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 % F3 B* _. M) J1 c0 [$ ^/ m

Humidity test requirements

Various

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

- w( n, K: W5 ]Standard(s): IEC 60065/2001
2 P% }$ I  v, A$ ]( X  gA1/2005
" i  n/ d8 }: {0 dIEC 60950-1/2005
IEC 60601-1/2005
IEC 61010-1/2001
6 n& A  W2 k( ^( ~1 o' F# sIEC 60335-1/2001
A1/2004
" T. F$ p8 K; N) |2 H: pA2/2006
Sub clause(s): Various
Sheet N°: 624/07
CTL-WG4
Page: 1(1)
Subject(s): Humidity test
% i- X) [; O$ \& ^* q  e5 Erequirements
: {1 r# `+ v$ LKey words:
- 93% RH
; Z: P! F" s& h3 t0 E" b0 P- +/-3% RH tolerance
" J$ ~; V7 ?: {5 Z- R- 20 – 30°C
Meeting:
8 a. E) @0 \* Q! iDecision confirmed
at 45th CTL meeting
Question: Various IEC standards have requirements for humidity/temperature
conditioning, but have different specifications for the test conditions.
6 ~5 `0 x; L& F9 h* vIEC 60065 – 93 +2%/-3% (t 30°C +0/-2°C)
; r$ P2 p! f2 Z" @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)
IEC 60335-1 – 93 + 3%/- 3% (t 20-30°C +/-1°C)
- V  {; ^" O8 B  p) u; y. KThere does not seem to be a technical justification for the differences in the
specifications.
& q: l9 n5 ~0 V" V/ W2 VAccordingly, it is suggested and recommended that the humidity/temperature
specifications in the above standards be consistent.
5 T. A; S3 k. L4 `- N0 K, R  r6 {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 N+ b4 w5 d4 j/ awithin +/- 2°C during the test.
The standard specifications for the humidity are to be met at the
1 G9 o& {2 S% o, Qreference/measuring point, where the controlling humidity sensor is located.
The tolerances permitted in CTL DSH 251A (+/-6% RH) are allowed in other
parts of the humidity chamber, away from the reference point.
% |% b" N8 V: O$ a