DSH 624/07 Humidity test requirements

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

DSH 624/07 . ?4 K! G# T1 L1 D2 V. Y9 G

Humidity test requirements

Various # V  y$ T7 [9 M/ N; Y% }

60335-1(ed.4);am1;am2 & 61010-1(ed.2) & 60601-1(ed.3) & 60950-1(ed.2) & 60065(ed.7);am1 6 H$ M% F" B3 C7 }* k7 \

Standard(s): IEC 60065/2001
0 E1 _' Y! J# I4 Q5 @$ ^A1/2005
IEC 60950-1/2005
IEC 60601-1/2005
IEC 61010-1/2001
IEC 60335-1/2001
+ p4 X! \5 {% r6 y9 v$ q- @# [' ?, L* |A1/2004
A2/2006
Sub clause(s): Various
1 W$ V2 {+ T: `4 o3 p1 p# S& m8 FSheet N°: 624/07
CTL-WG4
Page: 1(1)
6 {; z- T( j( H, R) G) tSubject(s): Humidity test
( }+ m2 c/ [! W, f8 V, F3 Lrequirements
Key words:
- 93% RH
" X# t7 H2 d1 |- +/-3% RH tolerance
$ Z, F. @: y. z; ?- 20 – 30°C
Meeting:
Decision confirmed
0 H/ N; I9 f1 Pat 45th CTL meeting
. Z6 P$ \: }2 _, b$ |Question: Various IEC standards have requirements for humidity/temperature
% @1 h. I% ]) `% _! N) X7 T0 |6 vconditioning, but have different specifications for the test conditions.
IEC 60065 – 93 +2%/-3% (t 30°C +0/-2°C)
IEC 60950-1 – 91% - 95% (t 20-30°C +/-1°C)
" g  C* m3 Z4 IIEC 60601-1 – 93 + 3%/-3% (t 20-30°C)
IEC 61010-1 – 92,5 + 2,5%/-2,5% (t 40°C +/- 2°C)
IEC 60335-1 – 93 + 3%/- 3% (t 20-30°C +/-1°C)
There does not seem to be a technical justification for the differences in the
specifications.
. ^% X7 H7 D, X1 c' XAccordingly, it is suggested and recommended that the humidity/temperature
specifications in the above standards be consistent.
2 Q% U7 v$ g! e  P  E% z- lDecision: The chamber is to be set at 93% RH, with +/-3% RH tolerance, at a convenient
temperature between 20°C and 30°C, but the chosen temperature to be kept
within +/- 2°C during the test.
The standard specifications for the humidity are to be met at the
; X5 ]5 P# m/ u/ Treference/measuring point, where the controlling humidity sensor is located.
) u$ {. y' f9 PThe tolerances permitted in CTL DSH 251A (+/-6% RH) are allowed in other
; L% D5 w5 l; W, R4 _6 i4 Qparts of the humidity chamber, away from the reference point.
3 r# v' u3 Q( O

/ n) E/ Y' B% `. `4 @3 o