Input A Lf-Hf Gain; Input B Lf-Hf Gain - Fluke ScopeMeter 190 III Series Service Manual

Input A LF-HF Gain

To do the Input A LF-HF Gain calibration:
1. Connect Ch. A of the Test Tool to the 5502A. See
2
2. Press
The display must show step CL 0654 (Pos A Fast).
3. Set the 5502A SCOPE output to source the signal required for the first calibration point.
4. Set the 5502A in operate (OPR) or standby (STBY) as indicated.
3
5. Press
Wait until the display shows calibration status CL 509: READY.
2
6. Press
point signal, and start the calibration.
Continue through all calibration points for Input A LF-HF Gain.
7. Wait until the display shows calibration status CL 0461: READY.
When you are finished, set the 5502A to Standby. Continue at the Input B LF-HF Gain section.

Input B LF-HF Gain

To do the Input B LF-HF Gain calibration:
2
1. Press
2. Connect Ch. B of the Test Tool to the 5502A. See
PM9091
:
50 (PM9585 or TRM50)
For 190-502 and -504
use only TRM50!
A METER
2 CHAN. + METER
3. Set the 5502A SCOPE output to source the signal required for the first calibration point for
Input B LF-HF Gain (CL 0674, Pos B Fast).
to select the first calibration step in
to start the calibration.
to select the next calibration step, set the 5502A to the next calibration
to select the first calibration step in
Figure 14. 5502A Scope Output to Test Tool Input B
:
50 (PM9585 or TRM50)
B A B C D
4 CHANNELS
Figure 13.
Table 14, Input A LF-HF Gain.
Table 14, Input B LF-HF Gain.
Figure 14.
PM9091
:
USE 50
TERMINATION
NORMAL SCOPE
FLUKE 5502A CALIBRATOR
ScopeMeter® Test Tool
Calibration Adjustment
41