BS ISO 17657-4 : 2005 AMD 17299
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
RESISTANCE WELDING - WELDING CURRENT MEASUREMENT FOR RESISTANCE WELDING - PART 4: CALIBRATION SYSTEM
08-31-2007
11-23-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Construction of calibration system
4.1 Reference welding current measuring system
4.2 Test set-up
4.3 Basic feature for calibration of welding current
measuring system
4.4 Basic feature for calibration of current sensor
4.5 Basic feature for calibration of welding current
meter without sensor
5 Physical environment and operating conditions
6 Calibration requirements
6.1 Reference welding current measuring system
6.2 Reference current sensor
6.3 Data acquisition device
6.4 Test stage and power sources
7 Test report
7.1 Test report for calibration of welding current
measuring systems
7.2 Test report for calibration of current sensors
7.3 Test report for calibration of welding current
meters without sensors
8 Test procedure
8.1 General
8.2 Calibration of welding current measuring system
8.3 Calibration of current sensor
8.4 Calibration of welding current meter without sensor
8.5 Special calibration cases
Annex A (informative) Measuring set-up
Annex B (informative) Items to be recorded or filed as reference
documentation for calibration
Annex C (informative) Examples of the test report in accordance
with this part of ISO 17657
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