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ISO 6145-7:2018/PRF Amd 1

Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 7: Thermal mass-flow controllers — Amendment 1: Correction of Formula C.4

General information

50.20     Jul 24, 2026

ISO

ISO/TC 158

International Standard

71.040.40  

Life cycle

PREVIOUSLY

PUBLISHED
ISO 6145-7:2018

NOW

PROJECT
ISO 6145-7:2018/PRF Amd 1
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Jul 24, 2026

National adoptions

naSRPS EN ISO 6145-7:2019/A1:2025  
ISS

Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers - Amendment 1: Correction of formula C.4 (ISO 6145-7:2018/DAM 1:2025)

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