The AutoAnalyser using a special flow technique called Continuous Flow Analysis (CFA) was first made by the Technicon Corporation. Technicon later sold their industrial division to German based Bran+Luebbe who continued to manufacture the AutoAnalyser ll and a micro-flow analyser for environmental and other samples. The Bran+Luebbe CFA business was bought by SEAL Analytical in 2006.

SEAL Analytical continue to manufacture, sell and support the AutoAnalyser 2/3 and QuAAtro CFA systems as well as Discrete Analysers under the brand SEAL Analytical.

SEAL Analytical is the only authorised supplier of genuine Technicon/ Bran+Luebbe parts and offer factory trained service, support and consumables for the AAII and AA3.