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

Humidity test requirements 0 b7 ?4 H& q5 k' M9 m" i* @

Various

60335-1(ed.4);am1;am2 & 61010-1(ed.2) & 60601-1(ed.3) & 60950-1(ed.2) & 60065(ed.7);am1 9 B4 C" h" G* x% J- E

Standard(s): IEC 60065/2001
A1/2005
1 N' E; @" n( m7 M. F) ZIEC 60950-1/2005
IEC 60601-1/2005
8 O/ R" B& m  J# P4 r5 @$ NIEC 61010-1/2001
! F; q; q: `" L" EIEC 60335-1/2001
9 ?! S! _' b0 ~" _* l" ?% v& gA1/2004
A2/2006
Sub clause(s): Various
& o2 R# P  `: S( ZSheet N°: 624/07
CTL-WG4
Page: 1(1)
( ?' R9 ~0 ^$ A! U% ]Subject(s): Humidity test
requirements
$ @, [- D6 u6 z4 f$ gKey words:
- 93% RH
- +/-3% RH tolerance
. X# _0 t1 t+ _% Y- 20 – 30°C
# Y& A1 r, d% d5 k* H- CMeeting:
Decision confirmed
3 p; v8 r( {0 L7 k5 fat 45th CTL meeting
& n" b1 j, q8 K8 g* xQuestion: Various IEC standards have requirements for humidity/temperature
9 `  d7 i1 P/ a  G7 n0 Z5 Fconditioning, 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)
" E9 w9 `2 Q  D& U0 G+ _( k# h" DIEC 61010-1 – 92,5 + 2,5%/-2,5% (t 40°C +/- 2°C)
- a: \4 r' |5 F+ v. fIEC 60335-1 – 93 + 3%/- 3% (t 20-30°C +/-1°C)
8 v) l, P$ ^% ^2 R' f7 v9 mThere does not seem to be a technical justification for the differences in the
/ C1 ?- ]! ?9 }' S! u0 v; @specifications.
2 A4 s2 q2 u3 {1 IAccordingly, it is suggested and recommended that the humidity/temperature
specifications in the above standards be consistent.
" f; v# N2 \8 {Decision: 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
( \6 \. i3 V- Q3 g  a; ywithin +/- 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 N$ m( _! [5 F. k% I$ t" MThe tolerances permitted in CTL DSH 251A (+/-6% RH) are allowed in other
/ c( }" D* J8 o# Y5 S9 p4 ]! o  dparts of the humidity chamber, away from the reference point.
& r7 r8 v1 C7 V' W( A