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About This Item

 

Full Description

BS EN ISO 6145-7:2018 is a series of documents dealing with various dynamic methods used for the preparation of calibration gas mixtures. This document specifies a method for continuous preparation of calibration gas mixtures, from nominally pure gases or gas mixtures by use of thermal mass-flow controllers. The method is applicable to preparation of mixtures of non-reacting species, i.e. those which do not react with any material of construction of the flow path in the thermal mass-flow controller or the ancillary equipment.


Cross References:
ISO 6145-1
ISO 7504
ISO 19229
ISO 6143
ISO 12963
GUM:1995
ISO 6142-1
ISO/IEC Guide 98-3:2008
ISO 14511:2001


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS EN ISO 6145-7:2018

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    Gas analysis. Preparation of calibration gas mixtures using dynamic methods-Thermal mass-flow controllers

    • Most Recent
  2. BS EN ISO 6145-7:2010


    Gas analysis. Preparation of calibration gas mixtures using dynamic volumetric methods-Thermal mass-flow controllers

    • Historical Version
  3. BS ISO 6145-7:2001


    Gas analysis. Preparation of calibration gas mixtures using dynamic volumetric methods-Thermal mass-flow controllers

    • Historical Version