SIST EN ISO 6145-7:2019/oprA1:2026

SLOVENSKI STANDARD
01-januar-2026
Analiza plinov - Priprava kalibracijskih plinskih zmesi z uporabo dinamičnih metod
- 7. del: Termični regulatorji masnega pretoka - Dopolnilo A1: Popravek enačbe
(C.4) (ISO 6145-7:2018/DAM 1:2025)
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)
Gasanalyse - Herstellung von Kalibriergasgemischen mit Hilfe von dynamischen
Verfahren - Teil 7: Thermische Massendurchflussregler – Änderung 1: Berichtigung der
Gleichung (C.4) (ISO 6145-7:2018/DAM 1:2025)
Analyse des gaz - Préparation des mélanges de gaz pour étalonnage à l'aide de
méthodes dynamiques - Partie 7: Régulateurs thermiques de débit massique -
Amendement 1: Correction de la Formule C.4 (ISO 6145-7:2018/DAM 1:2025)
Ta slovenski standard je istoveten z: EN ISO 6145-7:2018/prA1
ICS:
71.040.40 Kemijska analiza Chemical analysis
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
Amendment
ISO 6145-7:2018/
DAM 1
ISO/TC 158
Gas analysis — Preparation of
Secretariat: SAC
calibration gas mixtures using
dynamic methods —
Voting begins on:
2025-11-10
Part 7:
Voting terminates on:
Thermal mass-flow controllers 2026-02-02
AMENDMENT 1: Correction of formula
C.4
ICS: 71.040.40
THIS DOCUMENT IS A DRAFT CIRCULATED
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Reference number
ISO 6145-7:2018/DAM 1:2025(en)

DRAFT
ISO 6145-7:2018/DAM 1:2025(en)
Amendment
ISO 6145-7:2018/
DAM 1
ISO/TC 158
Gas analysis — Preparation of
Secretariat: SAC
calibration gas mixtures using
dynamic methods —
Voting begins on:
Part 7:
Voting terminates on:
Thermal mass-flow controllers
AMENDMENT 1: Correction of
formula C.4
ICS: 71.040.40
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2025
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland Reference number
ISO 6145-7:2018/DAM 1:2025(en)

ii
ISO 6145-7:2018/DAM 1:2025(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical comm
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