IEC 61482-1-1 : 1.0

Table of Contents

FOREWORD<br>1 Scope<br>2 Normative references<br>3 Terms, definitions and symbols<br>&nbsp;&nbsp;&nbsp;3.1 Terms and definitions<br>&nbsp;&nbsp;&nbsp;3.2 Symbols and units<br>4 Principle of the test methods<br>&nbsp;&nbsp;&nbsp;4.1 Test method A<br>&nbsp;&nbsp;&nbsp;4.2 Test method B<br>5 Significance and use of the test methods<br>6 Test apparatus<br>&nbsp;&nbsp;&nbsp;6.1 General<br>&nbsp;&nbsp;&nbsp;6.2 Method A - Arrangement of the two-sensor panels<br>&nbsp;&nbsp;&nbsp;6.3 Method A - Panel construction<br>&nbsp;&nbsp;&nbsp;6.4 Method B - Arrangement of the mannequins<br>&nbsp;&nbsp;&nbsp;6.5 Method B - Mannequin construction<br>&nbsp;&nbsp;&nbsp;6.6 Sensor response<br>&nbsp;&nbsp;&nbsp;6.7 Calorimeter construction<br>&nbsp;&nbsp;&nbsp;6.8 Supply bus and electrodes<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.8.1 General<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.8.2 Electrodes<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.8.3 Fuse wire<br>&nbsp;&nbsp;&nbsp;6.9 Electric supply<br>&nbsp;&nbsp;&nbsp;6.10 Test-circuit control<br>&nbsp;&nbsp;&nbsp;6.11 Data acquisition system<br>7 Precautions<br>8 Specimen preparation<br>&nbsp;&nbsp;&nbsp;8.1 Test specimens<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.1.1 Test specimens for method A: two-sensor panel <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;test<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.1.2 Test specimens for method B: four-sensor <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mannequin<br>&nbsp;&nbsp;&nbsp;8.2 Laundry conditioning of test specimens<br>9 Calibration<br>&nbsp;&nbsp;&nbsp;9.1 Data acquisition system precalibration<br>&nbsp;&nbsp;&nbsp;9.2 Calorimeter calibration check<br>&nbsp;&nbsp;&nbsp;9.3 Arc exposure and apparatus calibration for the <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;two-sensor panels and the monitoring sensors<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.3.1 Test apparatus<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.3.2 Positioning of the two-sensor panels, mannequins <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and monitoring sensors<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.3.3 Apparatus calibration for the two-sensor panels <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and monitoring sensors<br>&nbsp;&nbsp;&nbsp;9.4 Confirmation of test apparatus setting<br>10 Test apparatus care and maintenance<br>&nbsp;&nbsp;&nbsp;10.1 Surface reconditioning<br>&nbsp;&nbsp;&nbsp;10.2 Care of sensor panels and mannequins<br>&nbsp;&nbsp;&nbsp;10.3 Care of electrodes<br>11 Test procedures<br>&nbsp;&nbsp;&nbsp;11.1 Test parameters<br>&nbsp;&nbsp;&nbsp;11.2 Sequence of tests<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.2.1 Panels<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.2.2 Mannequins<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.2.3 Test criteria<br>&nbsp;&nbsp;&nbsp;11.3 Initial temperature<br>&nbsp;&nbsp;&nbsp;11.4 Specimen mounting<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.4.1 Method A panels<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.4.2 Method B mannequins<br>&nbsp;&nbsp;&nbsp;11.5 Specimen characteristics<br>&nbsp;&nbsp;&nbsp;11.6 Test protocol<br>12 Interpretation of results<br>&nbsp;&nbsp;&nbsp;12.1 Heat transfer<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12.1.1 Determining time zero<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12.1.2 Plotting sensor response<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12.1.3 Sensor response versus Stoll curve<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12.1.4 Determination of heat attenuation factor (HAF)<br>&nbsp;&nbsp;&nbsp;12.2 Determination of breakopen threshold energy, E[BT50]<br>&nbsp;&nbsp;&nbsp;12.3 Arc rating<br>&nbsp;&nbsp;&nbsp;12.4 Visual inspection<br>13 Test report<br>Annex A (normative) Measurement of char length<br>Annex B (informative) Logistic regression technique<br>Annex C (informative) Heat attenuation factor<br>Bibliography

Abstract

Describes test methods to measure the arc thermal performance value of materials intended for use in heat- and flame-resistant clothing for workers exposed to the thermal effects of electric arcs and the function of garments using these materials.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 78
Supersedes	IEC 61482-1 : 1.0