IFR COM-120C, Operation Manual

Page: 37 / 326

1-20
SECTION 1
I N T R O D U C T I O N
D I G I T A L VO L T M ET ER
R a n g e s :
R a n g e :
D C :
A C :
R e s o l u t i o n :
A c c u r a c y :
F r e q u e n c y :
I n p u t I m p e d a n c e :
5 0 m V t o 2 0 0 V i n a 1 - 2 - 5 s e q u e n c e
1 0 m V t o 2 0 0 V d c ( S C O P E / D V M i n p u t )
1 0 m V t o 2 0 0 V r m s ( S C O P E / D V M i n p u t )
1 5 0 m V t o 1 5 V r m s ( A U D I O / D A T A i n p u t )
3 . 5 d i g i t
± 5 % f u l l s c a l e , ± 5 m V ± 1 d i g i t
( S C O P E / D V M i n p u t )
± 7 % f u l l s c a l e , ± 5 m V ± 1 d i g i t
( A U D I O / D A T A i n p u t )
D C , 5 0 H z t o 2 0 k H z
1 M
Ω
u n b a l a n c e d ( S C O P E / D V M / S I N A D
i n p u t )
1 0 0 k
Ω
, u n b a l a n c e d ( A U D I O / D A T A i n p u t )
O SC I L L O SC O PE
B a n d w i d t h ( 3 d B ) : 5 0 k H z
V e r t i c a l
R a n g e s :
M a x i m u m I n p u t :
A c c u r a c y :
R e s o l u t i o n :
C o u p l i n g :
1 0 m V t o 5 0 V / d i v i n a 1 - 2 - 5 s e q u e n c e
2 0 0 r m s
5 % f u l l s c a l e
1 % f u l l s c a l e , 2 5 6 d a t a p o i n t s , 8 m a j o r
d i v i s i o n s
D C , A C a n d G N D
H o r i z o n t a l
R a n g e s :
R e s o l u t i o n :
A c c u r a c y :
I n p u t I m p e d a n c e :
1 0 0 µ s t o 2 0 0 m s / d i v i n a 1 - 2 - 5 s e q u e n c e
1 % f u l l s c a l e , 5 0 0 d a t a p o i n t s , 1 0 m a j o r
d i v i s i o n s
1 % f u l l s c a l e
1 M
Ω
, u n b a l a n c e d ( n o m i n a l )