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Philips pm2521 - Page 49

Philips pm2521
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48
6.4.1.11.
Peak
voltage
measurement
GENERAL
The
adjustable
trigger
level
with
the
trigger
(GATE)
indication
offers
the
possibility
to
measure
peak
voltages.
Measuring
peak
voltages
is
done
in
the
trigger
level
function.
This
means
that
the
peak
voltages
are
measured
with
the
accuracy
of
the
trigger
level
function.
The
order
fpr
measuring
the
peak
voltage
of
a
signal
is
as
follows:
—
Selection
of
the
sensitivity
range
;
—
Selection
of
the
trigger
level
—
Measurement
of
the
peak
voltage
PEAK
VOLTAGE
MEASUREMENTS
Selection
of
the
sensitivity
ranges
—
Select
function
V-r-r-r-
with
the
function
selector.
—
Select
the
automatic
ranging
mode
by
depressing
the
AUTO/MAN*
4
Remark:
Manual
ranging
is
indicated
with
*
on
the
display.
—
Connect
the
voltage
source
to
the
0
and
V
terminal
and
measure
the
input
signal.
—
Make
a
note
of
the
selected
range
and
polarity.
Slow
signals
may
pass
more
than
one
range.
—
Select
function
trigger
level
with
the
function
selector,
and
select
one
of
the
noted
ranges
and
polarity.
./
Remark:
Function
trigger
level
has
four
ranges.
Ranges
V
TTT
Trigger
level
200
mV
2
V
2
V
20
V
200
V
2000
V
20
V
200
V
2000
V
Input
signals
that
are
lower
than
7.5
%
of
the
end
of
range
value
of
the
trigger
level
range
cannot
be
triggered
accurately.
In
the
trigger
level
function
only
manual
ranging
is
possible
with
pushbuttons
UP
or
DOWN.
it
V

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