Fluke ScopeMeter 190 II Series Service Manual page 54

PM9091
A METER B A B
2 CHANN. + METER 4 CHANNELS
Figure 4-3. Test Tool Inputs A, B to 5502A Normal Output
2. Select the following Test Tool setup:
a) Recall the created setup (see Standard Test Tool Setup). Press
F2
(
RECALL) and
and press ENTER
A
b) Press
Attenuator: Normal | Bandwidth: 10 kHz or 20 kHz for the available setting in
the Test Tool.
B
c) Press
Attenuator: Normal | Bandwidth: 10 kHz or 20 kHz for the available setting in
the Test Tool.
C
d) Press
Attenuator: Normal | Bandwidth: 10 kHz or 20 kHz for the available setting in
the Test Tool.
D
e) Press
Attenuator: Normal | Bandwidth: 10 kHz or 20 kHz for the available setting in
the Test Tool.
f) Press CLEAR to clear the softkey menu and see the full display.
The 10 kHz or 20 kHz bandwidth limiter rejects calibrator
noise. It does not affect the gain accuracy at a 50 Hz input
signal.
A
3. Press and use
the first test point in Table 4-2.
4. Set the 5502A to source the appropriate initial ac voltage.
5. Adjust the 5502A output voltage until the displayed Input A trace amplitude is
6 divisions.
6. Observe the 5502A output voltage and check to see if it is within the range
shown under the appropriate column.
7. Continue through the test points.
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CONNECT TO CHANNEL A, B, C, D IN SUCCESSION
PM9091
NO 50 OHM TERMINATION
C D
NORMAL SCOPE
PM9081
FLUKE 5502A CALIBRATOR
select , press
SETUP
to recall the setup.
F4
, press (
INPUT A OPTIONS...
, press F4 (
INPUT B OPTIONS...)
, press F4 (
INPUT C OPTIONS...)
F4
, press (
INPUT D OPTIONS...)
Note
mV RANGE
and to set the Input A sensitivity range to
V
RANGE
Performance Verification
Scope Input A, B, C, D Tests
perf-ver-a2.eps
SAVE
,
, select the setup name,
ENTER
), and select
, and select
, and select
, and select
4
4-9