For over 25 years Hiden Analytical Limited has been a global leader in the design and manufacture of scientific instruments for research, development and production applications. In vacuum, gas, surface and plasma processes our quadrupole mass spectrometers have gained a worldwide reputation for their precision and outstanding performance. For more information about our product ranges please visit our website www.HidenAnalytical.com. You can also view descriptions of our product ranges in a variety of languages and request more information from a local representative.