px;\n    line-height: 1.3;\n    color: var(--industrial-navy);\n    margin-bottom: 24px;\n    letter-spacing: -0.2px;\n}\n\n.nxs-industrial-product-page .section h2::before {\ncontent: \"\";\n    width: 28px;\n    height: 4px;\n    flex: 0 0 28px;\n    border-radius: 999px;\n    background: linear-gradient(90deg, var(--industrial-blue-2), var(--industrial-cyan));\n}\n\n.nxs-industrial-product-page .section p {\ncolor: var(--text-main);\n}\n\n.nxs-industrial-product-page .spec-table {\nwidth: 100%;\n    border-collapse: separate;\n    border-spacing: 0;\n    overflow: hidden;\n    border: 1px solid var(--steel-line);\n    border-radius: var(--radius-md);\n    background: #fff;\n}\n\n.nxs-industrial-product-page .spec-table tr {\ntransition: background-color 0.2s ease, transform 0.2s ease;\n}\n\n.nxs-industrial-product-page .spec-table tr:nth-child(even) {\nbackground: #f7fbfe;\n}\n\n.nxs-industrial-product-page .spec-table tr:hover {\nbackground: #eaf5fb;\n}\n\n.nxs-industrial-product-page .spec-table td {\npadding: 13px 16px;\n    border-bottom: 1px solid #dbe7ef;\n    vertical-align: top;\n    color: #294658;\n}\n\n.nxs-industrial-product-page .spec-table tr:last-child td {\nborder-bottom: none;\n}\n\n.nxs-industrial-product-page .spec-table td:first-child {\nposition: relative;\n    width: 38%;\n    font-weight: 700;\n    color: #0b456d;\n    background: rgba(220, 235, 245, 0.42);\n}\n\n.nxs-industrial-product-page .spec-table td:first-child::after {\ncontent: \"\";\n    position: absolute;\n    top: 22%;\n    right: 0;\n    width: 1px;\n    height: 56%;\n    background: #c7dce9;\n}\n\n.nxs-industrial-product-page .features {\ndisplay: grid;\n    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inline-block;\n    color: #0b456d;\n    margin-bottom: 5px;\n    line-height: 1.4;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e br {\ndisplay: block;\n    content: \"\";\n    margin: 10px 0;\n}\n\n@media (max-width: 760px) {\n.nxs-industrial-product-page .container {\nwidth: 100%;\n        padding: 0 12px 24px;\n}\n\n.nxs-industrial-product-page .section {\npadding: 26px 17px 24px;\n        margin: 14px auto;\n        border-radius: 11px;\n}\n\n.nxs-industrial-product-page .section::before {\nwidth: 4px;\n}\n\n.nxs-industrial-product-page .section h2 {\nfont-size: 21px;\n        margin-bottom: 18px;\n}\n\n.nxs-industrial-product-page .section h2::before {\nwidth: 20px;\n        flex-basis: 20px;\n}\n\n.nxs-industrial-product-page .spec-table {\ndisplay: table;\n        table-layout: fixed;\n}\n\n.nxs-industrial-product-page .spec-table td {\npadding: 11px 9px;\n        font-size: 13px;\n        line-height: 1.55;\n        overflow-wrap: anywhere;\n}\n\n.nxs-industrial-product-page .spec-table td:first-child {\nwidth: 42%;\n}\n\n.nxs-industrial-product-page .features {\ngrid-template-columns: 1fr;\n        gap: 12px;\n}\n\n.nxs-industrial-product-page .card {\npadding: 18px 17px;\n}\n\n.nxs-industrial-product-page .card:hover {\ntransform: none;\n}\n\n.nxs-industrial-product-page .section ul {\ngrid-template-columns: 1fr;\n        gap: 9px;\n}\n\n.nxs-industrial-product-page .section li {\npadding: 11px 12px 11px 36px;\n        font-size: 14px;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p {\npadding: 16px 14px 16px 48px;\n        font-size: 14px;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p::before {\nleft: 12px;\n        top: 15px;\n        min-width: 26px;\n        height: 26px;\n        font-size: 10px;\n}\n}\n\n@media (prefers-reduced-motion: reduce) {\n.nxs-industrial-product-page, .nxs-industrial-product-page *, .nxs-industrial-product-page *::before, .nxs-industrial-product-page *::after {\ntransition: none !important;\n}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\u003cdiv class=\"container\"\u003e\u003cmain\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKeyence\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eFU-61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eFiber Optic Sensor Fiber Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Arrangement\u003c\/td\u003e\n\u003ctd\u003eParallel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFibre Unit Length\u003c\/td\u003e\n\u003ctd\u003e2 m (78.74 inch), free-cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFibre Unit Diameter\u003c\/td\u003e\n\u003ctd\u003eø2.2×2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eStraight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Bend Radius\u003c\/td\u003e\n\u003ctd\u003eR25 mm (0.984 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Detectable Object\u003c\/td\u003e\n\u003ctd\u003eGold wire with a diameter of 0.005 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 21 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\u003ch3\u003eM6 Reflective Fiber Unit\u003c\/h3\u003e\n\u003cp\u003eM6-size reflective fiber unit with a parallel detection arrangement for industrial sensing applications.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e2 m Free-Cut Fiber\u003c\/h3\u003e\n\u003cp\u003eFibre unit length of 2 m with free-cut capability for flexible installation.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eSmall Minimum Bend Radius\u003c\/h3\u003e\n\u003cp\u003eR25 mm minimum bend radius supports routing in space-constrained installations.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eHigh-Precision Detection\u003c\/h3\u003e\n\u003cp\u003eMinimum detectable object of 0.005 mm gold wire supports fine object detection.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eWide Temperature Range\u003c\/h3\u003e\n\u003cp\u003eAmbient temperature range of -40 to +70°C for use in diverse industrial environments.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision object detection\u003c\/li\u003e\n\u003cli\u003eSmall part presence sensing\u003c\/li\u003e\n\u003cli\u003eElectronics manufacturing inspection\u003c\/li\u003e\n\u003cli\u003eSemiconductor equipment sensing\u003c\/li\u003e\n\u003cli\u003eIndustrial automation fiber optic sensing\u003c\/li\u003e\n\u003cli\u003eSpace-constrained installation areas\u003c\/li\u003e\n\u003cli\u003eHigh-temperature industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Keyence FU-61 Fiber Optic Sensor Fiber Unit. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Keyence FU-61?\u003c\/strong\u003e\nThe FU-61 is a reflective fiber optic sensor fiber unit with an M6 size and parallel detection arrangement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the fiber unit length of FU-61?\u003c\/strong\u003e\nThe fiber unit length is 2 m and is free-cut for adjustable installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the minimum bend radius of FU-61?\u003c\/strong\u003e\nThe minimum bend radius is R25 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the smallest object FU-61 can detect?\u003c\/strong\u003e\nIt can detect a gold wire with a diameter of 0.005 mm under optimal settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the ambient temperature range of FU-61?\u003c\/strong\u003e\nThe ambient temperature range is -40 to +70°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the weight of FU-61?\u003c\/strong\u003e\nThe fiber unit weighs approximately 21 g.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere is FU-61 commonly used?\u003c\/strong\u003e\nIt is used for precision object detection, small part sensing, and electronics manufacturing inspection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering FU-61?\u003c\/strong\u003e\nVerify the fiber amplifier compatibility, required detection distance, and installation space against the fiber unit specifications.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keyence","offers":[{"title":"Default Title","offer_id":68049320017999,"sku":"LL1-KEY-FU-61","price":16.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/FU-61-01.jpg?v=1793947596","url":"https:\/\/yunshuotrade.com\/products\/keyence-fu-61-fiber-optic-sensor","provider":"yunshuotrade","version":"1.0","type":"link"}