ISO/AWI 4185

Measurement of liquid flow in closed conduits — Weighing method

General information

Current stage: 20.00 New project registered in TC/SC work programme Jun 11, 2026

Originator: ISO

Owner: ISO/TC 30 Measurement of fluid flow in closed conduits

Type: International Standard

Scope

Specifies a method of determining the liquid flow-rate by measuring the mass of liquid delivered into a weighing tank in a known time intervall. Deals in particular with the measuring apparatus, the procedure, the method for calculating the flow-rate and the uncertainties associated with the measurement. Does not cover the cases of corrosive or toxic liquids.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 4185:1980

PUBLISHED
ISO 4185:1980/Cor 1:1993

NOW

IN_DEVELOPMENT
ISO/AWI 4185
20.00 New project registered in TC/SC work programme
Jun 11, 2026