Kenwood FC-757, Инструкция по эксплуатации, Страница: 6 / 40

S t a b i l i z a t i o n
(Tenperature f a c t o r ,
aging r a t e )
3 x 1 0 -
6
/ 0 to 40 °C
5 x 1 0 '
7
/ m o n t h
[Reference Frequency I n p u t ]
Frequency
10MHz
Input s e n s i t i v i t y
1.77Vr.m.s. or less
Coupling
A C
Input impedance
540O
[ D i s p l a y F u n c t i o n ]
D i s p l a y
Eight-digit L E D display
k H z / ^ s , M H z / m s , G A T E ,
O V E R F L O W
Functions display
F R E Q , P E R , R A T I O , T I ( A to B ) ,
T O T A L , C H E C K
Counting time
( G a t e t i m e )
0. 01s, 0.1s, 1.0s, 10s
1, 10, 100, 1000
[Self-check Function]
D i s p l a y
D i s p l a y a count value of the
internal time base t i m e r
(10.0MHz)
Counting time
( G a t e t i m e )
0.01s, 0.1s, 1.0s, 10s
Resolution
0.1Hz to 100Hz
[General Requirements]
Power supply voltage 100 / 120 / 220 / 240VAC±10%
( m a x . 2 5 0 V ) , 50/60Hz
Power comsunption
2 0 V A
W i t h i n specifications
temperature and
h u m i d i t y
23°C±5°C, 70% R H
Operating temperature
and h u m i d i t y
0°C to 40°C, 8 0 % R H
Dimentions
2 4 0 ( W ) x 6 4 ( H ) x 1 9 0 ( D ) m m
[ m a x . 2 6 0 ( W ) x 7 0 ( H ) x 2 1 0 ( D ) m m ]
Weight
1.8kg
Accessories
Instruction manual 1
Power supply cable 1
Replacement fuse 1
* i T r i g g e r error is t y p i c a l l y ± 0 . 3 % of reading
divided by the number of cycles averaged, f o r
input s i g n a l s having better than 40dB S / N
' r a t i o and grc r than 100mV amplitude.
6