DSH 546 Relative humidity

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小型摆管淋雨试验机

IPX5X6X7喷水试验机

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家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

DSH 546 : m; }# c6 \$ m. z; g$ y$ H , C& O0 C" m9 u' u

Relative humidity 8 t# _7 G# v1 x' D: 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)

60335-1(ed.4) & 61010-1(ed.2) & 60601-1(ed.2);am1;am2 & 60065(ed.7) # Y- I# F1 r' C% @  P

Standard(s):
IEC 60065/2001
IEC 60335-1/2001
4 [& N/ ^8 R4 Y* n0 HIEC 60601-1/1988 + A2/1995
+ G& f% @% ]! Q3 y% PIEC 61010-1/2001
: F* J3 e; @- l2 y' KSub clause(s):
2 j3 L( [4 O, O% @10.2
9 N$ V! U! z- C8 ]- z, c, [15.3
/ k; V/ d, U% R! n# o4.10
% \: d: l4 P0 I7 q& L6.8.2
Sheet N°:
DSH - 546
Subject: Relative humidity Key words:
# [8 k, a' Q! ]  ~' i- Relative humidity
2 P5 Q9 s# U& y- M, y- Range
- Percentage
: N- ]3 P9 ^/ A) e. y. n8 n- IECEE-CTL/193/INF
Decision taken at the
41st CTL meeting.
Question:
; g: k; V1 q# Q) wVarious IEC standards require that specific tests be performed in a humidity chamber. The
, h3 k- A! d4 @' [1 U+ @specification of the relative humidity is in several formats. How should the tolerance on the
; N0 b9 ]# p- Trelative humidity specification be interpreted?
Decision:
(1) Unless clearly noted otherwise, the tolerance specified for humidity is considered to
) O$ h3 \7 p- Gbe in percent relative humidity, % RH.
. S1 ?7 Q7 g! d9 r6 i! L7 ^, u(2) It is intended that the set point of the humidity chamber controller be set within the
7 [- A9 F2 y# ?8 R3 l5 {specified range and that the humidity remains within the specified range.
3 O: M$ ?3 n$ `$ K; N  r2 Y0 ^- R+ e# a(3) Confirmation that humidity is within the specified range shall be made by a humidity
measuring instrument according to CTL DSH 251A.
# C. g) J1 A' E6 u& l

& |3 x. R# m2 P, R% Y  {) P