Baananan fitilar Barometric

–E13.1402–.AsaFitilar Fitar Barometric

Don nuna alamun fitarwa a cikin iskar gas mai ƙarancin ƙarfi. Ya ƙunshi bututu 6 na dogon gilashin gilashi wanda aka rufe shi, tare da barometric daban-daban a ciki: 40, 10, 3, 1, 0.1, 0.02 mm mercury column.