依照下面的标准要求进行
From IEC 61010-1 Page 57:
5.3 Durability of markings
Markings in accordance with 5.1.2 to 5.2 shall remain clear and legible under conditions of
NORMAL USE and resist the effects of cleaning agents specified by the manufacturer.
Conformity is checked by inspection and by performing the following test for durability of
markings on the outside of the equipment. The markings are rubbed by hand, without undue
pressure, for 30 s with a cloth soaked with the specified cleaning agent (or, if not specified,
with isopropyl alcohol
The markings shall be clearly legible after the above treatment, and adhesive labels shall not
have worked loose or become curled at the edges |