SN EN ISO 17657-1 : 2007
Current
The latest, up-to-date edition.
RESISTANCE WELDING - WELDING CURRENT MEASUREMENT FOR RESISTANCE WELDING - PART 1: GUIDELINES FOR MEASUREMENT
12-01-2013
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 |
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, flexible and cost effective.