|
|
|  DSH 546- _8 `. U5 J: @' T5 l f
) z/ D& ]) }- x V4 W: f | Relative humidity- z) p) |3 K! m9 }( i; 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) _0 N/ H! Q/ b( c! \" K! j1 s
| 60335-1(ed.4) & 61010-1(ed.2) & 60601-1(ed.2);am1;am2 & 60065(ed.7)/ b7 X: i s0 @' V0 b2 c
|
. m* i5 P' U1 i k! `' d/ E7 {Question:# C c3 o( `8 q. W8 ^ K
Various IEC standards require that specific tests be performed in a humidity chamber. The
) r0 K7 P& x( X: q/ u* S$ tspecification of the relative humidity is in several formats. How should the tolerance on the
; y- X; m5 N( b2 F* I: }relative humidity specification be interpreted?" g- B* c, n/ O- d8 K
Decision:
, {" P7 M# \9 S! G+ M(1) Unless clearly noted otherwise, the tolerance specified for humidity is considered to
$ y0 }; I/ F, X5 wbe in percent relative humidity, % RH.
& s7 t5 N2 L7 ]& }! h$ p- S) i; [(2) It is intended that the set point of the humidity chamber controller be set within the
n7 E: p3 W/ ^& r9 E3 T. f* Kspecified range and that the humidity remains within the specified range.
3 u' E% s, ]) u+ _9 b$ b- g(3) Confirmation that humidity is within the specified range shall be made by a humidity. t3 a3 \. y$ F, |
measuring instrument according to CTL DSH 251A.
8 n% k$ |+ Z% a4 k+ P$ X7 h
F5 j3 f6 q' [; s! G" b! L
4 J! A9 T3 P: u6 T+ i% [" h9 f |
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