Aktívna norma | Vydaná: 03.07.2012

ISO 12242:2012

Measurement of fluid flow in closed conduits — Ultrasonic transit-time meters for liquid
(Mesurage de débit des fluides dans les conduites fermées — Compteurs ultrasoniques pour liquides)

Dostupné jazyky: Anglicky

Dostupné prevedenie: Elektronické PDF, Tlačené

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Podrobné informácie

Označenie: ISO 12242:2012

Dátum vydania: 03.07.2012

Stránok: 69

Krajina: Medzinárodná technická norma

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Anotácia

Description / Abstract: 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.

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