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
Figure 2. Testing the Display (337 is shown)
ClampMeters
Performance Tests
Recommended Model
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