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S P E C I F I C A T I O N S - Kenwood HM-250 Instruction Manual

Distortion meter

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3.

S P E C I F I C A T I O N S

[ D i s t o r t i o n
R a t e
M e a s u r e m e n t ]
R a n g e o f
m e a s u r e m e n t :
I n p u t
l e v e l r a n g e :
B a s i c
w a v e f r e q .
r a n g e :
R e s i d u a l
d i s t o r t i o n
r a t e :
H i g h e r
h a r m o n i c s :
( 2 n d t o
5 t h )
B a s i c
w a v e r e j e c t i o n
4
0.1 t o
100% / F . S . in
7 r a n g e s ,
in
1 - 3
s t e p s ( d i s t o r t i o n
1 0 0 m V
t o
1 0 0 V ( w i t h
100%
c a l i b r a t i o n )
^ 3 0 m V o r
m o r e
( a u t o m a t i c
t u n i n g
p o s s i b l e )
2 0 H z
t o
2 0 k H z
in
3 r a n g e s ,
a
f i n e
c o n t r o l
0 . 0 1 % ( T y p i c a l )
( a t
1 k H z ,
S E N S I T I V I T Y
C o n t r o l : m a x )
W i t h i n
± 1 d B
a t
2 0 H z t o
b a s i c
f r e q u e n c y
W i t h i n
± 2 d B
a t
1 0 H z t o
b a s i c
f r e q u e n c y
* ( H i g h e r
h a r m o n i c s ^
6 0 k H z ,
d i s t o r t i o n
r a t e ^
30% )
r a t i o :
8 0 d B o r
m o r e
[ A C
V o l t a g e
R a n g e o f
r a t e ^
3 0 % )
I n d i c a t i o n
R e s i d u a l
F r e q u e n c y
w i t h
[ C o m m o n
M e t e r
i n d i c a t i o n
1 0 k H z
2 0 k H z
X - o u t
c h a r a c t e r i s t i c s : O u t p u t s
M e a s u r e m e n t ]
m e a s u r e m e n t :
1 0 0 i " V
t o
1 0 0 V / F . S .
1 - 3
s t e p s
a c c u r a c y :
w i t h i n ± 3% o f
n o i s e :
5% o r
less
o f
( i n
0 . 1 m V
r a n g e
i n p u t )
r e s p o n s e :
± 0 . 5 d B f r o m
± 1 d B f r o m
( w i t h
r e s p e c t t o
S p e c i f i c a t i o n ]
s y s t e m :
A v e r a g e
v a l u e
e f f e c t i v e
v a l u e
( C a l i b r a t i o n
w a v e )
b a s i c w a v e
in
D M
m o d e .
O u t p u t
v o l t a g e : A p p r o x .
( w h e n
t u n e d
t i o n )
in
f u l l
s c a l e ( a t
1 k H z )
m e t e r
f u l l
s c a l e
w i t h
c l o s e d
2 0 H z t o
2 0 k H z
1 0 H z t o
2 0 0 k H z
1 k H z )
d e t e c t i o n ,
i n d i c a t i o n
b a s e d o n
i n p u t
s i n e
c o m p o n e n t s
1 V r m s
w i t h
100% c a l i b r a -

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