A method of graduation of acousto-optic alcoholmeters, excluding the dependence of the measurement result of the volume fraction of ethyl alcohol in the operating temperature range on the ambient temperature

N.A. Askerov, A.V. Aprelev

FSUE “VNIIFTRI”, Mendeleevo, Moscow region, Russia
aprelev@vniiftri.ru

Al’manac of Modern Metrology № 2 (34) 2023, pages 121–126

Abstract. A method of graduation of acousto-optic alcoholmeters (AOS) is presented, which excludes the dependence of the measurement result of the volume fraction of ethyl alcohol in the operating temperature range on the ambient temperature, including a single procedure valid for the entire period of operation of the alcoholmeter, completed with two-channel graduated cuvettes.

Keywords: alcoholic beverages, volume fraction of ethyl alcohol, acousto-optic alcoholmeter, graduation, cuvette, reference channel, measuring channel, frequency.

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