Direct Current Measurement - Philips pm2521 Operating Manual

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2 . 1 . 3 . D i r e c t 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
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
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
1tA
2 20 200
m A 2 20 200
A 2 2 0
1 0 4
1 nA in range 2 pA
2100
! (O,2 % of reading + O,O5 o/o of range)
! (O,O2 % of reading /oC + 0,005 o/o of range loCl
R a n g e V o l t a g e d r o p
2 pA
20 1tA
200 pA
2 m A
( 2 , 5 m V
2 0 m A
2 0 0 m A
( 2 5 m V
2 A
2 0 4
( 2 5 0 m V
R e s p o n s e t i m e
0 , 7 s w i t h o u t r a n g i n g
1 , 5 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 5 0 V r m s
Range 200 mA - 20 A are not protected
l m a x . = 2 0 A Í 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 , 5 6 0 V p e a r
M a x i m u m i n p u t v o l t a g e s
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
Between Lo and earth 400 V rms