Kikusui tos6200, Operation Manual

Page: 149 / 157

TOS 6200/6210 A -5
A
ppendix
T est current
A llowable
resistance value
T est time R emarks
25 A A C or DC
( 30 A in C a n a d a )
0.1
Ω
or less 1 min ut e • Tes t v o l tag e m u s t be 12 V or less .
• C a lc u l at e a r esis ta nce v a l u e f ro m t he fl o win g c urr en t a nd v o l tag e
d ro p .
• I n me a s ur emen t s o f r esis ta nce , d o n ot incl u de t he v a l u e f or t he A C
p o we r c or d's p rot ec t ive grou ndin g wi r e .
O r de r o f 10 A A C 0.1
Ω
or less 1 to 4 sec • Use a p o we r s u pply wi t h a n o- l oa d v o l tag e o f 12 V or less .
• Exe r cise c ar e s o t h at t es t r es u l t s ar e n ot a ffec t ed by t he c o n ta c t
r esis ta nce be t ween a t es t e r 's p ro be a nd t he me ta l p art bein g t es t ed .
0.2
Ω
or less
10 A or gr e at e r
( 50 or 6 0 Hz)
See Rem ar ks ( 0.1
Ω
or eq u iv a len t p ro-
vided t h at t he t es t
c urr en t is 10 A ) .
10 sec or
l o n g e r
The me a s ur ed v o l tag e v a l u e at a t es t p o in t m u s t n ot exceed t he f o l -
l o win g v a l u es .
When t he effec t ive sec t i o n a l ar e a o f p rot ec t ive c o nd u c tor is
1.0 mm
2
or less: 3.3 V m a xim u m
1.5 mm
2
or less: 2. 6 V m a xim u m
2.5 mm
2
or less: 1. 9 V m a xim u m
4 .0 mm
2
or less: 1. 4 V m a xim u m
6 .0 mm
2
or less: 1.0 V m a xim u m
1. 25 A DC or 25 A A C or
2. 1.5 t imes t he rat ed device c ur-
r en t,
whicheve r is gr e at e r.
0.1
Ω
or less Not speci -
fied
• Use a n A C or DC p o we r s u pply wi t h a n o- l oa d v o l tag e o f 12 V or less .
• I n c a se o f d ou b t s , c o n t in u e t es t in g u n t il a s t e a dy s tat e is atta ined .
• Resis ta nce me a s ur emen t s sh ou ld n ot incl u de t he v a l u e f or t he A C
p o we r c or d .
• Exe r cise c ar e s o t h at t he t es t r es u l t s ar e n ot a ffec t ed by t he c o n ta c t
r esis ta nce be t ween t he end o f a me a s ur in g p ro be a nd a me ta l p art.
1. 25 A ( 50 or 6 0 Hz) or
2. 1.5 t imes t he rat ed device c ur-
r en t,
whicheve r is gr e at e r.
0.1
Ω
or less 5 to 10 sec • The n o- l oa d v o l tag e m u s t be 6 V or less .
1.5 t imes t he c urr en t c a p a ci t y o f
ci r c u i t s g ene rat in g d a n g e rou s v o l t-
ag es .
Not e t h at t his sh ou ld be 25 A or
less A C or DC .
0.1
Ω
or less Not speci -
fied
• The t es t v o l tag e m u s t be 12 V or less .
• I n me a s ur emen t s o f r esis ta nce , d o n ot incl u de t he v a l u e f or t he A C
p o we r c or d's p rot ec t ive grou ndin g wi r e .
I f t he rat in g o f t he t es t ci r c u i t is 1 6
A or less , 1.5 t imes t he t es t ci r c u i t
rat in g.
0.1
Ω
or less 6 0 sec • The t es t v o l tag e m u s t be 12 V or less .
• C a lc u l at e a r esis ta nce v a l u e f ro m t he v o l tag e d ro p .
• I n me a s ur emen t s o f r esis ta nce , d o n ot incl u de t he v a l u e f or t he A C
p o we r c or d's p rot ec t ive grou ndin g wi r e .
I f t he rat in g o f t he t es t ci r c u i t is
m or e t h a n 1 6 A, 2 t imes t he t es t
ci r s u i t rat in g.
See Rem ar ks . 2 min ut es • The t es t v o l tag e m u s t be 12 V or less .
• The v o l tag e d ro p in t he p rot ec t ive b o ndin g c o nd u c tor m u s t n ot
exceed 2.5 V .
• I n me a s ur emen t s o f r esis ta nce , d o n ot incl u de t he v a l u e f or t he A C
p o we r c or d's p rot ec t ive grou ndin g wi r e .
1. 25 A DC or 25 A A C ( at t he
rat ed f r eq u ency o f t he p o we r
s u pply)
2. 2 t imes t he rat ed device c ur-
r en t,
whicheve r is gr e at e r.
0.1
Ω
or less 1 min ut e • I n me a s ur emen t s o f r esis ta nce , d o n ot incl u de t he v a l u e f or t he A C
p o we r c or d's p rot ec t ive grou ndin g wi r e .
F or pe r m a nen t ly ins ta lled eq u ip -
men t, a c urr en t t wice t h at o f t he
o ve r c urr en t p r even t i o n me a ns speci -
fied by t he ins ta ll at i o n m a n ua l .
See Rem ar ks . 1 min ut e • The v o l tag e d ro p sh ou ld n ot exceed 10 V DC or A C .
Not specified See Rem ar ks . Not speci -
fied
• C o n t in u i t y sh ou ld be de t ec t ed d ur in g e art h c o n t in u i t y t es t in g.