kaalumismeetod, mille puhul kogutud vedeliku netomass tuletatakse taara- ja brutomassist, mis on määratud vastavalt enne ja pärast vedeliku suunamist mõõtemahutisse teatud aja jooksul, weighing method in which the net mass of fluid collected is deduced from the tare and gross weights determined respectively before and after the fluid has been diverted for measured time interval into the weighing tank