Yes, Hach has recently ...
Published by Sean Naaykens, Global Key Account Manager
Yes, Hach has recently updated its DR300 Pocket Colorimeter, with improved connectivity and data transfer capabilities. It can measure 17 different parameters, including ozone. Please visit the Hach.com website for more info, or call 1.800.227.4224. A datasheet is attached here for your info as well.