There are installed in the unit Oxygen, Carbon monoxide, Carbon dioxide, high accuracy humidity, VOC oil vapour sensors.
The sensors accuracy matchs the EN12021, ANSI/CGA G-7.1-2004, NAVSEA US NAVY DIVING MANUAL 1999, NATO STANAG norms.
The unit is equipped with a printer for printing a test result on-the-fly
https://www.youtube.com/watch?v=ObqVEhyLRW4