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
Abstract
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.
Begin
2025-05-12
WI
00238102
Planned document number
DIN EN ISO 6145-7/A1
Project number
06236944
Responsible national committee
NA 062-05-73 AA - Gas analysis and gas quality
Responsible european committee
CEN/TC 238 - Test gases, test pressures, appliance categories and gas appliance types
Responsible international committee
ISO/TC 158/WG 5 - Static and dynamic methods
draft standard
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
2025-11
Order from DIN Media