{"product_id":"fs-v21r-brand-new-keyence-photoelectric-sensor-amplifier-fsv21r","title":"FS-V21R Brand New Keyence Photoelectric Sensor Amplifier FSV21R","description":"\u003ch1 data-start=\"283\" data-end=\"333\"\u003eKEYENCE FS-V21R Photoelectric Sensor Amplifier\u003c\/h1\u003e\n\u003cp data-start=\"334\" data-end=\"405\"\u003e\u003cstrong data-start=\"334\" data-end=\"405\"\u003eBrand New Original · High-Precision Digital Fiber Sensor Controller\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"407\" data-end=\"410\"\u003e\n\u003ch2 data-start=\"412\" data-end=\"452\"\u003e✅ Product Highlights \u003c\/h2\u003e\n\u003cul data-start=\"454\" data-end=\"792\"\u003e\n\u003cli data-start=\"454\" data-end=\"498\"\u003e\n\u003cp data-start=\"456\" data-end=\"498\"\u003e✔ \u003cstrong data-start=\"458\" data-end=\"498\"\u003e100% Genuine KEYENCE – Made in Japan\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"499\" data-end=\"551\"\u003e\n\u003cp data-start=\"501\" data-end=\"551\"\u003e✔ \u003cstrong data-start=\"503\" data-end=\"551\"\u003eFS-V21R Digital Fiber Optic Sensor Amplifier\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"552\" data-end=\"599\"\u003e\n\u003cp data-start=\"554\" data-end=\"599\"\u003e✔ High-speed response for precision detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"600\" data-end=\"652\"\u003e\n\u003cp data-start=\"602\" data-end=\"652\"\u003e✔ Stable output even in dusty or oily environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"653\" data-end=\"689\"\u003e\n\u003cp data-start=\"655\" data-end=\"689\"\u003e✔ Compact DIN-rail mounting design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"690\" data-end=\"745\"\u003e\n\u003cp data-start=\"692\" data-end=\"745\"\u003e✔ Ideal for automation, electronics \u0026amp; packaging lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"746\" data-end=\"792\"\u003e\n\u003cp data-start=\"748\" data-end=\"792\"\u003e✔ Brand New – Factory Sealed – Ready to Ship\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"794\" data-end=\"882\"\u003e👉 Designed for engineers, OEM system builders, and industrial automation professionals.\u003c\/p\u003e\n\u003chr data-start=\"884\" data-end=\"887\"\u003e\n\u003ch2 data-start=\"889\" data-end=\"911\"\u003e🔍 Product Overview\u003c\/h2\u003e\n\u003cp data-start=\"913\" data-end=\"1059\"\u003eThe \u003cstrong data-start=\"917\" data-end=\"936\"\u003eKEYENCE FS-V21R\u003c\/strong\u003e is a \u003cstrong data-start=\"942\" data-end=\"1001\"\u003ehigh-performance digital photoelectric sensor amplifier\u003c\/strong\u003e designed for use with KEYENCE fiber optic sensor heads.\u003c\/p\u003e\n\u003cp data-start=\"1061\" data-end=\"1278\"\u003eIt provides \u003cstrong data-start=\"1073\" data-end=\"1119\"\u003eextremely stable light intensity detection\u003c\/strong\u003e, fast response time, and high resistance to ambient light interference — making it ideal for \u003cstrong data-start=\"1213\" data-end=\"1277\"\u003ehigh-speed production lines and precision inspection systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1280\" data-end=\"1487\"\u003eWith KEYENCE’s advanced signal processing technology, the FS-V21R ensures \u003cstrong data-start=\"1354\" data-end=\"1421\"\u003ereliable object detection even in harsh industrial environments\u003c\/strong\u003e, including dust, vibration, oil mist, and reflective backgrounds.\u003c\/p\u003e\n\u003chr data-start=\"1489\" data-end=\"1492\"\u003e\n\u003ch2 data-start=\"1494\" data-end=\"1522\"\u003e⚙️ Key Technical Features\u003c\/h2\u003e\n\u003ch3 data-start=\"1524\" data-end=\"1563\"\u003e🎯 High-Precision Digital Detection\u003c\/h3\u003e\n\u003cul data-start=\"1564\" data-end=\"1721\"\u003e\n\u003cli data-start=\"1564\" data-end=\"1607\"\u003e\n\u003cp data-start=\"1566\" data-end=\"1607\"\u003eAdvanced digital amplification technology\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1608\" data-end=\"1655\"\u003e\n\u003cp data-start=\"1610\" data-end=\"1655\"\u003eStable signal output with minimal fluctuation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1656\" data-end=\"1721\"\u003e\n\u003cp data-start=\"1658\" data-end=\"1721\"\u003eAccurate detection of small, transparent, or reflective objects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1723\" data-end=\"1726\"\u003e\n\u003ch3 data-start=\"1728\" data-end=\"1765\"\u003e⚡ High-Speed Response Performance\u003c\/h3\u003e\n\u003cul data-start=\"1766\" data-end=\"1927\"\u003e\n\u003cli data-start=\"1766\" data-end=\"1820\"\u003e\n\u003cp data-start=\"1768\" data-end=\"1820\"\u003eFast response time suitable for high-speed conveyors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1821\" data-end=\"1869\"\u003e\n\u003cp data-start=\"1823\" data-end=\"1869\"\u003eReliable triggering for PLC and motion systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1870\" data-end=\"1927\"\u003e\n\u003cp data-start=\"1872\" data-end=\"1927\"\u003eIdeal for counting, positioning, and presence detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1929\" data-end=\"1932\"\u003e\n\u003ch3 data-start=\"1934\" data-end=\"1970\"\u003e🧠 Intelligent Signal Processing\u003c\/h3\u003e\n\u003cul data-start=\"1971\" data-end=\"2115\"\u003e\n\u003cli data-start=\"1971\" data-end=\"2005\"\u003e\n\u003cp data-start=\"1973\" data-end=\"2005\"\u003eAutomatic sensitivity adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2006\" data-end=\"2058\"\u003e\n\u003cp data-start=\"2008\" data-end=\"2058\"\u003eExcellent resistance to ambient light interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2059\" data-end=\"2115\"\u003e\n\u003cp data-start=\"2061\" data-end=\"2115\"\u003eMaintains stable operation during voltage fluctuations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2117\" data-end=\"2120\"\u003e\n\u003ch3 data-start=\"2122\" data-end=\"2152\"\u003e🧱 Industrial-Grade Design\u003c\/h3\u003e\n\u003cul data-start=\"2153\" data-end=\"2287\"\u003e\n\u003cli data-start=\"2153\" data-end=\"2201\"\u003e\n\u003cp data-start=\"2155\" data-end=\"2201\"\u003eCompact housing for space-saving installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2202\" data-end=\"2246\"\u003e\n\u003cp data-start=\"2204\" data-end=\"2246\"\u003eDurable construction for long service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2247\" data-end=\"2287\"\u003e\n\u003cp data-start=\"2249\" data-end=\"2287\"\u003eDesigned for continuous 24\/7 operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2289\" data-end=\"2292\"\u003e\n\u003ch3 data-start=\"2294\" data-end=\"2324\"\u003e🔌 Easy System Integration\u003c\/h3\u003e\n\u003cul data-start=\"2325\" data-end=\"2493\"\u003e\n\u003cli data-start=\"2325\" data-end=\"2375\"\u003e\n\u003cp data-start=\"2327\" data-end=\"2375\"\u003eCompatible with KEYENCE fiber optic sensor heads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2376\" data-end=\"2417\"\u003e\n\u003cp data-start=\"2378\" data-end=\"2417\"\u003ePNP transistor output (FS-V21R version)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2418\" data-end=\"2493\"\u003e\n\u003cp data-start=\"2420\" data-end=\"2493\"\u003eSeamless integration with PLC systems (Siemens \/ Omron \/ Mitsubishi \/ AB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2495\" data-end=\"2498\"\u003e\n\u003ch2 data-start=\"2500\" data-end=\"2530\"\u003e📊 Technical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2532\" data-end=\"3194\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2532\" data-end=\"2561\"\u003e\n\u003ctr data-start=\"2532\" data-end=\"2561\"\u003e\n\u003cth data-start=\"2532\" data-end=\"2544\" data-col-size=\"sm\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"2544\" data-end=\"2561\" data-col-size=\"md\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2589\" data-end=\"3194\"\u003e\n\u003ctr data-start=\"2589\" data-end=\"2608\"\u003e\n\u003ctd data-start=\"2589\" data-end=\"2597\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"2597\" data-end=\"2608\" data-col-size=\"md\"\u003eFS-V21R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2609\" data-end=\"2635\"\u003e\n\u003ctd data-start=\"2609\" data-end=\"2624\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-start=\"2624\" data-end=\"2635\" data-col-size=\"md\"\u003eKEYENCE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2636\" data-end=\"2685\"\u003e\n\u003ctd data-start=\"2636\" data-end=\"2651\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"2651\" data-end=\"2685\" data-col-size=\"md\"\u003ePhotoelectric Sensor Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2686\" data-end=\"2725\"\u003e\n\u003ctd data-start=\"2686\" data-end=\"2700\" data-col-size=\"sm\"\u003eSensor Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2700\" data-end=\"2725\"\u003eFiber Optic Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2726\" data-end=\"2765\"\u003e\n\u003ctd data-start=\"2726\" data-end=\"2740\" data-col-size=\"sm\"\u003eOutput Type\u003c\/td\u003e\n\u003ctd data-start=\"2740\" data-end=\"2765\" data-col-size=\"md\"\u003ePNP Transistor Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2766\" data-end=\"2802\"\u003e\n\u003ctd data-start=\"2766\" data-end=\"2783\" data-col-size=\"sm\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd data-start=\"2783\" data-end=\"2802\" data-col-size=\"md\"\u003e12–24 V DC ±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2803\" data-end=\"2836\"\u003e\n\u003ctd data-start=\"2803\" data-end=\"2825\" data-col-size=\"sm\"\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd data-start=\"2825\" data-end=\"2836\" data-col-size=\"md\"\u003e≤ 40 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2837\" data-end=\"2871\"\u003e\n\u003ctd data-start=\"2837\" data-end=\"2853\" data-col-size=\"sm\"\u003eResponse Time\u003c\/td\u003e\n\u003ctd data-start=\"2853\" data-end=\"2871\" data-col-size=\"md\"\u003eApprox. 250 μs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2872\" data-end=\"2904\"\u003e\n\u003ctd data-start=\"2872\" data-end=\"2889\" data-col-size=\"sm\"\u003eControl Output\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2889\" data-end=\"2904\"\u003eMax. 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2905\" data-end=\"2973\"\u003e\n\u003ctd data-start=\"2905\" data-end=\"2926\" data-col-size=\"sm\"\u003eProtection Circuit\u003c\/td\u003e\n\u003ctd data-start=\"2926\" data-end=\"2973\" data-col-size=\"md\"\u003eReverse polarity \/ short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2974\" data-end=\"3011\"\u003e\n\u003ctd data-start=\"2974\" data-end=\"2985\" data-col-size=\"sm\"\u003eMounting\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2985\" data-end=\"3011\"\u003eDIN rail \/ panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3012\" data-end=\"3064\"\u003e\n\u003ctd data-start=\"3012\" data-end=\"3024\" data-col-size=\"sm\"\u003eIndicator\u003c\/td\u003e\n\u003ctd data-start=\"3024\" data-end=\"3064\" data-col-size=\"md\"\u003eLED operation \u0026amp; stability indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3065\" data-end=\"3106\"\u003e\n\u003ctd data-start=\"3065\" data-end=\"3089\" data-col-size=\"sm\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3089\" data-end=\"3106\"\u003e−10 to +55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3107\" data-end=\"3152\"\u003e\n\u003ctd data-start=\"3107\" data-end=\"3127\" data-col-size=\"sm\"\u003eProtection Rating\u003c\/td\u003e\n\u003ctd data-start=\"3127\" data-end=\"3152\" data-col-size=\"md\"\u003eIP50 (amplifier unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3153\" data-end=\"3194\"\u003e\n\u003ctd data-start=\"3153\" data-end=\"3165\" data-col-size=\"sm\"\u003eCondition\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3165\" data-end=\"3194\"\u003eBrand New, Factory Sealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/6516\/8701\/files\/ChatGPT_Image_2026_1_23_16_57_11.png?v=1769158660\" alt=\"\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"3196\" data-end=\"3259\"\u003e\u003cem data-start=\"3196\" data-end=\"3259\"\u003eSpecifications are based on KEYENCE FS-V series typical data.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"3261\" data-end=\"3264\"\u003e\n\u003ch2 data-start=\"3266\" data-end=\"3292\"\u003e🏭 Typical Applications\u003c\/h2\u003e\n\u003cp data-start=\"3294\" data-end=\"3346\"\u003eThe \u003cstrong data-start=\"3298\" data-end=\"3327\"\u003eFS-V21R KEYENCE amplifier\u003c\/strong\u003e is widely used in:\u003c\/p\u003e\n\u003cul data-start=\"3348\" data-end=\"3568\"\u003e\n\u003cli data-start=\"3348\" data-end=\"3384\"\u003e\n\u003cp data-start=\"3350\" data-end=\"3384\"\u003e📦 Packaging \u0026amp; labeling machines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3385\" data-end=\"3416\"\u003e\n\u003cp data-start=\"3387\" data-end=\"3416\"\u003e🧰 Automated assembly lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3417\" data-end=\"3464\"\u003e\n\u003cp data-start=\"3419\" data-end=\"3464\"\u003e🧪 Electronics and semiconductor inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3465\" data-end=\"3498\"\u003e\n\u003cp data-start=\"3467\" data-end=\"3498\"\u003e🏭 Factory automation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3499\" data-end=\"3531\"\u003e\n\u003cp data-start=\"3501\" data-end=\"3531\"\u003e🔄 Conveyor object detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3532\" data-end=\"3568\"\u003e\n\u003cp data-start=\"3534\" data-end=\"3568\"\u003e🤖 Robotics positioning feedback\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/6516\/8701\/files\/ChatGPT_Image_2026_1_23_16_54_25.png?v=1769158540\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3570\" data-end=\"3573\"\u003e\n\u003ch2 data-start=\"3575\" data-end=\"3601\"\u003e🔁 System Compatibility\u003c\/h2\u003e\n\u003cul data-start=\"3603\" data-end=\"3763\"\u003e\n\u003cli data-start=\"3603\" data-end=\"3663\"\u003e\n\u003cp data-start=\"3605\" data-end=\"3663\"\u003eCompatible with \u003cstrong data-start=\"3621\" data-end=\"3663\"\u003eKEYENCE fiber sensor heads (FS series)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3664\" data-end=\"3763\"\u003e\n\u003cp data-start=\"3666\" data-end=\"3692\"\u003eSupports integration with:\u003c\/p\u003e\n\u003cul data-start=\"3695\" data-end=\"3763\"\u003e\n\u003cli data-start=\"3695\" data-end=\"3708\"\u003e\n\u003cp data-start=\"3697\" data-end=\"3708\"\u003eSiemens PLC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3711\" data-end=\"3727\"\u003e\n\u003cp data-start=\"3713\" data-end=\"3727\"\u003eMitsubishi PLC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3730\" data-end=\"3741\"\u003e\n\u003cp data-start=\"3732\" data-end=\"3741\"\u003eOmron PLC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3744\" data-end=\"3763\"\u003e\n\u003cp data-start=\"3746\" data-end=\"3763\"\u003eAllen-Bradley PLC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3765\" data-end=\"3828\"\u003e⚠️ Always verify sensor head compatibility before installation.\u003c\/p\u003e\n\u003chr data-start=\"3830\" data-end=\"3833\"\u003e\n\u003ch2 data-start=\"3835\" data-end=\"3860\"\u003e📦 Package \u0026amp; Condition\u003c\/h2\u003e\n\u003cul data-start=\"3862\" data-end=\"4010\"\u003e\n\u003cli data-start=\"3862\" data-end=\"3891\"\u003e\n\u003cp data-start=\"3864\" data-end=\"3891\"\u003e✅ Brand New KEYENCE FS-V21R\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3892\" data-end=\"3929\"\u003e\n\u003cp data-start=\"3894\" data-end=\"3929\"\u003e✅ Original factory sealed packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3930\" data-end=\"3977\"\u003e\n\u003cp data-start=\"3932\" data-end=\"3977\"\u003e✅ Anti-static \u0026amp; protective industrial packing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3978\" data-end=\"4010\"\u003e\n\u003cp data-start=\"3980\" data-end=\"4010\"\u003e✅ Fully tested before shipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"topsdevice","offers":[{"title":"Default Title","offer_id":42781003284541,"sku":null,"price":57.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/6516\/8701\/files\/FS-V21R_6_513383a4-9306-4ad5-9d78-e55b31a1c7e0.jpg?v=1768215487","url":"https:\/\/topsdevice.com\/products\/fs-v21r-brand-new-keyence-photoelectric-sensor-amplifier-fsv21r","provider":"topsdevice","version":"1.0","type":"link"}