Since 1971, Extech Instruments has focused on Test and Measurement tools built for the professionals, tradesperson and DIY'ers. Their single source strategy has made us the brand to turn to when it comes to tools that help prevent, identify and troubleshoot problems in a plethora of applications; whether it's electrical, mechanical, maintenance, safety or environmental applications, Extech products are trusted by the professionals and are put to the test every day. With over 45 years, Extech is renowned as one of the largest manufacturers and suppliers of innovative, quality handheld test, measurement and inspection tools in the world. Sold in over 100 countries around the world, Extech's success is supported by a far-reaching network of dedicated and knowledgeable distributors who introduce new users to Extech every day.