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 e# V- `0 q8 t  [7 j ; `4 l4 U/ s. t% B

Humidity test requirements + M; `& X6 `0 L7 p* e! j' ]7 _- Q

Various

60335-1(ed.4);am1;am2 & 61010-1(ed.2) & 60601-1(ed.3) & 60950-1(ed.2) & 60065(ed.7);am1

Standard(s): IEC 60065/2001
4 U% S  L- u+ a; F3 Z3 d" lA1/2005
IEC 60950-1/2005
+ J5 w1 f/ h6 j* l" c7 @6 xIEC 60601-1/2005
7 X9 `5 N* y1 ~- s; r% uIEC 61010-1/2001
" H$ A& C- c/ O1 O+ S6 GIEC 60335-1/2001
A1/2004
A2/2006
2 h  d2 o/ s3 `Sub clause(s): Various
Sheet N°: 624/07
7 X4 f8 s) j7 }" i) `+ NCTL-WG4
( r5 C% w; t4 b1 dPage: 1(1)
Subject(s): Humidity test
requirements
Key words:
) M- z! n  D2 p; N% q/ T- 93% RH
# W$ @6 `! q) n4 v: v+ [) Y7 T( z- +/-3% RH tolerance
- 20 – 30°C
Meeting:
Decision confirmed
at 45th CTL meeting
( D5 V- E% h' J6 _Question: Various IEC standards have requirements for humidity/temperature
4 P+ K/ E# o. w$ h7 s% y. |/ O9 {conditioning, 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)
IEC 60601-1 – 93 + 3%/-3% (t 20-30°C)
IEC 61010-1 – 92,5 + 2,5%/-2,5% (t 40°C +/- 2°C)
. r& u; ^0 _  k& _. T( ^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.
6 M( z: p& z' e1 H" Y' SAccordingly, it is suggested and recommended that the humidity/temperature
specifications in the above standards be consistent.
Decision: The chamber is to be set at 93% RH, with +/-3% RH tolerance, at a convenient
" X; E1 K# i3 Z8 i. ztemperature between 20°C and 30°C, but the chosen temperature to be kept
6 R  S  _1 c2 f1 O2 M: n  m& ~within +/- 2°C during the test.
The standard specifications for the humidity are to be met at the
reference/measuring point, where the controlling humidity sensor is located.
0 b; Q0 y8 d; Y% [& TThe tolerances permitted in CTL DSH 251A (+/-6% RH) are allowed in other
$ D" |$ Z* e* G6 R% |& T' |parts of the humidity chamber, away from the reference point.