ISO 7428-1:2024

Indisponible en français

Publiée (Edition 1, 2024)

ISO 7428-1:2024

CHF 98

Convertir les francs suisses (CHF) dans une autre devise

Résumé

This document specifies the evaluation method for size and concentration indices of fine bubbles generated from the fine bubble showerhead device. It is only applicable to fine bubble dispersion in water generated from fine bubble showerhead devices using air. It describes the sampling method for fine bubble dispersion in water from the fine bubble showerhead devices into the retention container and the measurement procedure of size and concentration indices.

NOTE The discharging drive force for fine bubble showerhead devices is applied using a pump or water pressure. Therefore, the test of the subject device is performed under environmental conditions including such a practical environment.

Informations générales

État actuel
: Publiée

Date de publication
: 2024-05

Stade
: Norme internationale publiée [60.60]
Edition
: 1
Comité technique :
ISO/TC 281

ICS :
07.030
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