on flat samples 78 cm² or 134 cm² round

WVTR down to 10 -5 g/(m²d) (TDLAS HiBarSense®)
WVTR down to 10 -3 g/(m²d) (BRUGGER WDDG)
OTR down to 5*10 -2 g/(m²d) MOCON OX/TRAN 2/20