Headquartered in Waltham, Massachusetts, Extech Instruments is one of the largest suppliers of test and 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 highly useful and very convenient. All Extech meters are distributed worldwide through leading representatives, distributors and OEMs. The company is ISO 9001 2000 certified.
Casella is dedicated to reducing occupational and environmental health risks through effective monitoring solutions. Casella prides itself on providing precision instrumentation since 1799, supplying eminent figures including David Livingstone and Charles Darwin with instrumentation for... Read More
TSI Inc. serves a global market by investigating, identifying and solving measurement problems. As an industry leader in the design and production of precision measurement instruments, TSI partners with research institutions and customers around the world to set the standard for measurements...
OHD provides a range of products and services to help you protect your employees and manage your occupational risks. Whether you are looking for a Respirator Fit Tester, a Noise Dosimeter, an Audiometer or a Sound Level Meter, we can provide you with a complete solution.