• DIN EN ISO 17657-1 E : 2007

    Current The latest, up-to-date edition.

    RESISTANCE WELDING - WELDING CURRENT MEASUREMENT FOR RESISTANCE WELDING - PART 1: GUIDELINES FOR MEASUREMENT

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

    Add To Cart

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Welding current measuring system
      4.1 General
      4.2 Applicability
      4.3 Accuracy
      4.4 Welding current meter with current sensing coil
    5 Current sensors
      5.1 Type of sensor
      5.2 Selection of current sensor
      5.3 Conversion coefficient
    6 Tests and calibration of the welding current measuring
      systems
    7 Selection of requirements and test procedures for a
      welding current measuring system
    Annex A (normative) Definition of weld times
    Annex B (informative) Types of integrator and equivalent
                          current sensing coil circuits
    Annex C (informative) Conversion coefficient and maximum
                          output voltage of current sensing
                          coils
    National Annex NA (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies equipment for the calibration of measuring systems of welding current and indicating weld time in resistance welding using single-phase alternating current of frequency 50 Hz or 60 Hz, or direct current.

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

    Development Note Supersedes DIN ISO 17657-1 E. (11/2007)
    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 17657-5:2005 Resistance welding Welding current measurement for resistance welding Part 5: Verification of welding current measuring system
    ISO 17657-2:2005 Resistance welding Welding current measurement for resistance welding Part 2: Welding current meter with current sensing coil
    DIN ISO 669:2001-06 RESISTANCE WELDING - RESISTANCE WELDING EQUIPMENT - MECHANICAL AND ELECTRICAL REQUIREMENTS
    ISO 17657-3:2005 Resistance welding Welding current measurement for resistance welding Part 3: Current sensing coil
    ISO 17657-4:2005 Resistance welding Welding current measurement for resistance welding Part 4: Calibration system
    ISO 669:2016 Resistance welding Resistance welding equipment Mechanical and electrical requirements
    • 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