Alternating Current Measurement - Philips pm2521 Operating Manual

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' t 7
2 . 1 . 4 .
A l t e r n a t i n g c u r r e n t m e a s u r e m e n t s
R a n g e s
p A
2 20 200
m A
2 20 200
2 2 0
1 0 4
1 n A i n r a n g e 2 1 t A
M e a s u r e d v a l u e l e s s t h a n 0 , 5 o / o o f r a n g e i s d i s p l a y e d a s z e r o
2100
4 0 H z - 2 O O H z ! l O , 4 y " o f r e a d i n g + O , 1 5 % o f r a n g e )
I ( 0 , 0 3 % o Í r e a d i n g / o C + g , g 1 o f r a n g e / o C )
R a n g e
Voltage drop
F req uency
2 l t A
2 0 1 t A
2OO 1t A
2 m A
( 2 . 5 m V
5 0 H z
2 0 m A
2 0 0 m A
< 2 5 m V
2
A
2 0 4
( 2 5 0 m V
M a x i m u m i n p u t c u r r e n t i n r a n g e 2 0 A
R e s o l u t i o n
N u m b e r o f r e p r e s e n t a t i o n u n i t s
Accu racy
( v a l i d b e t w e e n 3 % a n d 1 0 0 % o f r a n g e )
T e m p e r a t u r e c o e f f i c i e n t
V o l t a g e d r o p o v e r s h u n t
A C d e t e c t o r
R M S c o n v e r t o r , a c c o u p l e d
C r e s t f a c t o r
2 a t r a n g e e n d
R e s p o n s e t i m e
1 s w i t h o u t r a n g i n g
3 s i n c l u d i n g r a n g i n g
P r o t e c t i o n
R a n g e 2 p A
2 0 m A ; 2 b 0 V r m s
R a n g e 2 0 0 m A - 2 0 A a r e n o t p r o t e c t e d
l m a x . = 2 0 A f o r 2 0 s e c o n d s
M a x i m u m C o m m o n M o d e v o l t a g e
4 0 0 V r m s , b 6 0 V p e a k
M a x i m u m i n p u t v o l t a g e
I n a l l r a n g e s :
B e t w e e n H i a n d L o
2 5 0 V r m s
B e t w e e n H i a n d e a r t h
4 0 0 V r m s
B e t w e e n L o a n d e a r t h
4 0 0 V r m s

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