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Pls see IEC60950, 4.2.6, as below:* }" F& F) E9 {
4.2.6 Drop test9 ^ I- n! R5 ?9 F: ]# S3 N0 Z
The following equipment is subjected to a drop test:+ {3 i H7 { p) r. L* k* i \% a
− HAND-HELD EQUIPMENT;' L" |3 D& o; h. k) {
− DIRECT PLUG-IN EQUIPMENT;1 g& i' Q3 R0 V. q3 s8 w
− TRANSPORTABLE EQUIPMENT;1 R5 E3 r& v' _7 ^- d
− desk-top equipment having a mass of 5 kg or less that is intended for use with any one of
; O6 [1 f/ F: |the following:
5 `- c+ R) ?7 h" a* }+ `• a cord-connected telephone handset, or
& G. ~$ e9 n1 `" R• another cord-connected hand-held accessory with an acoustic function, or
" n2 @/ X. W& o) z• a headset;! I/ d% @7 T0 f! K1 a% L( h
− MOVABLE EQUIPMENT requiring lifting or handling by the USER as part of its intended use.% e( b* I! V Q, O2 Y
NOTE An example of such equipment is a paper shredder that rests on a waste container, requiring its removal to
% C4 U0 Z1 Q- s8 u. L. c' mempty the container.
# D( ?- g' a _% D- eTo determine compliance, a sample of the complete equipment is subjected to three impacts
% y: L; b) y0 Rthat result from being dropped onto a horizontal surface in positions likely to produce the most
( Y) o4 b& W% tadverse results.& o% s) @1 s$ N @2 ?- v# ?* J& o) d
The height of the drop shall be:
$ P8 S/ S+ v7 Q8 k8 l' P− 750 mm ± 10 mm for desk-top equipment as described above;- P3 `& G; u# [- \% `. I- s
− 750 mm ± 10 mm for MOVABLE EQUIPMENT as described above;
) _0 k+ C$ e8 ^/ N: q0 T; f− 1 000 mm ± 10 mm for HAND-HELD EQUIPMENT, DIRECT PLUG-IN EQUIPMENT and& [; w- g# b) v H' T4 w2 e( _
TRANSPORTABLE EQUIPMENT.( l+ g8 L# k! r5 \* G
The horizontal surface consists of hardwood at least 13 mm thick, mounted on two layers of+ a0 `5 c7 E% j% ]2 Q% m
plywood each 19 mm to 20 mm thick, all supported on a concrete or equivalent non-resilient, r* ^* L: o0 V4 E, t
floor.- }. a% }* h4 j7 f6 K1 s& H
Compliance criteria are in 4.2.1. |
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