Fluke 225C Service Manual - Page 73

Calculate Gain, 7 Save Calibration Data and Exit, READY, Calibration data valid.

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5 Calibration Adjustment 5.6.9 Calculate Gain Table 5-6. Ohm Gain Calibration Points Cal Step UUT input Value (5500 NORMAL) CL 0910 CL 0911 CL 0912 CL 0913 CL 0914 CL 0915 100 Ω 1 kΩ 10 kΩ 100 kΩ 1 MΩ 10 MΩ 5.6.9 Calculate Gain 1. Remove all test leads from the test tool inputs. 2. Press to select calibration adjustment step CL 0920. 3. Press to start the calibration. 4. Wait until the display shows the calibration status :READY. 5. Continue at section 5.7 5.7 Save Calibration Data and Exit Proceed as follows to save the calibration data, and to exit the Maintenance mode: 1. Remove all test leads from the test tool inputs. 2. Press EXIT. The test tool will display: Calibration data valid. Save data and exit maintenance mode? Note Calibration data valid indicates that the calibration adjustment procedure is performed correctly. It does not necessarily mean that the test tool meets the characteristics listed in Chapter 2. 3. Press YES to save and exit. Note 1 After saving the calibration data, the calibration number and - date will be updated if the calibration data have been changed and the data are valid. The calibration number and - date will not change if: - the calibration mode is entered and left without doing a calibration adjustment. - only the contrast calibration adjustment (5.4) and/or the probe calibration is done. Note 2 If you press NO ,the test tool returns to the calibration mode. You can either calibrate the test tool again, or press exit. EXIT , YES to save and 5-17

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Calibration Adjustment
5.6.9 Calculate Gain
5
5-17
Table 5-6. Ohm Gain Calibration Points
Cal Step
UUT input Value (5500 NORMAL)
CL 0910
100
Ω
CL 0911
1 k
Ω
CL 0912
10 k
Ω
CL 0913
100 k
Ω
CL 0914
1 M
Ω
CL 0915
10 M
Ω
5.6.9 Calculate Gain
1.
Remove all test leads from the test tool inputs.
2.
Press
to select calibration adjustment step CL 0920.
3.
Press
to start the calibration.
4.
Wait until the display shows the calibration status
:READY
.
5.
Continue at section 5.7
5.7 Save Calibration Data and Exit
Proceed as follows to save the calibration data, and to exit the Maintenance mode:
1.
Remove all test leads from the test tool inputs.
2.
Press
EXIT
.
The test tool will display:
Calibration data valid.
Save data and exit maintenance mode?
Note
Calibration data valid indicates that the calibration adjustment procedure
is performed correctly.
It does not necessarily mean that the test tool meets
the characteristics listed in Chapter 2.
3.
Press
YES
to save and exit.
Note 1
After saving the calibration data, the calibration number and - date will be
updated
if
the calibration data have been changed and the data are valid.
The calibration number and - date will not change if:
- the calibration mode is entered and left without doing a calibration adjustment.
- only the contrast calibration adjustment (5.4) and/or the probe calibration
is
done.
Note 2
If you press
NO
,the test tool returns to the calibration mode.
You can
either calibrate the test tool again, or press
EXIT
,
YES
to save and
exit.