|
|
|  DSH 546
' G* v q' @) \, o' z
& j: R: V& l* I9 q9 i! r | Relative humidity
5 l% l' r K" y9 n( ^ | 10.2 (IEC 60065/2001) 15.3 (IEC 60335-1/2001) 4.10 (60601-1/1988 +A2/1995) 6.8.2 (IEC 61010-1/2001)
% M% D# n7 h; W | 60335-1(ed.4) & 61010-1(ed.2) & 60601-1(ed.2);am1;am2 & 60065(ed.7)( N$ {$ j. A2 z0 V
|
& l5 ^9 c. p- o; ?8 y
Question:
) S% ?* w4 R& L( v" v* }$ gVarious IEC standards require that specific tests be performed in a humidity chamber. The
$ a, f/ i$ Z" _, p* J# ]specification of the relative humidity is in several formats. How should the tolerance on the8 v/ L& K5 U8 y8 F
relative humidity specification be interpreted?6 t; I; A- ]& [/ V( o; V# E, Y
Decision:2 f% l) L% o4 A. D
(1) Unless clearly noted otherwise, the tolerance specified for humidity is considered to
9 h' y# Q, ?& _: l( P3 j dbe in percent relative humidity, % RH.5 q6 T8 [( U) p
(2) It is intended that the set point of the humidity chamber controller be set within the
* z* [! l9 y3 G& Aspecified range and that the humidity remains within the specified range.7 M" }0 S9 w, ^! X0 \
(3) Confirmation that humidity is within the specified range shall be made by a humidity
h# \: W* }. z; z# V9 Kmeasuring instrument according to CTL DSH 251A.) Q: X4 a! d1 u# X: f
/ [& [- ^1 L( h* @# ?
5 w! i0 C& H( { k$ v) z$ z |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-9 15:40
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡