Fluke A3003 FC, Руководство по калибровке

Страница: 14 / 24

a3003 FC/a3004 FC
Calibration Manual
10
Performance Tests
Performance tests make sure that the Product operates within the published specifications. Do the performance tests
periodically and after service or repair. If the Product fails any part of the verification test, repair and/or calibration
adjustments are required. See
Calibration .
In this section the Meter is called the UUT (Unit Under Test). Use these verification performance tests to make sure
the values indicated on the UUT correspond, as closely as possible, with the actual values being measured.
Test the Display
To verify that all segments of the display function:
1.
With the Meter off, push and hold

.
2. Push

while you keep

pushed until all of the display segments are shown. See Figure 4.
If segments of the display are missing, contact Fluke for repair. See Contact Fluke .
Figure 4. Display Segments
Test the Backlight
To verify the backlight: With the Meter on, push

.
If the backlight does not come on, contact Fluke for repair. See Contact Fluke .
Clamp Input and Keypad Test
To verify the clamp input and keypad functions:
1.
With the Meter off, push

.
The display shows ----.
2. Plug the clamp into the Meter:
•
2000 A dc clamp into the a3003 FC DC Meter.
• 4-20 mA clamp into the a3004 FC DC Meter.
The display shows the name of the Meter.
3. Start the dc current test.
4. Push each button separately to verify the keypad functions.
Each button push turns on a display function and

turns on the backlight. If there is no response from the
buttons, contact Fluke for repair. See Contact Fluke .