DSH 546 Relative humidity

小米

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

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

5 {/ m) ?. |1 ]9 G

DSH 546 / _0 Y, h' C' d+ Z- X" s' s

Relative humidity & c5 H: W, @0 x. G

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) ; t1 G' \, V9 t; J

8 q% u9 s) n/ s# d, i
( t% e: G& }3 ]* k, wStandard(s):
IEC 60065/2001
( i9 P5 F; Q, i& `$ t; ]IEC 60335-1/2001
IEC 60601-1/1988 + A2/1995
IEC 61010-1/2001
Sub clause(s):
$ L* ^2 w4 m  g. L* g& J10.2
15.3
5 ]% Q8 N; ]- r4 k. R4 f" |! g1 R4.10
6.8.2
; ?; R+ R& O* n( I" r1 h# LSheet N°:
) W) }) G% x8 }2 ^$ N% zDSH - 546
Subject: Relative humidity Key words:
' P1 a% |  ^  a6 D) k7 F9 q- Relative humidity
- Range
! h. A( |* v& G7 K# P- Percentage
- IECEE-CTL/193/INF
! R" `8 E- Z2 _1 n' W& [/ E( g; pDecision taken at the
( g- s$ V/ L9 S41st CTL meeting.
# Q1 q- E7 n. G1 ~  f( j& a5 RQuestion:
6 k2 M1 Q$ n9 T2 S( KVarious IEC standards require that specific tests be performed in a humidity chamber. The
specification of the relative humidity is in several formats. How should the tolerance on the
relative humidity specification be interpreted?
1 W! x6 `2 M. v' l0 Z5 E  H* B# H0 S- lDecision:
(1) Unless clearly noted otherwise, the tolerance specified for humidity is considered to
3 Q1 a! T5 o' Tbe in percent relative humidity, % RH.
; B: R2 |% Y) j$ X/ i3 |5 D(2) It is intended that the set point of the humidity chamber controller be set within the
specified range and that the humidity remains within the specified range.
, ^+ ~/ B+ C- D! H: s( r! q8 B(3) Confirmation that humidity is within the specified range shall be made by a humidity
measuring instrument according to CTL DSH 251A.
& |, _# G- P5 o2 g6 a& V6 C( N

& r+ t7 ?- z( V# j