DSH 546 Relative humidity

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 546 & r, J$ h7 B5 L 3 @* e" q- F  f# }* n

Relative humidity . W7 G5 V2 P4 v

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)

$ o: n8 R+ N2 V: U+ {Question:
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
: q* |7 ]/ M" I+ z7 |' {relative humidity specification be interpreted?
Decision:
. ~  H, c, v# d( H' C. x. R(1) Unless clearly noted otherwise, the tolerance specified for humidity is considered to
) E0 p2 g, h- D$ A# r8 `% Fbe in percent relative humidity, % RH.
% T& y1 H4 i$ F(2) It is intended that the set point of the humidity chamber controller be set within the
specified range and that the humidity remains within the specified range.
$ Z9 a" }# k" x. K) d# S(3) Confirmation that humidity is within the specified range shall be made by a humidity
measuring instrument according to CTL DSH 251A.

  U  {$ H3 K- p. a' r3 P