#You are now connected to USB@COM49 on 2019-03-13 16:34:59.703
#Command@16:35:17.941>Calibrated O2 conc=21Vol%
16:35:18.175>O2=23.14Vol%
>#O2 vol%=20.88
#Command@16:35:24.309>timei=600
16:35:24.566>#Time interval=600.0s