The DR900 portable colorimeter allows for quick and easy access to your most frequently used testing methods in less than four clicks. This colorimeter is waterproof, dustproof, shock resistant, and has been drop tested for greater quality assurance. This instrument comes with an intuitive user interface, large data storage, and a built-in USB port for the easy transfer of information. The portable colorimeter also helps satisfy core testing needs by offering at least 90 of the most common testing parameters.