Fluke 433 - Page 28

Fluke 433, 434, 435
Service Manual
3-4
3.2 Equipment Required For Verification
The primary source instrument used in the verification procedures of Fluke 433/434 is the
Fluke 5500A. For Fluke 435 you must use Fluke 5700A. If not available, you can
substitute another Calibrator as long as it meets the minimum test requirements.
• For Fluke 433/434: Fluke 5500A Calibrator. For Fluke 435: Fluke 5700A Calibrator.
• Test Leads (4x), as supplied with the Calibrator.
• Extra set of test leads capable to withstand 1000 V rms.
Note: for good recognition it is recommended to use a black lead between the
Calibrator’s LO and the Analyzer’s Ground banana input.
• 50Ω Coax Cables (3 pieces required), Fluke PM9092 (0.5m, set of 3).
• Male BNC to Dual Female BNC adapter (3 pieces required), Fluke PM9093.
• Dual Banana Jack to female to male BNC (1 piece required), Fluke PM9082.
• 50Ω feed through termination (4 pieces required): Fluke PM9585.
• Battery Charger / Power Adapter, BC430.
3.3 General Instructions
Follow these general instructions for all tests:
• For all tests, power the Analyzer with the BC430 power adapter/battery charger. The
battery pack must be installed and charged sufficiently.
• Allow the Calibrator to satisfy its specified warm-up period.
• For each test point , wait for the Calibrator to settle.
• Allow the Analyzer a minimum of 30 minutes to warm up.
• One division on the LCD consists of 25 pixels ( 1 pixel = 0.04 division).
3.4 Operating Instructions
Resetting the Analyzer
Proceed as follows:
• Press
to turn the Analyzer off.
• Press and hold
SAVE
SCREEN
.
• Press and release
to turn the Analyzer on.
• Wait until the Analyzer has beeped twice, and then release
SAVE
SCREEN
. When the
Analyzer has beeped twice, the RESET was successful.
3.5 Display And Backlight Test
Proceed as follows to test the display and the backlight:
1. Press
to turn the Analyzer on.
2. Remove the BC430 adapter power, and verify that the backlight is dimmed.
3. Apply the BC430 adapter power and verify that the backlight brightness increases.
4. Press and hold
(Brightness), then press and release
F5
(Function key F5).
The Analyzer shows the calibration menu in the bottom of the display.