Portable Dual Gas Detector can simultaneously monitor CO₂ gas levels and other gases such as O₂, CO, NH₃, or H₂S. Employ advanced electrolyte and electrochemical sensors. Offers a range of detection limits, typically spanning from very low concentrations to high levels from 0.04 to 5.00 % for CO₂ and 0.0 to 30.0 % for O₂, ensuring comprehensive monitoring.