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|  DSH 419% I5 X) F( }3 {( s. c2 P8 X
/ A3 `% V6 q* C) w5 ^2 ` | Internal battery for back-up power
. ]$ B! p0 I3 `9 t, e | 6.8.2, 6.8.2 e)
% }* c/ ^) @5 L" W | 60601-1(ed.2);am1;am2- L% J' [5 @1 A/ Q2 o' f
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7 ^, [( b; f6 L5 ^5 z" T- |
Standard(s)- (year and edition):
8 d2 l( F) L6 m8 \5 w( X XIEC 60601-1:1988 Ed.2 Am1+Am2
7 E% l! X" O3 u. M6 ] WSub clause(s): 6.8.2 6.8.2 e)
4 m' V2 I: U4 ]8 u8 D+ ^Sheet n°: DSH-419( N: |; ?5 R7 I! o, _7 M, ~# j1 I
Subject: Internal battery for back-up power$ E5 {, U+ s! |8 b% g' e
Key words: Internal battery, Protective earth terminal
, I6 t) ]* k6 CCe confirmed by CTL at its 39th meeting, in Cologne
1 E& V" m( [ V, ^% z2 x+ RQuestion:' _$ d7 k; x+ L- A
The requirement in this clause seems to be a little unreasonable. Assume for example,# H/ y/ M$ s v0 X5 C q* Y! y7 t
EQUIPMENT with an internal battery intended for back-up power in the event of a failure of the
c4 l6 t6 ?- j: M! A1 {5 ySUPPLY MAINS as a power source. Further, how can one say whether the external& \" E! I0 _# b* ]1 f+ i
PROTECTIVE EARTH CONDUCTOR arrangement is in doubt or not?
0 l& X/ L& J& n. EDecision:: V9 i" l- H" [/ z+ X# _ p3 Z
The Instructions for use shall include for CLASS I EQUIPMENT the following statement:) H6 T, \: e1 r9 y. D
“WARNING: THIS EQUIPMENT MUST ONLY BE CONNECTED TO A SUPPLY MAINS
( Q! c# B- `2 ~/ t0 U3 TWITH PROTECTIVE EARTH.”% Y; d- ^, G0 W- ^
; Z" x' \% [! v7 `" O, A6 t
4 C) q8 e6 |% [9 T- H |
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发表于 2012-11-5 11:05
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