Greisinger-CO²-Transmitter-GT10-CO2-1R-Greisinger-GT10-CO2-P-The-Greisinger-GT10-CO2-1R-is-a-High-Quality-&-Precise-CO-sup 2-Transmitter-works-according-to-the-infrared-principle-NDIR-An-auto-calibration-procedure-compensates-aging-effects-This-ensures-the-excellent-long-term-stability-of-this-transmitter-P-P-Due-to-the-fact-that-CO-sup 2-is-an-important-indicator-for-air-quality-in-rooms-it-is-very-important-for-modern-climate-control-to-measure-the-CO-sup 2-content-P-P-Due-to-