Fluke 337 User Manual

ClampMeters
Performance Tests
5
Performance Tests
WWarning
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).
Table 1. Required Equipment
Equipment Recommended Model
AC Calibrator Fluke 5520A
Digital Multimeter (DMM) Any Fluke model
50-Turn Current Coil Fluke 5500A/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.
OFF
V
A
V
INRUSH
ZERO
MIN/MAX
A
Hz
On/Off
INRUSH
adc01f.eps
Figure 2. Testing the Display (337 is shown)

Fluke 337 Specifications

General

Continuity	< 30 Ω
Safety Rating	CAT III 600 V
DC Current Accuracy	2.0% ± 5 digits
DC Voltage Accuracy	±1% + 3 digits
Resistance Accuracy	1.0% ± 5 digits
Display	LCD
Battery Type	2 x AA