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Pls see IEC60950, 4.2.6, as below:
+ h+ k! H$ S. K4.2.6 Drop test
( X' G3 D3 ^- K9 U* d$ g& ]; DThe following equipment is subjected to a drop test:
$ B; b8 |0 z; N' t− HAND-HELD EQUIPMENT;9 ~# ?0 j3 N& B6 J" {
− DIRECT PLUG-IN EQUIPMENT;
. s, t. \1 n$ Z! \1 T x/ {- N0 s− TRANSPORTABLE EQUIPMENT;
0 U& w9 b" E; q+ S U. H1 m" f8 Y' f− desk-top equipment having a mass of 5 kg or less that is intended for use with any one of
& _% x, c% l2 [/ ^) p+ ?0 k, Z6 nthe following:
8 U+ K1 \2 m# a0 z( z• a cord-connected telephone handset, or
. ^9 Q8 M5 z) ], l! m7 J• another cord-connected hand-held accessory with an acoustic function, or+ G, h% r! e4 w+ z# o& X
• a headset;
% s4 V9 P$ u: X1 E, c* y% }+ ?− MOVABLE EQUIPMENT requiring lifting or handling by the USER as part of its intended use., x3 |+ A+ n% h# W# j- v! M
NOTE An example of such equipment is a paper shredder that rests on a waste container, requiring its removal to
0 n; ^/ o( G- q1 G" Z$ Cempty the container.
K+ e1 e! `' E, F3 K. h9 oTo determine compliance, a sample of the complete equipment is subjected to three impacts
1 `5 K' m* e4 Rthat result from being dropped onto a horizontal surface in positions likely to produce the most1 N& c D. j2 D
adverse results.
/ L' E/ \4 a- }, p. c7 \8 ~9 lThe height of the drop shall be:
& j7 N+ A4 K& A, ~− 750 mm ± 10 mm for desk-top equipment as described above;( G- m! l: ^- y* `6 ^: {
− 750 mm ± 10 mm for MOVABLE EQUIPMENT as described above;
. ^2 A6 C3 [5 {0 y1 b− 1 000 mm ± 10 mm for HAND-HELD EQUIPMENT, DIRECT PLUG-IN EQUIPMENT and
2 M u+ Z1 U% {9 l+ e) O! oTRANSPORTABLE EQUIPMENT.
2 B' W8 f# p; ~; L2 d% T! a# KThe horizontal surface consists of hardwood at least 13 mm thick, mounted on two layers of
) ]7 H. }" @; m8 t) ]plywood each 19 mm to 20 mm thick, all supported on a concrete or equivalent non-resilient% Q4 l( ?- \ M& I$ U9 K7 g' }
floor.) F/ z/ g) b6 r2 g3 m/ @
Compliance criteria are in 4.2.1. |
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