S(1) Part 1: System Enclosure Leakage Current - Nc (Normal Condition); S(1) Part 2: System Enclosure Leakage Current - Single Fault (Open Earth) - Philips M3001A Service Manual

Patient Safety Checks

S(1) Part 1: System Enclosure Leakage Current - NC (normal condition)

L (N)
N (L)
Expected test results:
Measures leakage current of exposed metal parts of Instrument under Test (IUT) and between
parts of the system within the patient environment; normal and reversed polarity using S2.
Safety test according IEC 60601-1 / UL2601-1

S(1) Part 2: System Enclosure Leakage current - Single Fault (open earth)

L (N )
S 1
N (L )
S 4
160
S2
S1
S4 (*)
PE
MD
Normal condition maximum leakage current x1 ≤ 100µA
S 2
P E
M D
Medical electrical system
Instrument under test
(*) Not present in Class 2.
(**) Can be multiple different connections to different equipment at same time.
M e d ic a l e le c t r ic a l s y s t e m
In s t r u m e n t u n d e r te s t
(** ) C a n b e m u ltip le d if fe re n t c o n n e c tio n s to d iffe re n t e q u ip m e n t a t s a m e tim e .
Signal parts Signal parts
(**)
in- and/or in- and/or
output
output
Other
Instrument
Applied part
S ig n a l p a rts S ig n a l p a rts
(** )
in - a n d /o r
in - a n d /o r
o u tp u t o u tp u t
O th e r
In s t r u m e n t
A p p lie d p a rt
Testing the Instrument