{"product_id":"yunshis-sk-a100-laser-distance-sensor","title":"Yunshis SK-A100 Series 100m\/150m Laser Distance Sensor with RS485 Modbus RTU, 4-20mA, TTL for Robotics","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Yunshis SK-A100 series \u003cstrong\u003eLaser Distance Sensor\u003c\/strong\u003e is a single-point, phase-based distance measurement sensor with a digital display, designed for robotics and industrial automation measurement tasks. It supports multiple output options (TTL\/UART, RS485 Modbus RTU, and 4–20 mA) to fit different control and data acquisition requirements.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSingle-point phase measurement with millimeter-level performance (repeatability and accuracy values vary by source; see Specifications)\u003c\/li\u003e\n\u003cli\u003eDigital display with real-time distance data display (4-digit LED display is stated)\u003c\/li\u003e\n\u003cli\u003eMultiple interfaces: TTL (UART output), RS485 (Modbus RTU), and 4–20 mA analog output\u003c\/li\u003e\n\u003cli\u003eLaser safety class: Class 2 \/ Class II (IEC 60825-1:2014, EN 60825-1:2014 stated)\u003c\/li\u003e\n\u003cli\u003eIndustrial-grade protection: IP67 (stated)\u003c\/li\u003e\n\u003cli\u003eMeasurement modes: supports single measurement and continuous measurement; includes fast measurement, precision measurement, and automatic measurement\u003c\/li\u003e\n\u003cli\u003eLaser lifespan: over 10,000 hours (stated)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ch3\u003eModel Variants (Comparison)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSK-A100\u003c\/th\u003e\n\u003cth\u003eSK-A100A\u003c\/th\u003e\n\u003cth\u003eSK-A100B\u003c\/th\u003e\n\u003cth\u003eSK-A100C\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVariant Description\u003c\/td\u003e\n\u003ctd\u003eStandard Version\u003c\/td\u003e\n\u003ctd\u003eHigh Frequency\u003c\/td\u003e\n\u003ctd\u003eOptimized for Black Targets\u003c\/td\u003e\n\u003ctd\u003eLong Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e100 m\u003c\/td\u003e\n\u003ctd\u003e100 m\u003c\/td\u003e\n\u003ctd\u003e100 m\u003c\/td\u003e\n\u003ctd\u003e150 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e3 Hz\u003c\/td\u003e\n\u003ctd\u003e20 Hz\u003c\/td\u003e\n\u003ctd\u003e1-20 Hz\u003c\/td\u003e\n\u003ctd\u003e1-20 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy (spec table)\u003c\/td\u003e\n\u003ctd\u003e±3 mm\u003c\/td\u003e\n\u003ctd\u003e±3 mm\u003c\/td\u003e\n\u003ctd\u003e±3 mm\u003c\/td\u003e\n\u003ctd\u003e±3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eOptical \/ Measurement\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Object\u003c\/td\u003e\n\u003ctd\u003eNatural surface of static\/dynamic targets or dedicated reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Source\u003c\/td\u003e\n\u003ctd\u003eRed visible laser, wavelength 635 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLaser Safety Class\u003c\/td\u003e\n\u003ctd\u003eClass 2 (IEC 60825-1:2014, EN 60825-1:2014); Class II is also stated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Spot Size (Elliptical)\u003c\/td\u003e\n\u003ctd\u003e5x3mm @ 10m; 10x6mm @ 25m; 15x10mm @ 50m; 30x20mm @ 100m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLaser Lifespan\u003c\/td\u003e\n\u003ctd\u003eOver 10000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor Measuring Range (stated)\u003c\/td\u003e\n\u003ctd\u003e0.03–100 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Range (stated)\u003c\/td\u003e\n\u003ctd\u003e50 m (with reflector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistance Accuracy (stated)\u003c\/td\u003e\n\u003ctd\u003e±2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Rate (stated)\u003c\/td\u003e\n\u003ctd\u003e3 Hz \/ 20 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eMechanical \u0026amp; Electrical\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage (spec table)\u003c\/td\u003e\n\u003ctd\u003eDC 9~35 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Standard (stated)\u003c\/td\u003e\n\u003ctd\u003e9–36 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDust Lens Material\u003c\/td\u003e\n\u003ctd\u003eHigh-transparency Quartz Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension (L*W*H)\u003c\/td\u003e\n\u003ctd\u003e52 x 52 x 86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e230 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 ~ 60 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector \u0026amp; Cable\u003c\/td\u003e\n\u003ctd\u003eM12*5 aviation plug with 1m cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInterfaces \/ Protocols\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols (spec table)\u003c\/td\u003e\n\u003ctd\u003eRS485-Modbus RTU \/ 4-20mA \/ Digital Display \/ UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces (stated)\u003c\/td\u003e\n\u003ctd\u003eTTL \/ RS485 \/ 4–20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTTL Notes (stated)\u003c\/td\u003e\n\u003ctd\u003eUART output is adopted for convenient data transmission and interaction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485 Notes (stated)\u003c\/td\u003e\n\u003ctd\u003eSupports standard RS485 Modbus RTU protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4–20 mA Notes (stated)\u003c\/td\u003e\n\u003ctd\u003eFeatures 4-20mA analog output function\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eMechanical Drawing Dimensions (stated)\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall size\u003c\/td\u003e\n\u003ctd\u003e52 x 52 x 86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody length (stated in drawing)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting hole diameter (stated in drawing)\u003c\/td\u003e\n\u003ctd\u003eØ3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional drawing dimensions (stated)\u003c\/td\u003e\n\u003ctd\u003e3.5 mm; 2.5 mm; 11 mm; 30 mm; 26 mm; 10 mm; 18.06 mm; 12 mm; 13.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHumanoid robots\u003c\/li\u003e\n\u003cli\u003eQuadruped robots\u003c\/li\u003e\n\u003cli\u003eRobotic arms (including material level robotic arm applications)\u003c\/li\u003e\n\u003cli\u003eExoskeletons\u003c\/li\u003e\n\u003cli\u003eAGV vehicles\u003c\/li\u003e\n\u003cli\u003eARU robots\u003c\/li\u003e\n\u003cli\u003eDriving positioning\u003c\/li\u003e\n\u003cli\u003eSubway\/metro tunnel safety monitoring\u003c\/li\u003e\n\u003cli\u003eCrane positioning and anti-collision\u003c\/li\u003e\n\u003cli\u003eBridge deformation monitoring\u003c\/li\u003e\n\u003cli\u003eGrain storage\u003c\/li\u003e\n\u003cli\u003eAutomated medical equipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eManuals \/ Drawings\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Yunshis_SK-A100_LiDAR-Drawing.pdf?v=1781072029\" rel=\"noopener\" target=\"_blank\"\u003eYunshis SK-A100 Laser Distance Sensor - Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFor interface selection and integration guidance (TTL\/UART, RS485 Modbus RTU, or 4–20 mA), contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Yunshis SK-A100 series laser distance sensor with digital display and TTL\/RS485\/4–20 mA outputs (100 m)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yunshis-SK-A100-Laser-Distance-Sensor.webp?v=1784279725\"\u003e\u003cp\u003eDesigned for robotics and industrial automation, the SK‑A100 series combines a real‑time digital display with flexible I\/O options including TTL\/UART, RS485 Modbus RTU, and 4–20 mA.\u003c\/p\u003e\n\u003cimg alt=\"SK-A100 laser distance sensor front view with LED distance readout and IP67 industrial protection callouts\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yunshis-SK-A100-Laser-Distance-Sensor_2713c7a3-0be8-46c1-a4af-409cb0e27c97.webp?v=1784279732\"\u003e\u003cp\u003eAn IP67-rated aluminum housing and clear 4‑digit LED readout make integration and on-site checks straightforward.\u003c\/p\u003e\n\u003cimg alt=\"SK-A100 communication interface options: TTL\/UART, RS485 Modbus RTU, and 4–20 mA analog output versions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yunshis-SK-A100-Series-100m150m-Laser-Distance-Sensor-with_b7fc1baf-50bb-46de-8bab-f0093522cff3.webp?v=1784280219\"\u003e\u003cp\u003eChoose the interface that matches your controller and wiring—UART\/TTL for simple serial links, Modbus RTU over RS485 for industrial networks, or 4–20 mA for analog PLC inputs.\u003c\/p\u003e\n\u003cimg alt=\"Key indicators for SK-A100 series including laser safety class, measurement modes, parameters, and service life notes\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yunshis-SK-A100-Laser-Distance-Sensor_98602432-5ab6-4770-97d1-96d1916dba3c.webp?v=1784279753\"\u003e\u003cp\u003eMultiple measurement modes support both single-shot checks and continuous monitoring, with laser safety class details provided for proper deployment.\u003c\/p\u003e\n\u003cimg alt=\"SK-A100 application scenarios including material level robotic arms and automated medical equipment distance measurement\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yunshis-SK-A100-Laser-Distance-Sensor_b9ab7c91-64b8-4617-b5ea-10b8c227dcb1.webp?v=1784279760\"\u003e\u003cp\u003eCommon uses include robotic arm material level tasks and automated equipment where stable single-point distance feedback is needed.\u003c\/p\u003e\n\u003cimg alt=\"Industrial use cases for SK-A100 sensor: crane positioning\/anti-collision and metro tunnel safety monitoring\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yunshis-SK-A100-Laser-Distance-Sensor_da7eb6e6-b937-41fb-8ede-25f11d24c8a0.webp?v=1784279767\"\u003e\u003cp\u003eSuitable for long-range positioning and safety monitoring projects such as crane anti-collision and tunnel\/metro infrastructure work.\u003c\/p\u003e\n\u003cimg alt=\"Wide application collage: positioning, subway tunnel monitoring, robotic arms, medical equipment, bridge monitoring, grain storage\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yunshis-SK-A100-Laser-Distance-Sensor_45c1f6af-5310-4bdc-a1d8-3b70c37132c2.webp?v=1784279776\"\u003e\u003cimg alt=\"SK-A100 series mechanical dimensions drawing with front, side, and bottom views for mounting reference (52×52×86 mm)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Yunshis-SK-A100-Laser-Distance-Sensor_7d825873-7480-4358-8a88-e15a74ef1879.webp?v=1784279782\"\u003e\u003cp\u003eMechanical drawings help confirm fit for brackets, enclosures, and tight mounting locations before installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Yunshis","offers":[{"title":"SK-A100 \/ RS485-Modus RTU","offer_id":53433831915744,"sku":"Yunshis_SK_A1_788c72-1","price":252.5,"currency_code":"USD","in_stock":true},{"title":"SK-A100 \/ 4-20mA","offer_id":53433831948512,"sku":"Yunshis_SK_A1_788c72-2","price":252.5,"currency_code":"USD","in_stock":true},{"title":"SK-A100 \/ TTL","offer_id":53433831981280,"sku":"Yunshis_SK_A1_788c72-3","price":158.75,"currency_code":"USD","in_stock":true},{"title":"SK-A100A \/ RS485-Modus RTU","offer_id":53433832014048,"sku":"Yunshis_SK_A1_788c72-4","price":290.0,"currency_code":"USD","in_stock":true},{"title":"SK-A100A \/ 4-20mA","offer_id":53433832046816,"sku":"Yunshis_SK_A1_788c72-5","price":290.0,"currency_code":"USD","in_stock":true},{"title":"SK-A100A \/ TTL","offer_id":53433832079584,"sku":"Yunshis_SK_A1_788c72-6","price":183.75,"currency_code":"USD","in_stock":true},{"title":"SK-A100B \/ RS485-Modus RTU","offer_id":53433832112352,"sku":"Yunshis_SK_A1_788c72-7","price":290.0,"currency_code":"USD","in_stock":true},{"title":"SK-A100B \/ 4-20mA","offer_id":53433832145120,"sku":"Yunshis_SK_A1_788c72-8","price":290.0,"currency_code":"USD","in_stock":true},{"title":"SK-A100B \/ TTL","offer_id":53433832177888,"sku":"Yunshis_SK_A1_788c72-9","price":183.75,"currency_code":"USD","in_stock":true},{"title":"SK-A100C \/ RS485-Modus RTU","offer_id":53433832210656,"sku":"Yunshis_SK_A1_788c72-10","price":290.0,"currency_code":"USD","in_stock":true},{"title":"SK-A100C \/ 4-20mA","offer_id":53433832243424,"sku":"Yunshis_SK_A1_788c72-11","price":290.0,"currency_code":"USD","in_stock":true},{"title":"SK-A100C \/ TTL","offer_id":53433832276192,"sku":"Yunshis_SK_A1_788c72-12","price":183.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/Yunshis-SK-A100-Series-100m150m-Laser-Distance-Sensor-with.jpg?v=1784280107","url":"https:\/\/rcdrone.top\/fa\/products\/yunshis-sk-a100-laser-distance-sensor","provider":"RCDrone","version":"1.0","type":"link"}