EN ISO 17657-2:2007
Current
The latest, up-to-date edition.
Resistance welding - Welding current measurement for resistance welding - Part 2: Welding current meter with current sensing coil (ISO 17657-2:2005)
20-06-2007
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Physical environment and operating conditions
5 Classification of welding current meters with
their current sensing coil, and designation
of product
5.1 Classes of welding current meter with
current sensing coil
5.2 Designation of product
6 Requirements for welding current meter with
current sensing coil
6.1 Welding current meter
6.2 Current sensing coil
6.3 Welding current meter with its current
sensing coil
6.4 Integrator
6.5 Data processing unit
6.6 Display unit and output ports
6.7 Minimum and maximum duration of welding current
6.8 Maximum measuring current
6.9 Minimum measuring current
6.10 Phase-controlled current
6.11 Minimum time for current measurement
6.12 Fluctuation of supply voltage
6.13 Mechanical strength of current sensing coil
6.14 Setting position error of current sensing coil
6.15 Influence of ambient temperature
6.16 Test
6.16.1 Type test
6.16.2 Acceptance test
7 Test procedures
7.1 Maximum measuring current
7.2 Minimum measuring current
7.3 Phase-controlled current
7.4 Minimum time for current measurement
7.5 Fluctuation of supply voltage
7.6 Thermal test
8 Marking
Annex A (normative) Definition of indicated measuring
time and its indicated current value
A.1 Indicated measuring time
A.2 Welding current value for the indicated
measuring time
Annex B (informative) Set-up of a current sensing coil
and construction of welding current meters
ISO 17657-2:2005 specifies a welding current meter with a current sensing coil to measure the weld time and the r.m.s. value of the welding current during a certain interval using single phase alternating current of frequency of 50 Hz or 60 Hz, or direct current.
Committee |
CEN/TC 121
|
DocumentType |
Standard
|
PublisherName |
Comite Europeen de Normalisation
|
Status |
Current
|
Standards | Relationship |
DIN EN ISO 17657-2:2007-09 | Identical |
BS EN ISO 17657-2:2007 | Identical |
NBN EN ISO 17657-2 : 2007 | Identical |
SN EN ISO 17657-2 : 2007 | Identical |
I.S. EN ISO 17657-2:2007 | Identical |
UNE-EN ISO 17657-2:2008 | Identical |
NEN EN ISO 17657-2 : 2007 | Identical |
NS EN ISO 17657-2 : 1ED 2007 | Identical |
UNI EN ISO 17657-2 : 2008 | Identical |
ISO 17657-2:2005 | Identical |
NF EN ISO 17657-2 : 2007 | Identical |
ISO 17657-1:2005 | Resistance welding — Welding current measurement for resistance welding — Part 1: Guidelines for measurement |
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 |
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