Performance Tests; Testing The Display - Fluke 333 Calibration Information Manual

Performance Tests

To avoid electric shock, do not perform the performance test procedures unless
the Meter is fully assembled.
The following performance tests verify the complete operation of the Meter and check the accuracy of
each meter function against the Meter's specifications. If the Meter fails any part of the test, calibration
adjustment and/or repair is indicated.
In the performance tests, the Meter is referred to as the unit under test (UUT).
Equipment
AC Calibrator
Digital Multimeter (DMM)
50-Turn Current Coil

Testing the Display

For models 334 - 337, test the display by turning the Meter on while holding down the INRUSH button.
Check all segments for clarity and contrast. The 333 is not equipped with this feature. Refer to Figure 2.
WWarning
Table 1. Required Equipment
Fluke 5520A
Any Fluke model
Fluke 5500A/Coil
A
A
V
V
OFF
INRUSH
ZERO INRUSH
Figure 2. Testing the Display (337 is shown)
Recommended Model
Hz
On/Off
MIN/MAX
ClampMeters
Performance Tests
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