Fluke ScopeMeter 190 II Series Service Manual

Fluke 190-062, -102, -104, -202, -204, -502, -504
Service Manual
4-24
Input B Trigger Sensitivity Test
Proceed as follows to test the Input B trigger sensitivity:
1. Connect the Test Tool to the 5502A as shown in Figure 4-8.
NORMAL
SCOPE
FLUKE 5502A CALIBRATOR
PM9091
ADC
B
USE 50 OHM
TERMINATION
AB
METER
PM9091
2 CHANN. + METER
4 CHANNELS
50 OHM e.g. PM9585 or
TRM50
For 190-502 and -504
use only TRM50!
50 OHM e.g. PM9585 or
TRM50
perf-ver-e2.eps
Figure 4-8. 5502A Scope Output to Test Tool Input B
2. Reset the Test Tool to select the Test Tool setup:
3. Press
B
to turn Input B on.
4. Press
TRIGGER
and use
F1
to select Input B as trigger source.
5. Use
mV
RANGE
and
V
RANGE
to change the sensitivity range to select manual
sensitivity ranging, and lock the Input B sensitivity range on 2 V/div.
6. Use
TIMEsns
to select the time base listed in Table 4-11.
7. Set the 5502A to source the leveled sine wave given in the first row of
Table 4-10.
8. Adjust the 5502A output voltage until the displayed trace has the amplitude
indicated under the appropriate column of Table 4-11.
9. Verify that the signal is well triggered.
If not, press
TRIGGER
and use
F3
to enable for manual Trigger
Level adjustment. Adjust the trigger level and verify that the signal will be
triggered now. The trigger icon (
) indicates the trigger level.
10. Continue through the test points.
11. When you are finished, set the 5502A to Standby.
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Fluke ScopeMeter 190 II Series Specifications

General

Brand	Fluke
Model	ScopeMeter 190 II Series
Category	Test Equipment
Language	English