Fluke 381 - Page 20

381
Calibration Manual
12
Table 3. Performance Tests (cont.)
Test
(Switch
Position)
Nominal
Calibrator Output
Value
UUT Meter Reading Limits
Low High

AC Amps
(with 50-
Turn Coil)
10 A 0.2 A, 50 Hz 9.3 10.7
100 A 2 A, 50 Hz 97.5 102.5
600 A 12 A, 50 Hz 587.5 612.5
900 A 18 A, 50 Hz 881.5 918.5
975 A 19.5 A, 50 Hz 955.0 995.0
10 A 0.2 A, 440 Hz 9.0 11.0

DC Amps
(with 50-
Turn Coil)
-975 A -19.5 A -995.0 -955.0
-600 A -12 A -612.5 -587.5
-100 A -2 A, -102.5 -97.5
-10 A -0.2 A -10.7 -9.3
0 A 0 A
[1]
-0.5 0.5
10 A 0.2 A 9.3 10.7
100 A 2 A 97.5 102.5
600 A 12 A 587.5 612.5
900 A 18 A 881.5 918.5
975 A 19.5 A 955.0 995.0

Frequency
(with 50-
Turn Coil)
50 Hz 0.1 A, 50 Hz 49.3 50.8
[1] The 0 A dc test must be performed with a single wire connected from 552XA AUX HI to AUX
LO and the 381 clamped around the wire.