IEC 60721-3-9 Ed. 2.0:2024 (b)
環境条件の分類－第3部：環境パラメータの分類グループ及びその厳しさ－第1章：保管
Classification of environmental conditions - Part 3-9: Classification of groups of environmental parameters and their severities - Microclimates inside products
発行年月日：
2024-04-11
状態：
有効
邦訳版：
無
英語 34ページ
22,770 円（税込） 本体価格：20,700円
| 規格概要 | IEC 60721-3-9:2024 classifies groups of microclimatic conditions, to which components (basic parts, assemblies, built-in units) can be subjected inside products, which are used under the climatic conditions as classified in IEC 60721-3-3 and IEC 60721-3-4. This second edition cancels and replaces the first edition published in 1993, Amendment 1:1994 and Corrigendum 1:1995. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Clause 2 has been updated; b) Clause 4 has been re-edited and simplified; c) Annex A has been revised and updated; d) a new Annex B has been added and gives the origin of the constitutional diagram for humid air, which is the basis of drawing the climatogram for a microclimate. |
|---|---|
| TC |
TC 104 |
| ICS |
19.040 |
| 備考 |
