Fluke 123B/S Service Manual - Page 90

Equipment Required For Calibration, 3 Starting Calibration Adjustment

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123/124 Service Manual • Ensure that the test tool battery is charged sufficiently. 5.2 Equipment Required For Calibration The primary source instrument used in the calibration procedures is the Fluke 5500A. If a 5500A is not available, you can substitute another calibrator as long as it meets the minimum test requirements. • Fluke 5500A Multi Product Calibrator, including 5500A-SC Oscilloscope Calibration Option. • Stackable Test Leads (4x), supplied with the 5500A. • 50Ω Coax Cables (2x), Fluke PM9091 or PM9092. • 50Ω feed through terminations (2x), Fluke PM9585. • Fluke BB120 Shielded Banana to Female BNC adapters (2x), supplied with the Fluke 123/124. • Dual Banana Plug to Female BNC Adapter (1x), Fluke PM9081/001. • Male BNC to Dual Female BNC Adapter (1x), Fluke PM9093/001. 5.3 Starting Calibration Adjustment Follow the steps below to start calibration adjustments. 1. Power the test tool via the power adapter input, using the PM8907 power adapter. 2. Check the actual test tool date, and adjust the date if necessary: • Press to open the USER OPTIONS menu • Using select DATE ADJUST • press to open the DATE ADJUST menu • adjust the date if necessary. 3. Select the Maintenance mode. The Calibration Adjustment Procedure uses built-in calibration setups, that can be accessed in the Maintenance mode. To enter the Maintenance mode proceed as follows: • Press and hold • Press and release • Release • The display shows the Calibration Adjustment Screen. The display shows the first calibration step Warming Up (CL 0200) , and the calibration status :IDLE (valid) or :IDLE (invalid). 5-4

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123/124
Service Manual
5-4
•
Ensure that the test tool battery is charged sufficiently.
5.2 Equipment Required For Calibration
The primary source instrument used in the calibration procedures is the Fluke 5500A.
If
a 5500A is not available, you can substitute another calibrator as long as it meets the
minimum test requirements.
•
Fluke 5500A Multi Product Calibrator, including 5500A-SC Oscilloscope
Calibration Option.
•
Stackable Test Leads (4x), supplied with the 5500A.
•
50
Ω
Coax Cables (2x), Fluke PM9091 or PM9092.
•
50
Ω
feed through terminations (2x), Fluke PM9585.
•
Fluke BB120 Shielded Banana to Female BNC adapters (2x), supplied with the
Fluke 123/124.
•
Dual Banana Plug to Female BNC Adapter (1x), Fluke PM9081/001.
•
Male BNC to Dual Female BNC Adapter (1x), Fluke PM9093/001.
5.3 Starting Calibration Adjustment
Follow the steps below to start calibration adjustments.
1.
Power the test tool via the power adapter input, using the PM8907 power adapter.
2.
Check the actual test tool date, and adjust the date if necessary:
•
Press
to open the USER OPTIONS menu
•
Using
select DATE ADJUST
•
press
to open the DATE ADJUST menu
•
adjust the date if necessary.
3.
Select the Maintenance mode.
The Calibration Adjustment Procedure uses built-in calibration setups, that can be
accessed in the Maintenance mode.
To enter the Maintenance mode proceed as follows:
•
Press and hold
•
Press and release
•
Release
•
The display shows the Calibration Adjustment Screen.
The display shows the first calibration step
Warming Up (CL 0200)
, and the
calibration status
:IDLE (valid)
or
:IDLE (invalid)
.