#You are now connected to USB@COM50 on 2019-03-15 11:10:48.268
11:11:01.158>O2=20.65Vol%
#Command@11:11:05.559>Calibrated O2 conc=21Vol%
11:11:05.772>#O2 vol%=16.04
#Command@11:11:49.310>timei=300
11:11:49.515>#Time interval=300.0s