If the supply of the liquid is so arranged that, whatever the conditions of use, no gas or air can form in or penetrate into the reception pipework upstream of the meter during measurement, no gas elimination device is required, provided that any gaseous formation liable to occur during non-flow periods does not cause a specific error in excess of 1 % of the minimum delivery.
Če je dovajanje tekočine urejeno tako, da ne glede na okoliščine uporabe med meritvijo ne more nastati plin ali zrak oz. da plin ali zrak ne more vstopiti v cevovod pred pretočnim merilom, potem naprava za odstranjevanje plina ni potrebna, če nobena plinasta formacija, ki se lahko pojavi, medtem ko ni pretoka, ne povzroči specifične napake, ki presega 1 % najmanjše dovoljene količine.