Monitoring system for Lab Scale Chemical Process Installation: Measuring Cl2 in a highly corrosive environment. Share Now Share on facebook Share on twitter Share on linkedin System designed for laboratory experiments to measure Cl2 Requirements: A custom modular monitoring system for online monitoring of chemical and environmental parameters. Able to operate in harsh / corrosive environment (high Cl2, HCl, HOCl) Active sampling and possibility for inline filters Measure high concentrations of Cl2, CO2, CO and PM2.5. Measure humidity and temperature.