DSH 546 Relative humidity

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小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

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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

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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 546 3 z5 P' w) U5 o( r( K% o- x# ]# G

Relative humidity

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) $ c4 k# a$ p( f6 A; M

5 Z" H; N( [4 U* `: T* B: E+ qStandard(s):
IEC 60065/2001
7 P7 K0 l+ E2 y6 z& @3 V* u8 bIEC 60335-1/2001
. T. a3 d+ ]* Q6 j, s6 MIEC 60601-1/1988 + A2/1995
0 ~6 B; Z# K: ^2 b7 x3 B3 YIEC 61010-1/2001
Sub clause(s):
10.2
- }) ?' T1 P+ p# r' g# Q15.3
) O$ a, z5 ]; G; D$ B' R4 X4.10
6.8.2
3 h/ N7 R" d6 r6 g8 X/ fSheet N°:
$ q' r  m- J2 H7 y9 A- G' e5 J1 eDSH - 546
% T  i9 E2 p! ~7 S3 h7 HSubject: Relative humidity Key words:
- Relative humidity
* `  U' [4 t# B# Z& T2 l- p" ^- Range
- Percentage
5 `8 G" O5 N; f4 e3 a/ u/ c- IECEE-CTL/193/INF
7 s: _3 t4 W* p( V, Y6 cDecision taken at the
41st CTL meeting.
* [& U" q( e. a- G$ v, U6 CQuestion:
Various 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
; a" r1 g0 i0 Y# |( v1 m5 h1 Orelative humidity specification be interpreted?
Decision:
4 k- ~+ e8 D+ n5 Y5 E2 L+ C(1) Unless clearly noted otherwise, the tolerance specified for humidity is considered to
% r: J9 U* N% t' e- Xbe in percent relative humidity, % RH.
- w0 z4 F7 R& ~0 \(2) It is intended that the set point of the humidity chamber controller be set within the
# @7 u5 I! T0 |0 u4 j3 Lspecified range and that the humidity remains within the specified range.
(3) Confirmation that humidity is within the specified range shall be made by a humidity
" u2 K3 d2 R( F+ L) n8 rmeasuring instrument according to CTL DSH 251A.
3 j' ]5 Z( C. m0 i