arvesti, mille puhul gaasi mahtu mõõdetakse gaasi suunamise teel trumlisse, millel on teadaoleva mahuga sektsioonid, mis on suletud vee või muu vedelikuga
meter in which the volume of gas is measured by admitting the gas to a drum having compartments of known volume which are seakled by water or other liquid
In a wet gas meter, the drum rotates under the influence of the gas pressure differential and the gas is displaced from the compartments by the sealing liquid.
