• NBN EN 50241-1 : 2000 AMD 1 2005

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS

    Available format(s): 

    Superseded date:  19-08-2010

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Belgian Standards

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Definitions
    4 General requirements
      4.1 Introduction
      4.2 Construction
    5 Test requirements
      5.1 Introduction
      5.2 General requirements for tests
      5.3 Normal conditions for test
      5.4 Test methods
    6 Field verification equipment
    7 Information for use
      7.1 Labelling and marking
      7.2 Instruction manual
    Annex A (informative) Atmospheric visibility
    Annex B (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    Defines general requirements for the construction and testing of apparatus for the detection and measurement of combustible or toxic gases or vapours in ambient air by measuring the spectral absorption by the gases or vapours over extended optical paths, ranging typically from one metre to a few kilometres.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Belgian Standards
    Status Superseded
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