Particle Measuring Systems is a Spectris Company, a leading maker of highly specialized measuring instruments and controls for some of the most technically demanding industrial applications.

Headquartered in the U.K., Spectris employs over 7,400 people in more than 30 countries worldwide. Spectris (SXS) is a member of techMARK, the London Stock Exchange's index for technology companies, and the FTSE4Good index of socially responsible companies.