Fluke 377 - Display Annunciators and Indicators

377/377 FC/378/378 FC
Calibration Manual
8
Performance Tests
XW Warning
To prevent possible electrical shock, fire, or personal injury, do not
perform the performance test procedures unless the Product is fully
assembled.
Fluke recommends a 1-year cycle for the Performance Tests. If the Product fails any test,
return the Product to a Fluke Service Center or Authorized Service Partner. See Contact
Fluke for more information.
Before you start the Performance Tests, make sure that all test equipment has adequate
warm-up time and is allowed to stabilize in an environment of 23 °C ±5 °C. Table 2 is a
list of performance tests to verify the complete operation of the Product and check the
accuracy of each function against the Product specifications.
Table 2. Performance Tests
Test (Switch Position)
Calibrator
Output
Readout Limit
Low High
V
AC Volts
30 V @ 20 Hz 29.2 V 30.8 V
30 V @ 55 Hz 29.2 V 30.8 V
30 V @ 500 Hz 29.2 V 30.8 V
570 V @ 45 Hz 563.8 V 576.2 V
570 V @ 55 Hz 563.8 V 576.2 V
570 V @ 500 Hz 563.8 V 576.2 V
950 V @ 45 Hz 935.5 V 964.5 V
950 V @ 55 Hz 935.5 V 964.5 V
950 V @ 500 Hz 935.5 V 964.5 V