{"id":238813,"date":"2024-10-19T15:36:35","date_gmt":"2024-10-19T15:36:35","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60068-3-12011\/"},"modified":"2024-10-25T10:18:01","modified_gmt":"2024-10-25T10:18:01","slug":"bs-en-60068-3-12011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60068-3-12011\/","title":{"rendered":"BS EN 60068-3-1:2011"},"content":{"rendered":"
This part of IEC 60068 provides guidance regarding the performance of cold and dry heat tests.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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6<\/td>\n | English \n CONTENTS <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Selection of test procedures 4.1 General background <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4.2 Mechanisms of heat transfer <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | Figure 1 \u2013 Experimental data on the effect of airflow on surface temperature \nof a wire-wound resistor \u2013 Radial airflow <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | Figure 2 \u2013 Experimental data on the effect of airflow on surface temperature \nof a wire-wound resistor \u2013 Axial airflow <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Figure 3 \u2013 Temperature distribution on a cylinder with homogeneous heat generation in airflow of velocities 0,5, 1 and 2 m x \ns\u20131 <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 4.3 Test chambers <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 4.4 Measurements Table 1 \u2013 Influence parameters when testing heat-dissipating specimens <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Annex A (informative) Effect of airflow on chamber conditions and \non surface temperatures of test specimens <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Environmental testing – Supporting documentation and guidance. Cold and dry heat tests<\/b><\/p>\n |