Specification: Measurement range : So2(micro-flow ndir):0-2000 ppm No(micro-flow ndir): 0-2000 ppm Co(micro-flow ndir): 0-5000ppml O2(electrochemistry):0-25% vol Resolution: So2/no/co:1 ppm, o2: 0.01% Precision:ía2% fs Response time:ín15s Dimension:rack type 19 inch 3u Weight:approximately 10kg 3u casing