... Application: Portable Infra Red Gas analyzer , used for analyzing CO,CO2,CH4,SO2,HC,NH3,C2H5OH concentration ... , Cinema etc Public location, also applied as monitoring instrument for Institutional analyzing.While provided with temperature, Humidity, illumination, ... is also can used as a plant photosynthesis testing instrument. Technical SpecificationsDetection Range: 0-100% MaximumRepeat ability:≤ ...