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SN EN ISO 17657-1 : 2007

Current

Current

The latest, up-to-date edition.

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

Published date

12-01-2013

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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

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

DocumentType
Standard
PublisherName
Swiss Standards
Status
Current

Standards Relationship
EN ISO 17657-1:2007 Identical
ISO 17657-1:2005 Identical
BS EN ISO 17657-1:2007 Identical
UNI EN ISO 17657-1 : 2008 Identical
DIN EN ISO 17657-1:2007-09 Identical

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