Based in Nashua, New Hampshire, Extech Instruments is one of the largest suppliers of test & measurement equipment worldwide. Founded in 1971, Extech is known for its depth and breadth of products and its innovation in providing instruments with unique combinations of features that make them extremely useful, easy to use, and durable. All Extech meters are distributed worldwide through leading representatives, distributors and OEMs. A division of FLIR Systems, Extech is ISO 9001:2008 certified.