{"product_id":"j-bottom-flat-backlight-illumination","title":"BF Series Bottom Flat Backlight Illumination","description":"\u003ch2 data-section-id=\"1y9yv67\" data-start=\"51\" data-end=\"81\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"83\" data-end=\"162\"\u003e\u003cstrong data-start=\"83\" data-end=\"162\"\u003eBF Series Bottom Flat Backlight for High-Contrast Machine Vision Inspection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"164\" data-end=\"476\"\u003eThe BF Series Bottom Flat Backlight Illumination is designed to deliver uniform, high-contrast lighting for precision machine vision applications. Its flat, low-profile structure allows easy integration into compact inspection systems, making it ideal for backlighting tasks requiring accurate contour detection.\u003c\/p\u003e\n\u003cp data-start=\"478\" data-end=\"697\"\u003eWith high-density SMD LED technology, the BF Series produces bright, diffused illumination across a wide emitting surface, ensuring consistent image quality and reliable performance in demanding industrial environments.\u003c\/p\u003e\n\u003cp data-start=\"699\" data-end=\"836\"\u003eThis backlight is especially suitable for silhouette imaging and measurement applications where clarity and edge definition are critical.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1efomr0\" data-start=\"838\" data-end=\"857\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"858\" data-end=\"1057\"\u003e\n\u003cli data-section-id=\"lti0vg\" data-start=\"858\" data-end=\"908\"\u003eUniform and diffused flat surface illumination\u003c\/li\u003e\n\u003cli data-section-id=\"1ba9z7m\" data-start=\"909\" data-end=\"955\"\u003eHigh-brightness output with dense SMD LEDs\u003c\/li\u003e\n\u003cli data-section-id=\"1oxb3wm\" data-start=\"956\" data-end=\"1006\"\u003eLow-profile design for easy system integration\u003c\/li\u003e\n\u003cli data-section-id=\"eoue2l\" data-start=\"1007\" data-end=\"1057\"\u003eStable and durable for industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"6eydq4\" data-start=\"1059\" data-end=\"1078\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"1079\" data-end=\"1263\"\u003e\n\u003cli data-section-id=\"7a8j8x\" data-start=\"1079\" data-end=\"1129\"\u003eDimension measurement and precision inspection\u003c\/li\u003e\n\u003cli data-section-id=\"ytkeuu\" data-start=\"1130\" data-end=\"1166\"\u003eContour and silhouette detection\u003c\/li\u003e\n\u003cli data-section-id=\"1l9srqk\" data-start=\"1167\" data-end=\"1194\"\u003eLiquid level inspection\u003c\/li\u003e\n\u003cli data-section-id=\"1rv1mhs\" data-start=\"1195\" data-end=\"1227\"\u003ePinhole and defect detection\u003c\/li\u003e\n\u003cli data-section-id=\"1qiu9sf\" data-start=\"1228\" data-end=\"1263\"\u003eBurr inspection for metal parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/1779\/7622\/files\/01_2_d0c73773-e386-48fa-8b80-6b381ace3f2f.png?v=1735016609\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9987%; height: 215.531px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.7761%; height: 19.5938px;\"\u003e Input voltage\u003c\/td\u003e\n\u003ctd style=\"width: 58.8578%; height: 19.5938px;\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.7761%; height: 19.5938px;\"\u003e\u003cspan\u003eWavelength range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.8578%; height: 19.5938px;\"\u003eRed: 620-630nm; Blue: 460-475nm; Green: 520-530nm;\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 40.7761%; height: 39.1875px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eColor temperature (white)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.8578%; height: 39.1875px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e5800-7500K\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.7761%; height: 19.5938px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eOperating environment(indoor) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.8578%; height: 19.5938px;\"\u003eTemperature: 0~40℃\u003cbr\u003eHumidity: 20% to 85% RH (with no condensation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 40.7761%; height: 58.7812px;\"\u003eLife time\u003c\/td\u003e\n\u003ctd style=\"width: 58.8578%; height: 58.7812px;\"\u003eWhite:30,000hrs, Red: 60,000hrs\u003cbr\u003e(Depends on the operating environment, not a gurantee)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.7761%; height: 19.5938px;\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eCase material\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.8578%; height: 19.5938px;\"\u003eAluminum alloy, Resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eIllumination Structure\u003c\/h2\u003e\n\u003ch2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/1779\/7622\/files\/02_81e85900-5480-459a-97f9-837e62018220.png?v=1735016506\" alt=\"\"\u003e\u003cbr\u003eEmitting Color, IP Rating, cooling method, emitting surface length, etc customizable\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/tiIFjPSN7lY?si=1l1bKMxj7liIlIMP\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Contrastech","offers":[{"title":"27*27 \/ Red","offer_id":47605365768438,"sku":"VT-LT2-BF2727R","price":86.0,"currency_code":"USD","in_stock":true},{"title":"27*27 \/ Blue","offer_id":47605365801206,"sku":"VT-LT2-BF2727B","price":86.0,"currency_code":"USD","in_stock":true},{"title":"27*27 \/ White","offer_id":47605365833974,"sku":"VT-LT2-BF2727W","price":86.0,"currency_code":"USD","in_stock":false},{"title":"27*27 \/ Green","offer_id":47605365866742,"sku":"VT-LT2-BF2727G","price":96.0,"currency_code":"USD","in_stock":true},{"title":"27*27 \/ IR","offer_id":47605365899510,"sku":"VT-LT2-BF2727IR","price":106.0,"currency_code":"USD","in_stock":true},{"title":"27*27 \/ 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