The Rotronic CL11 is a carbon dioxide detector designed for environmental testing, measuring concentrations from 0 to 5000 ppm. Key features include its reliability and accuracy in gas detection, accompanied by an oxygen sensor. It is typically used in monitoring air quality in residential, commercial, or industrial settings. https://elecena.pl/product/28726286/rotronic-cl11-co2-detector-0-5000-ppm-with-humidity-amp-temp-monitoring 2025-05-18 https://elecena.pl/product/28726286/rotronic-cl11-co2-detector-0-5000-ppm-with-humidity-amp-temp-monitoring 2026-07-04