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开关上的0/1标识丝印(模压不算)是需要进行汽油擦拭试验,理由是:
& n* e: m. ^1 T3 ~6 u( ]1 t8 [IEC 61058-1(GB 15092.1), Cl. 8.9中有具体要求:* ?7 z* N. Y% R1 J
8.9 The required marking shall be legible and durable.4 S0 o2 H& x4 r& G
Compliance with the requirements of 8.1 to 8.8 is checked by inspection and 3 W, ]2 d/ p2 |, I
by rubbing the marking by hand as follows:
% }/ \ V5 |, d) M# f' W2 D; ~) ~/ Da) 15 back-and-forth movements in about 15 s with a piece of cloth soaked
* h$ A' h" S" [% e% G# xwith distilled water, followed by
" G* C" e, A* T- D8 Zb) 15 back-and-forth movements in about 15 s with a piece of cloth soaked , g5 i. Q" U1 J( n1 x7 |
with petroleum spirit.
& {% H \' j H: t. GDuring the tests, the soaked piece of cloth shall be pressed on the marking : C! {& u! }$ i2 r3 n8 v
with a pressure of about 2 N/cm2.9 O$ v2 {; ?2 u2 d, Y
After these tests, the marking shall still be legible.4 a: ^/ I$ C! O/ a9 t
7 L$ O5 B4 P% o' F4 x如测试通不过,是不符合标准要求的。 |
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