[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-232770-105":59,"doc-detail-232770-en":131},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":124,"head_meta":126,"extra_data":128,"updated_unix":130},105,"en","autocollimators-6b-led6d-led-an-extremely-accurate-metrology-instrument","AUTOCOLLIMATORS - 6B-LED/6D-LED - An extremely accurate metrology instrument","","AUTOCOLLIMATORS 6B-LED/6D-LED are extremely accurate metrology instruments for angularity, parallelism, and flatness measurement. Both models use 70 mm aperture lenses to obtain clear reflected images and provide angular displacement readings down to 0.5 seconds of arc with a large-diameter micrometer drum. Bright-field (6B-LED) and dark-field (6D-LED) configurations enable crosshair image interpretation. The document details measurement ranges, resolution, optical configurations, power options, and comprehensive accessories for precision applications.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/autocollimators-6b-led6d-led-an-extremely-accurate-metrology-instrument/232770/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/autocollimators-6b-led6d-led-an-extremely-accurate-metrology-instrument/232770.png","ImageObject",300,407,{"name":92,"@type":93},"Pentious","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-20","2026-09-10",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",17,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What are the key measurement capabilities of the 6B-LED and 6D-LED autocollimators?","Question",{"text":113,"@type":114},"They measure angularity, parallelism, flatness, and other related metrology targets. Readings cover pitch and yaw accuracy as well as squareness and straightness checks.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"How do 6B-LED and 6D-LED differ in viewing mode?",{"text":118,"@type":114},"6B-LED provides a bright field of view with a black cross-hair image visible, while 6D-LED provides a dark field of view with a bright cross-hair image visible.",{"name":120,"@type":111,"acceptedAnswer":121},"What is the minimum reading and typical measuring range?",{"text":122,"@type":114},"The minimum reading is 0.5 seconds of arc. The measuring range is 30 minutes of arc for both vertical and horizontal axes.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},232770,1790437718,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":39},1374404730887,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","AUTOCOLLIMATORS  \n6B-LED/6D-LED  \nAn extremely accurate metrology instrument for angularity, parallelism, flatness, and many other applications .  \nFeatures  \n 6B-LED and 6D-LED both employ 70 mm aperture lenses to produce clear reflected images.  \n Both give readings of angular displacement to 0.5 seconds of arc using an easy-to-read large-diameter micrometer drum.  \nField of Views  \nThe 6B-LED has a bright field of view in which a black cross-hair image is visible. The 6D-LED has a dark field of view in which a bright cross-hair image is visible.  \nExample of Use  \nPitch and Yaw accuracy of linear stage  \nThe rotational accuracy (pitch and yaw) of the linear stage is measured by the reading the crosshair image as the stage with the plane mirror moves.  \nSpecifications  \n\n| Telescope magnification | 38 x |\n| --- | --- |\n| Objective | f= 700 mm; effective aperture: 70 mm |\n| Measuring range | 30 minutes of arc (both vertical and horizontal axes) |\n| Minimum reading | 0.5 seconds of arc |\n| Readout system | Adjustment in viewfield and reading on micrometer |\n| Measuring accuracy | 0.5 seconds of arc within a range of 5 minutes of arc 1 second of arc within a range of 30 minutes of arc |\n| Viewfield | 6B-LED: brightfield, 6D-LED: darkfield |\n| Light source | LED |\n| Power supply | 12V 5A (AC adapter is required) or size AA battery ×2 |\n| Dimensions of main body | Outer diameter of lens barrel support: 68 mm\u003Cbr>Overall length: Approx. 490 mm |\n| Weight (including stand) | Approx. 32 kg |\n\nDimensions Unit: mm  \n*Adjustable Stand Type C is sold separately  \nAccessories  \nPlane Mirror B  \nHighly accurate large reflecting mirror with permanent magnet. Convenient for fastening to ironbased materials.  \n Effective aperture of reflecting surface (both sides): 70 mm  \n Distance between legs of mirror stand: 100 mm  \n Permanent magnet: removable, provided with on/off knob  \n Wooden case provided  \nPentaprism  \nUsed as the standard (optical square) when measuring the squareness of two surfaces.  \n Guaranteed accuracy (optical right angle): 2 seconds of arc  \n Dimensions: 65 x 65 x 45 mm  \n Metal frame and wooden case provided  \nPlane Mirror D  \nGeneral purpose reflecting mirror. The base and sides of the stand can act as guides for measuring straightness and flatness.  \n Effective aperture of reflecting surface: 42 mm  \n Distance between legs of mirror stand: 100 mm  \n Wooden case provided  \nCase for Autocollimators  \nAluminum storage case for 6BLED/6D-LED.  \nPlane Mirror C  \nHighly accurate large reflecting mirror with permanent magnet. Convenient for fastening to metalbased materials.  \n Outer diameter: 30 mm  \n Thickness: 12 mm  \n Parallelism: 2 seconds of arc  \n Wooden case provided  \nLED Illuminator AC-L1 for Autocollimators  \n6B-LED/6B-LED includes AC-L1 as standard feature. AC-L1 is the LED illumination unit used to retrofit the old 6B/6D to LED illumination.  \n Power source: AA batteries x2, AC adaptor  \n8-sided Polygon Mirror Precisely divides 360 ̊ into 8 equal parts and can be used to measure index tables and rotating tables.  \n Guaranteed accuracy: 1 second of arc for compensated values  \n Outer diameter: 117 mm  \n Diameter of center hole: 20 mm  \n Thickness: 46 mm  \n Wooden case provided  \nC-mount TV adapter for Autocollimators  \nWhen used with the eyepiece tube, a C-mount TV camera can be attached to 6B-LED/6D-LED.  \n*The field of view of the monitor screen is narrower than that of the eyepiece. (Measuring range: 20 minutes of arc with a 2/3-inch CCD)  \n12-sided Polygon Mirror Precisely divides 360 ̊ into 12 equal parts and can be used to measure index tables and rotating tables .  \n Guaranteed accuracy: 1 second of arc for compensated values  \n Outer diameter: 117 mm  \n Diameter of center hole: 20 mm  \n Thickness: 46 mm  \n Wooden case provided  \nOther Examples of Use  \nCheck the deflection of elastic or springy materials  \nAffix the mirror the specimen and read the angular deflection using the autocollimator. Small vibration","cbCaisXTBQw9cWT3","https://ap.wps.com/l/cbCaisXTBQw9cWT3","pdf",1388444,"English","# Features\n## Field of Views\n## Example of Use\n## Specifications\n## Accessories\n## Other Examples of Use","[{\"question\":\"What are the key measurement capabilities of the 6B-LED and 6D-LED autocollimators?\",\"answer\":\"They measure angularity, parallelism, flatness, and other related metrology targets. Readings cover pitch and yaw accuracy as well as squareness and straightness checks.\"},{\"question\":\"How do 6B-LED and 6D-LED differ in viewing mode?\",\"answer\":\"6B-LED provides a bright field of view with a black cross-hair image visible, while 6D-LED provides a dark field of view with a bright cross-hair image visible.\"},{\"question\":\"What is the minimum reading and typical measuring range?\",\"answer\":\"The minimum reading is 0.5 seconds of arc. The measuring range is 30 minutes of arc for both vertical and horizontal axes.\"}]","AUTOCOLLIMATORS - 6B-LED/6D-LED - An extremely accurate metrology instrument | PDF",1789073582]