O2 and CO2 Analyzer for research processes, gas blending, biotech, and other systems. The Model 902P O2 CO2 analyzer measures 0 to 100% O2 concentrations, and 0-1% to 0-100% CO2 vol/vol full scale, in a variety of process, research, and biotech applications. Options include internal sample pump, battery operation, analog outputs, and complete data collection option (including analysis software for long term experiments).