Accurate Sensors Technologies (AST) manufactures infrared thermometers. The company offers a complete line of pyrometers and accessories for non-contact temperature monitoring in industries including steel, aluminum, nonferrous, glass, cement, and R&D. Field tests performed on AST pyrometers under actual production conditions worldwide have shown that the company's pyrometers have a temperature measurement error of less than 1% regardless of emissivity or intermediate conditions and fluctuations. AST also produces specialized plug-and-play pyrometers for the aluminum industry. Its other products include single-color infrared pyrometers, dual wavelength or multiwavelength infrared pyrometers, fiber-optic pyrometers, and pyrometers for nonmetallic surfaces. Accurate Sensors Technologies is part of Pyrotech Group