The EC9820 CO2 analyzer combines microprocessor control with NDIR gas filter correlation photometry to provide accurate measurements of CO2 with minimal interference from CO and/or H2O in the range of 0-3000 ppm, resolution equals 0.1ppm or to a range of 0-full scale from 0-200ppm to 0-3000ppm with 0%, 5%, 10% offset.
