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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:
% x* Z( |- e2 E2 jIEC 61058-1(GB 15092.1), Cl. 8.9中有具体要求:6 m( @' k4 w- r4 S% }! M
8.9 The required marking shall be legible and durable.
5 c( y- W6 T, f' e0 h; LCompliance with the requirements of 8.1 to 8.8 is checked by inspection and ! M% w# |7 f+ _( r
by rubbing the marking by hand as follows:
- U0 c0 n3 E3 }$ d8 p) w$ F1 M' |a) 15 back-and-forth movements in about 15 s with a piece of cloth soaked
* z) N+ Z- G5 ]2 _( H. T' F$ |with distilled water, followed by' z+ b$ k; H9 K' ~7 ?1 J
b) 15 back-and-forth movements in about 15 s with a piece of cloth soaked
' R4 y8 }5 D+ U! s% g5 n9 [% rwith petroleum spirit.
( H- }% p2 c& @% ^/ PDuring the tests, the soaked piece of cloth shall be pressed on the marking
& _( ^* v& _; h; S8 hwith a pressure of about 2 N/cm2.) ^* Q( q2 ^& W d: e
After these tests, the marking shall still be legible.# N- K, f/ U Y" q' ]+ K( q
2 P4 O% ?, x, l1 a4 A如测试通不过,是不符合标准要求的。 |
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