Arizona Instrument LLC was founded in 1981 by a group of engineers from Motorola. Arizona Instrument, then known as Quintel Corporation, was dedicated to providing precision moisture analysis instruments that were accurate, reliable, and easy to use.

Over the years the company expanded its Computrac® moisture analysis line and became an accepted leader in moisture analysis, setting a standard that has been adopted by many Fortune 500 companies. The Computrac® line is comprised of two technologies: a rapid loss-on-drying and a moisture specific, GREEN alternative to Karl Fischer.