Introducing EZO–Complete USB chemical sensors For end users or engineers Build a monitoring station in minutes with our line of EZO-Complete USB chemical sensors and our free Atlas Desktop software. Log your readings and export to Excel. New! Sale! EZO Complete-pH™ EZO-COM-pH $119.99 $99.99 USD Sale! EZO Complete-ORP™ EZO-COM-ORP $119.99 $99.99 USD Sale! EZO Complete-Dissolved Oxygen™ EZO-COM-DO $119.99 $99.99 USD Sale! EZO Complete-Conductivity™ EZO-COM-EC $119.99 $99.99 USD Sale! EZO Complete-TMP™ EZO-COM-TMP $119.99 $89.99 USD