- The portable Bühler O2 analyser model BA 4000 Inj. is a special unit for determining oxygen in low gas volumes. This analyser is a modification of the BA 4000, primarily used in the food industry to analyse small residual amounts in modified atmosphere packaging, bottles or tins. The O2 content in insulating glass panes can also be determined. We offer two versions:
- The BA 4000 Inj. GV is used for volumes > 1.2 floz.
- The BA 4000 Inj. KV is used for gas volumes < 1.2 floz. This analyser is operated by an external vacuum pump. There are different puncturing devices available, depending on the type of packaging.
- The optional pressure gauge allows for comparison measurements in vacuum packaging. With the electronic correction when using the pressure gauge, no zero gas is required for zero gas calibration. In addition, the zero point may be corrected between N2 and CO2.