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. EZO Complete-pH™ EZO-COM-pH $124.99 USD EZO Complete-ORP™ EZO-COM-ORP $124.99 USD EZO Complete-Dissolved Oxygen™ EZO-COM-DO $132.99 USD EZO Complete-Conductivity™ EZO-COM-EC $145.99 USD EZO Complete-TMP™ EZO-COM-TMP $114.99 USD Build a monitoring station in minutes with our line of EZO-Complete USB chemical sensors and our free Atlas Desktop software. EZO Complete-pH™ EZO-COM-pH $124.99 USD EZO Complete-ORP™ EZO-COM-ORP $124.99 USD EZO Complete-Dissolved Oxygen™ EZO-COM-DO $132.99 USD EZO Complete-Conductivity™ EZO-COM-EC $145.99 USD EZO Complete-TMP™ EZO-COM-TMP $114.99 USD