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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:: x1 ~( P0 j4 s* [( S7 T4 c
IEC 61058-1(GB 15092.1), Cl. 8.9中有具体要求:: v* {& F3 L+ r i! X/ ~
8.9 The required marking shall be legible and durable.; G# @& P/ ], y0 e4 [& i
Compliance with the requirements of 8.1 to 8.8 is checked by inspection and 7 D5 f% @3 h2 E0 h+ q
by rubbing the marking by hand as follows:. u% r* Y: V/ X* v, s) d
a) 15 back-and-forth movements in about 15 s with a piece of cloth soaked ], N' @1 V, y' G2 k) z e
with distilled water, followed by" Y' f9 d. d4 P3 ~; [& [2 V9 q
b) 15 back-and-forth movements in about 15 s with a piece of cloth soaked
! I7 Q( [& Y7 H, ~with petroleum spirit.# r1 [7 T+ Z, q6 o& c, ? i( f# J4 s
During the tests, the soaked piece of cloth shall be pressed on the marking 9 |' E5 t. B9 k0 j9 Z
with a pressure of about 2 N/cm2.
6 g9 }, C. w& S3 o' { g, B, m0 \After these tests, the marking shall still be legible.8 w2 W! m. w! D# K$ L% y3 m
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如测试通不过,是不符合标准要求的。 |
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