Skip to content
Please enter a keyword to search

  • SN EN 50271 : 2010

    Current The latest, up-to-date edition.

    ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES, TOXIC GASES OR OXYGEN - REQUIREMENTS AND TESTS FOR APPARATUS USING SOFTWARE AND/OR DIGITAL TECHNOLOGIES

    Available format(s): 

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Swiss Standards

    Sorry this product is not available in your region.

    Add To Cart

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

    1 Scope
    2 Normative references
    3 Definitions
    4 Design principles
       4.1 General design requirements
           4.1.1 Analogue/digital interface
           4.1.2 Numerical errors
           4.1.3 Measuring operation
           4.1.4 Special state indication
           4.1.5 Digital indication
           4.1.6 Digital reading (not applicable to
                 alarm only apparatus)
       4.2 Software
       4.3 Hardware
       4.4 Data transmission
    5 Test of the digital unit
       5.1 Verification of functional concept
       5.2 Performance test

    Abstract - (Show below) - (Hide below)

    Gives requirements and tests for electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen using software and/or digital technologies. Applies to fixed, transportable and portable apparatus intended for use in domestic premises or in industrial applications where safety integrity levels 1 or 2 of IEC 61508 or safety categories 1 or 2 of EN 954-1 are required.

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

    Committee SC 31-9
    Document Type Standard
    Publisher Swiss Standards
    Status Current
    Superseded By
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective