CLC/TS 61482-1:2003
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Live working - Flame-resistant materials for clothing for thermal protection of workers - Thermal hazards of an electric arc - Part 1: Test methods
10-03-2023
12-12-2003
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Principle of the test methods
5 Significance and use of the test methods
6 Test apparatus
6.1 Method A - Arrangement of the two-sensor panels
6.2 Panel construction
6.3 Method B - Arrangement of the mannequins
6.4 Method B - Mannequin construction
6.5 Sensor response
6.6 Calorimeter construction
6.7 Supply bus and electrodes
6.8 Electric supply
6.9 Test-circuit control
6.10 Data acquisition system
7 Precautions
8 Sampling and specimen preparation
8.1 Test specimens for methods A and B
8.2 Laundry conditioning of test specimens
9 Calibration
9.1 Data acquisition system precalibration
9.2 Calorimeter calibration check
9.3 Arc exposure calibration
9.4 Apparatus calibration for the two-sensor panels,
mannequins and monitor sensors
9.5 Confirmation of test apparatus setting
10 Apparatus care and maintenance
10.1 Surface reconditioning
10.2 Care of sensor boards and mannequins
11 Test procedures
11.1 Test parameters
11.2 Order of tests
11.3 Initial temperature
11.4 Specimen mounting
11.5 Specimen data
11.6 Test protocol
12 Interpretation of results
12.1 Heat transfer
12.2 Determination of breakopen threshold energy
12.3 Visual inspection
13 Test report
Annex A (normative) Measurement of char length
Annex B (informative) Statistical analysis - Review of the
methods and formulas for determining ATPV and HAF
B.1 Background
B.2 Determining ATPV
B.3 Determining ATPV 95 %
B.4 Heat attenuation factor
Bibliography
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