This data logger from the Opus20 series combines CO2 measurement with a temperature and humidity measurement. It displays and records all the values ​​that are important for a pleasant indoor climate. The Opus20 loggers can be used as stand-alone data loggers, but also on an Ethernet network connected to each other. With the included Smartgraph3 software you can easily create graphs and reports. Optionally the MCPS7 software provides a sollution for pharmaceutical applications