Foreword
Introduction
Scope
Normative references
Terms and definitions
Principle
Test equipment and materials
General requirement
Test equipment
Test procedure
Preliminary tests
Setting the shielding gas flow rate
Measuring the flow rates and determination of leakage
Establishing the arcing time for total fume emission rate test
Setting up the test equipment
Capture efficiency tests
General
Test procedure
Calculation of the results
Test parameters for generating capture efficiency data
Test report
Equipment notes (informative)
General
Filters
Extraction fan
Equipment for measuring shielding gas flow rate
Test pieces
Device for measuring static pressure
Devices for measuring mass flow rate
Interference-free environment
Trial tests (normative)
Setting the welding conditions
Establishing the flow rate in the test chamber sampling duct
Selecting the isokinetic sampler
Establishing the test time for total fume emission rate test
Examples of test chambers (informative)
Test procedures (normative)
Attaching the leads for measuring voltage and current
Setting the CTWD
Data processing for test method 3 (informative)
Test parameters form to be filled (normative)
Information about the necessity to measure leakage (informative)
Bibliography