Medical Device and Diagnostic Industry (MD+DI) is the primary resource for manufacturers of medical devices and in vitro diagnostic products. Its mission is to help medtech industry professionals develop, design, and manufacture products that comply with complex and demanding regulations and evolving market requirements. For 35 years, MD+DI's editorial quality and reliability have won it an unparalleled degree of trust from the industry. Some of the best and brightest experts in medtech contribute to MD+DI, and many of their articles have become standards of reference for the medical device industry. Since 1971, Extech Instruments has focused on Test and Measurement tools built for the professionals, tradesperson and DIY’ers. Our 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, our 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.