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(4)
Interval between measurements
The interval between measurements ( G A T E
L E D O F F period)
milliseconds in a l l the measurement modes.
However, if signal frequencies are measured
in the M H z / m s mode, t h a t period
to 400 milliseconds.
If event inputs are counted for
the count operation
during t h i s
i n t e r v a l .
Note t h a t these fixed intervals have nothing
to do w i t h the gate t i m e s , number
cycles and input frequencies.
34
is fixed to 200
is fixed
t o t a l i z a t i o n ,
may continue even
of
6.
MEASURING CONSIDERATIONS
6-1
Use of attenuator
The input impedance (1.2Megaohm, and 40pF or
less) of the C H A N N E L A input juck is not
fected through manipulation
© .
The circuit
load can be reduced by
the attenuator
probe to the C H A N N E L A
juck.
Set the attenuator
sition to reduce the circuit
to C H A N N E L B.
N O T E : If 10 : 1 attenuator
ify t h a t the amplitude
put to the counter s a t i s f i e s the follow-
ing
condition.
M i n i m a m
signal level
6-2
Change in measurement mode and resolution
A new measurement operation
t i m e when a measurement mode or
value is changed. The measurement display
probe
of A T T x 10 switch
connecting
probe to the x 10 po-
load. T h i s applies
probe is used, ver-
of the signal in-
Attenuated
input
<
signal level
is started each
resolution
af-
input
d a t a
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