#You are now connected to USB@COM49 on 2019-05-08 12:17:44.497
13:31:07.927>O2=18.81Vol%
#Command@13:31:12.620>Calibrated O2 conc=21Vol%
13:31:12.857>#O2 vol%=18.70
13:31:15.837>O2=20.95Vol%