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| DSH 546 r/ D% P! n& c7 c( ?: ~+ A. P
" J8 V; s, m0 z& r4 p
| Relative humidity* M' h6 U" h7 ?! \1 a
| 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)) K6 Q+ g# M/ F/ d( F! o
| 60335-1(ed.4) & 61010-1(ed.2) & 60601-1(ed.2);am1;am2 & 60065(ed.7)
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0 u d4 k1 X, B8 T$ a, LStandard(s):1 J1 i5 r0 m. q; h% I, ?
IEC 60065/2001! b$ \* D9 p- n; O) L
IEC 60335-1/2001
6 t! T5 S! T3 Q. X: GIEC 60601-1/1988 + A2/1995
* H. Q2 x( Y5 B, Q& N) y! rIEC 61010-1/2001: e$ M2 x! [# x$ i1 D/ K/ \7 a
Sub clause(s):
: h4 G: Z+ y1 D- `3 R& y10.2
6 E& g6 ]4 C- A3 O6 M# c7 _15.37 ?- [. ]5 V1 V! S5 q4 o: w
4.10
u4 @" B5 m; S) J: o- [6.8.21 o" t$ p( C- o" X U
Sheet N°:1 X8 L5 A9 U7 ?6 ]/ {0 [
DSH - 5464 b! Q1 l6 b/ g1 R% C/ R4 N
Subject: Relative humidity Key words:( g6 Y$ b( W& i- b9 ]
- Relative humidity. e' m' f+ C2 h3 |; v; U$ i
- Range
) S" l5 j. v' [5 j* g, Y- Percentage, Z+ U2 R+ R2 i1 R4 m5 s$ {
- IECEE-CTL/193/INF, w5 T( o9 x- s s* u" L3 D x
Decision taken at the
* o5 h% @1 Y- @& L3 B, b41st CTL meeting.
; O& x$ E$ F7 ^: g- y8 ZQuestion:% o+ u5 z- O! b' W& V
Various IEC standards require that specific tests be performed in a humidity chamber. The
: I, F# Q7 f7 d% ]. y: @3 M/ Rspecification of the relative humidity is in several formats. How should the tolerance on the$ ]. m5 a9 I/ Q
relative humidity specification be interpreted?/ e7 o6 L, h- |, O( P. E# w
Decision:" ?4 C' [4 b* Y/ R5 o
(1) Unless clearly noted otherwise, the tolerance specified for humidity is considered to9 P$ O. ?) G& z$ i' l5 E
be in percent relative humidity, % RH.
, Q" v% D+ C- N. x" }- @( W(2) It is intended that the set point of the humidity chamber controller be set within the
9 L& X; y6 j7 t+ I& }# w7 Ispecified range and that the humidity remains within the specified range.7 J( {# r0 T8 m% q! X
(3) Confirmation that humidity is within the specified range shall be made by a humidity' Y1 |! K6 w7 C$ y
measuring instrument according to CTL DSH 251A.
8 A1 K, B) W7 q8 U
% N* ]9 e% r' B4 t% C, F/ y
+ ~5 p- Z* t% B; t0 ]$ W9 F |
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