ISO 12242:2012

Measurement of fluid flow in closed conduits — Ultrasonic transit-time meters for liquid

Publication date: Jul 3, 2012

General information

Current stage: 90.93 Effective date: Jul 14, 2020

Originator: ISO

Owner: ISO/TC 30/SC 5

Type: International Standard

ICS: 17.120.10

Languages: English

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Status: Published

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Scope

ISO 12242:2012 specifies requirements and recommendations for ultrasonic liquid flowmeters, which utilize the transit time of ultrasonic signals to measure the flow of single-phase homogenous liquids in closed conduits.
There are no limits on the minimum or maximum sizes of the meter.
ISO 12242:2012 specifies performance, calibration and output characteristics of ultrasonic meters (USMs) for liquid flow measurement and deals with installation conditions. It covers installation with and without a dedicated proving (calibration) system. It covers both in-line and clamp-on transducers (used in configurations in which the beam is non-refracted and in those in which it is refracted). Included are both meters incorporating meter bodies and meters with field-mounted transducers.

Life cycle

NOW

PUBLISHED
ISO 12242:2012
90.93 Standard confirmed
Jul 14, 2020

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