DSH 546 Relative humidity

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小型摆管淋雨试验机

IPX5X6X7喷水试验机

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灯具防风罩

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VDE0620插头插座量规

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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 7 g6 ]& R( z6 k* k5 X

Relative humidity - ]  \+ |1 O# o5 g6 K

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) $ q! y5 k* e8 q7 P

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

6 X7 m4 p. v( ]/ QQuestion:
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
$ [5 P7 j; c" {) A' nrelative humidity specification be interpreted?
% [9 z1 W7 O  r' ZDecision:
: \7 P% y  e" M(1) Unless clearly noted otherwise, the tolerance specified for humidity is considered to
  u7 E! f4 F/ }, k6 f/ Bbe in percent relative humidity, % RH.
(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.
0 v8 p1 ^2 Q- ?5 _4 c( A(3) Confirmation that humidity is within the specified range shall be made by a humidity
# t( i5 V) G3 \5 X) Lmeasuring instrument according to CTL DSH 251A.

# C; f7 a! s6 B. a2 b
, n: u  [; G5 f5 l