IEC 61482-1-1:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-1: Test methods - Method 1: Determination of the arc rating (ATPV or EBT50) of flame resistant materials for clothing
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
31-12-2021
English - French, Spanish, Castilian
27-05-2009
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols and units
4 Principle of the test methods
4.1 Test method A
4.2 Test method B
5 Significance and use of the test methods
6 Test apparatus
6.1 General
6.2 Method A - Arrangement of the two-sensor panels
6.3 Method A - Panel construction
6.4 Method B - Arrangement of the mannequins
6.5 Method B - Mannequin construction
6.6 Sensor response
6.7 Calorimeter construction
6.8 Supply bus and electrodes
6.8.1 General
6.8.2 Electrodes
6.8.3 Fuse wire
6.9 Electric supply
6.10 Test-circuit control
6.11 Data acquisition system
7 Precautions
8 Specimen preparation
8.1 Test specimens
8.1.1 Test specimens for method A: two-sensor panel
test
8.1.2 Test specimens for method B: four-sensor
mannequin
8.2 Laundry conditioning of test specimens
9 Calibration
9.1 Data acquisition system precalibration
9.2 Calorimeter calibration check
9.3 Arc exposure and apparatus calibration for the
two-sensor panels and the monitoring sensors
9.3.1 Test apparatus
9.3.2 Positioning of the two-sensor panels, mannequins
and monitoring sensors
9.3.3 Apparatus calibration for the two-sensor panels
and monitoring sensors
9.4 Confirmation of test apparatus setting
10 Test apparatus care and maintenance
10.1 Surface reconditioning
10.2 Care of sensor panels and mannequins
10.3 Care of electrodes
11 Test procedures
11.1 Test parameters
11.2 Sequence of tests
11.2.1 Panels
11.2.2 Mannequins
11.2.3 Test criteria
11.3 Initial temperature
11.4 Specimen mounting
11.4.1 Method A panels
11.4.2 Method B mannequins
11.5 Specimen characteristics
11.6 Test protocol
12 Interpretation of results
12.1 Heat transfer
12.1.1 Determining time zero
12.1.2 Plotting sensor response
12.1.3 Sensor response versus Stoll curve
12.1.4 Determination of heat attenuation factor (HAF)
12.2 Determination of breakopen threshold energy, E[BT50]
12.3 Arc rating
12.4 Visual inspection
13 Test report
Annex A (normative) Measurement of char length
Annex B (informative) Logistic regression technique
Annex C (informative) Heat attenuation factor
Bibliography
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