Kenwood VT-172, Инструкция по эксплуатации

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Overload voltage level : 10/A/—300/A/ ranges:
A C 1 0 V r m s , D C 500V
1 m V ~ 3 0 0 m V ranges:
A C 8 0 V r m s
5 0 0 V ( D C + A C p e a k )
1V—300V ranges:
5 0 0 V ( D C + A C p e a k )
R e l a t i v e reference adjustment :
0 ~ a p p r o x . - 1 2 d B
Over level : L i g h t s up or f l i c k e r s when a
signal of more than +15dB f o r
m a x i m u m value is applied.
T h i s indicates t h a t there is a
possibility of erroneous
indication due to over input
when a level w e i g h t i n g f i l t e r is
used.
Residual noise : Average detection :
1 0
A V
range input shorted, Input
equality value
Below 1 . 5 M / r m s ( 1 . 0 / i V r m s T Y P . )
30 /iV range, input shorted, Input
equality value
Below 5/iV s ( 3 . 0 / A / r m s T Y P . )
Peak detection :
10/A/ range input shorted, Input
equality value
Below 2.0 /iVrms (1.0 /iVrms T Y P . )
3 0 M / range input shorted, Input
equality value
Below 5 / i V r m s ( 3 . 0 / A / r m s T Y P . )
S t a b i l i t y : W i t h i n ±0.5% of fullscale for
± 10% line voltage f l u c t u a t i o n .
[Amplifier Section]
A C A M P L I F I E R :
G a i n : A p p r o x . 100dB
Output voltage : 1 V r m s ± 10%
Output resistance : 800O ± 10%
D i s t o r t i o n : Below 1% of fullscale a t 1kHz
T h i s d i s t o r t i o n is determined by
the S / N for the ranges 1 0 M / ~
300/W
S / N : W i t h respect to f u l l s c a l e :
1 m V ~ 3 0 0 V ranges: 40dB m i n i m u m
300/^V range: 30dB m i n i m u m
10U«V range: 25dB m i n i m u m
30MA range: 20dB m i n i m u m
*~ ' V range: 16.5dB m i n i m u m