http://www3.bio-rad.com/B2B/BioRad/product/br_category.jsp?BV_SessionID=@@@@1176410095.1281176342@@@@&BV_EngineID=ccceadeleejmlhecfngcfkmdhkkdflm.0&divName=Life+Science+Research&categoryPath=Catalogs%2fLife+Science+Research%2fMicroplate+Systems%2fMicroplate+Instruments+and+ELISA+Reagents%2fMicroplate+Instruments%2fCheckmark+Reader+Performance+Check+Plate+Kit&loggedIn=false&lang=Russian&country=RU&catLevel=6&catOID=-22717&isPA=false&serviceLevel=Lit+Request