Providers of the worlds most rugged in-line process refractometers. As a pioneer in developing the industrial use of refractive index, our ruggedly designed instruments provide safe, reliable, and accurate process measurement and control. The combination of our excellent service with a commitment to fulfilling the needs of our customers allows us to strive for complete customer satisfaction. The mission of Electron Machine Corporation to provide rugged high quality products and superior service sets the standard for refractometers in the pulp & paper, food, and chemical processing industries.