Providers of the worlds most r ed in-line process refractometers. As a pioneer in developing the industrial use of refractive index, our r edly 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 r ed high quality products and superior service sets the standard for refractometers in the pulp & paper, food, and chemical processing industries.