Headquartered in Waltham, Massachusetts, Extech Instruments is one of the largest suppliers of test and measurement equipment worldwide. Founded in 1971,the Extech brand is known for its innovative products offering unique and patented designs with features, functions, and reliability at an affordable price. The company’s Instrument Division provides over 15 major product categories including its water quality meters and laboratory instrumentation. All Extech meters are distributed worldwide through leading representatives, distributors and OEMs. The company is ISO 9001 2000 certified and is a wholly owned subsidiary of FLIR Systems, Inc.