BS EN ISO 17657-3:2007
Current
The latest, up-to-date edition.
Resistance welding. Welding current measurement for resistance welding Current sensing coil
Hardcopy , PDF
English
31-08-2007
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Physical environment and operating conditions
5 Classification of current sensing coils and
designation of product
5.1 Class of current sensing coils
5.2 Standard values of the conversion coefficient
5.3 Designation of products
6 Requirements for current sensing coils
6.1 Current sensing coil and connecting lead
6.2 Conversion coefficient
6.3 Measuring accuracy
6.4 Mechanical strength
6.5 Setting position error
6.6 Influence of ambient temperature
6.7 Thermal property of cover materials
6.8 Test
7 Test procedures
7.1 Conversion coefficient
7.2 Measuring accuracy
7.3 Mechanical tests
7.4 Setting position error test
7.5 Thermal test
7.6 Contact test
8 Marking
Annex A (informative) Design of current sensing coils
Annex B (informative) Governing parameters of the
conversion coefficient
Annex C (informative) Type of current sensing coils and
their recommended specification range
Annex D (informative) Frequency response of current sensing
coils
Specifies current sensing coils of the toroidal-coil type as a current sensor for welding current meters or a welding current measuring system used to monitor the welding current in resistance welding, and is applicable for both current types, i.e. alternating current of 50 Hz or 60 Hz and direct current.
Committee |
WEE/29
|
DevelopmentNote |
Renumbers and supersedes BS ISO 17657-3. 2007 version incorporates amendment 17297 to BS ISO 17657-3. Supersedes 02/705025 DC. (08/2007)
|
DocumentType |
Standard
|
Pages |
28
|
PublisherName |
British Standards Institution
|
Status |
Current
|
Supersedes |
Standards | Relationship |
NS EN ISO 17657-3 : 1ED 2007 | Identical |
NF EN ISO 17657-3 : 2007 | Identical |
NEN EN ISO 17657-3 : 2007 | Identical |
DIN EN ISO 17657-3:2007-09 | Identical |
NBN EN ISO 17657-3 : 2007 | Identical |
ISO 17657-3:2005 | Identical |
SN EN ISO 17657-3 : 2007 | Identical |
UNI EN ISO 17657-3 : 2008 | Identical |
EN ISO 17657-3:2007 | Identical |
I.S. EN ISO 17657-3:2007 | Identical |
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 |
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