Fluke 374 - Performance Tests

Clamp Meter
Performance Tests
9
Performance Tests
XWWarning
To prevent possible electrical shock, fire, or personal injury,
do not perform the performance test procedures unless the
Product is fully assembled.
The following performance tests verify the complete operation of the Product and check
the accuracy of each function against the Product’s specifications. See Table 2. If the
Product fails any part of the test, calibration adjustment and/or repair is indicated. See
“Calibration Adjustment”.
Table 2. Performance Tests
Meter Reading Limit
Test
(Switch
Position)
Calibrator
Output
374 375 376
Low High
10 V @ 50 Hz X X X 9.7 V 10.3 V
500 V @ 50 Hz X X X 496.0 V 504.0 V
900 V @ 50 Hz - - X 893.0 V 907.0 V
K
AC Volts
500 V @ 500 Hz X X X 496.0 V 504.0 V
-500 V X X X -503.0 V -497.0 V
10 V X X X 9.7 V 10.3 V
500 V X X X 497.0 V 503.0 V
900 V - - X 895.0 V 905.0 V
-250 mV - X X -251.5 V -248.5 V
50 mV - X X 49.5 V 50.5 V
250 mV - X X 248.5 V 251.5 V
L
DC Volts
450 mV - X X 447.5 V 452.5 V
60 Ω X X X 59.5 Ω 60.5 Ω
300 Ω X X X 298.2 Ω 301.8 Ω
540 Ω X X X 537.0 Ω 543.0 Ω
3000 Ω X X X 2982 Ω 3018 Ω
5400 Ω X X X 5370 Ω 5430 Ω
30K Ω - X X 29.82 KΩ 30.18 KΩ

Ohms
54K
Ω - X X 53.70 KΩ 54.30 Ω
10 μF X X X 9.8 μF 10.2 μF
500 μF X X X 496.0 μF 504.0 μF

Capacitance
900 μF X X X 894.0 μF 906.0 μF