Operating Instructlonl-SC
502
EXAMPLE:
A
ss
u
m
e
a
peak-ta-peak
v
erti
cal
deflection
of
4.6
divi sions
and a
channel VOL TS/DI V
switch setti ng
of
5 V.
Peak-to
pea�
volts
5
(
c
h
a
nne
l
=
4. 6
X VO LTS/DIV
=
(divisions)
setti ng)
NO TE
23
volts
If an attenuator probe is used, multiply the
right
side
of the above equation by the
attenuation factor.
Instantaneous Voltage Measurement-DC
To
measure
the dc
level
at
a
given pai nt
on
a
waveform,
use the
following procedure:
1.
Set the
desired channel
AG-GND-DC
switch to
GND and
positi on
the
trace
to the
bottom line of the
graticule
(or other
selected
reference
li ne) .
If the v
ol
t
a
g
e
to
be
measured
is
negative
with
respect
to
g
r
o
u
n
d
,
position
t
h
e
trace
to
the
top line of t
h
e
graticule. Do not
move the
channel POSITION
control
after
this reference
has
been
established.
NO TE
To measure a voltage level with respect to a voltage
other than
ground.
make the following changes to
step
1: Set
the
A C-GND-DC
switch to DC and apply
the reference
voltage
to the input connector, then
pOSition
the
trace to the reference line.
2.
C
o
n
n
e
ct
the
signal
to the i n put
connector. Set the
desired
chan nel AC-GN D-DC
switch
t
o
DC
(the
g
r
o
u
n
d
reference
can
be
checked at
any
ti m e by setting
the i
n
p
u
t
coupl i n g
to
G N D ) .
3 . Set
t h e
channel
VOL
TS/DI V switch
to
display about
5 or
6 vertical
divisions
of the
waveform.
Check
that the
v
a
r
iable VOL TS/DIV control
for the
channel
is
in
the
fully
clockwise
position.
Adj ust
the time-base
tri ggeri ng con
trols
for a
stable
display.
4.
Measure the
distance
in
d
i
v
i
s
i
o
n
s
between
the
reference
l
i
n
e
and
the
poi nt
on
the
waveform at
which
the
dc level
is
to
be
measured.
For
exam ple,
in
Fig.
2·4
the
measurement
is
made
between
the
ref
er
e
n
c
e
l i ne
and
poi nt
A.
5. Establish
t
h
e
polarity.
The
voltage is
positi ve
if
the
waveform is above the
reference
line.
2-1 0
V.rtleal
III,tan,.
--!----
I.f.,.n,. lin.
t A l
1 000· 1 9
Fig. 2-4. Me.lurlng Inst.nt.neoul d e vott.ge with respect t o
•
reterence .,ott.ge.
6.
M ulti ply
the distance
measured
in
step 4
by
the
channel
VOL TS/DIV
switch
setti ng.
I ncl ude
t
h
e
attenua
tion
factor
of the
probe.
if
one
is used (see
the
note
following
the
Peak-to-Peak
Voltage
Measurement
exam
ple)
.
EXAMPLE: Assume
that
the
vertical distance
measured
is 4.6 divisi ons,
the
polarity
is
positive.
the
channel
VO L
TS/DIV
switch
setting
is
2 V.
I nstan
taneous
=
V
o
l
t
a
g
e
4. 6
X
(division)
2
(chan nel
VOLTS/DIV)
Time Period Measurement
=
+9. 2
volts
To
measure
the
time
( period)
between
two
pai nts
on
a
w
a
v
efo
r
m, use
the followi ng procedure
:
1 .
Connect
the
Signal
to
the
vertical
i
n
p
ut connector.
select
eit her
ac or
dc
i nput c
o
u
p
l
i
ng
,
and
set
t
h
e
chan nel
VOL TS/DIV switch
to
display
about four
divisi ons
of the
waveform.
2.
Set
the
ti me-base
triggeri ng
control s
to obtai n a
stable display.
Set the SECONDS/DIV switch
to
the
fastest
sweep
rate
that
w i l l
permit displayi ng one
cycle
of the
waveform
in less
than
eight
di visi ons
(some
non-l i nearity
may
occur
in
the
first
and
last
gratlcule
divisions of
display).
Refer
to Fig.
2-�.
3.
Ad
j
ust
the desired channel
POSITION
control to
move the
pai nts between which
the
t
i
m
e
m easurement
is
made
to
the
center
horizontal
li ne.
Adjust
the
horizontal
@ MAY
1 980
Summary of Contents for SC 502
Page 1: ...SC 502 OSCILLOSCOPE ...
Page 2: ......
Page 9: ...SC 502 1878 1 The SC 502 Oscilloscope xi REV APR 1982 ...
Page 10: ...Verso Filler Page z z ...
Page 32: ...Verso Filler Page z z ...
Page 34: ...Verso Filler Page z z ...
Page 63: ...Section 6 SC 502 OPTIONS There are no options available at this time REV A APR 1980 6 1 ...
Page 84: ...Beam R873 C473 Ext Bal R535 CH 1 Vert Po R335 CH 2 Vert Pos R394 ADJUSTft TP980 5 ...
Page 125: ...REV MAR 1 984 ...
Page 126: ...SC 502 m m o ...
