DIN EN ISO 6145-7/A1:2025-11
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); German and English version EN ISO 6145-7:2018/prA1:2025 / Note: Date of issue 2025-10-24*Intended as an amendment to DIN EN ISO 6145-7 (2019-07).
| Fecha edición: |
2025-11-01
En Vigor
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| Idiomas disponibles: | Alemán, Inglés |
| Resumen: | This document specifies a method for continuous production of calibration gas mixtures, containing two or more components, from pure gases or other gas mixtures by use of commercially available thermal mass-flow controllers. Dieses Dokument legt ein Verfahren zur kontinuierlichen Herstellung von Kalibriergasgemischen mit zwei oder mehr Komponenten aus reinen Gasen oder anderen Gasgemischen mithilfe handelsüblicher thermischer Massendurchflussregler fest. |
| Keywords: | Calibration gases|Control samples|Eyelets|Flow regulators|Flows|Gas analysis|Gas mixtures|Gas-volumetric analysis|Mass flow rates|Mathematical calculations|Orifices|Preparation|Production|Specimen preparation|Test gases|Thermal|Volumetric analysis |
| ICS: | 71.040.40 - Análisis químico |
| CTN: |










