Gasmeter 4 L

 Volume: 4 L
  Pressure: from vacuum to 2 bar
 Temperature: ambient

  Volume: ± 0.1 cc
 Pressure:± 10^-4 bar
 Temperature: ± 0.1°C

Gasmeter10 L

 Volume: 10 L
 Pressure: from vacuum to10 bar
 Temperature: ambient to 60°C

 Volume: ± 0.01 cc
 Pressure:± 10^-4 bar
 Temperature: ± 0.1°C