Input A Ac Voltage Accuracy (Hf) And Bandwidth Test - Fluke ScopeMeter 190 III Series Service Manual

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190 Series III
Service Manual
To test the Input D trigger sensitivity:
1. Connect the Test Tool to the 5502A. See
The test steps for channel D are only for the 4-channel models.
B
A
C
4 CHANNELS
2. Reset the Test Tool to select the Test Tool setup.
D
3. Press
to turn Input D on.
l
4. Use
to move the Input D trace zero to the center grid line.
T
5. Press
j
k
6. Use
and
to change the sensitivity range to select manual sensitivity ranging and lock
the Input D sensitivity range on 2 V/div.
7. Repeat step
4
to step
When you are finished, set the 5502A to Standby.

Input A AC Voltage Accuracy (HF) and Bandwidth Test

To test the Input A high frequency automatic scope ac voltage measurement accuracy and the
bandwidth:
1. Connect the Test Tool to the 5502A. See
2. Select the Test Tool setup:
a. Recall the setup (see
select SETUP, press
setup.
24
Figure 9. 5502A Scope Output to Test Tool Input D
:
PM9585 - 50
For 190-502 and -504
USE 50
use only TRM50!
TERMINATION
D
NORMAL
FLUKE 5502A CALIBRATOR
1
and use
to select Input D as trigger source.
8
same as for the Input A trigger test.
Standard Test Tool
E
, select the setup name, and press
Figure
9.
Note
PM9091
:
SCOPE
Figure
5.
S
Setup). Press
2
,
(RECALL) and
E
to recall the

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