Ambient Portable Ozone Monitor S Series is designed for Ozone gas monitoring. The measurement range is 0 – 0.15 ppm 0-0.5 ppm Ambient Ozone Monitor and Controller with Data Logger incorporates user configurable alarms, 0-5V analog output, and transistor control facilities for activating external alarms, devices and systems. Plus onboard data logging and RS232 interface with a PC for plotting gas concentrations in real time. Data can be exported for generating reports. Software and cables are supplied.