TB 9-6625-159-24
Table 1. Calibration Description - Continued.
Test instrument
Performance specifications
parameters
Model 380947
Ac current
Range:
0 to 400 A @ 40 Hz to 1 kHz
Range:
4 A, 0 to 500 mA
Accuracy: 50 to 60 Hz, (1.5% rdg + 7 dgts);
60 Hz to 1 kHz, (2.0% rdg + 7 dgts);
Range:
4A, 500 mA to 4 A
Accuracy: 50 to 60 Hz, (1.5% rdg + 3 dgts);
60 Hz to 1 kHz, (2.0% rdg + 4 dgts)
Range:
40 A
Accuracy: 50 to 60 Hz, (1.5% rdg + 3 dgts);
60 Hz to 1 kHz, (2.0% rdg + 4 dgts)
Range:
100 A
Accuracy: 50 to 60 Hz, (1.5% rdg + 3 dgts);
60 Hz to 1 kHz, (2.0% rdg + 4 dgts)
Range:
400 A, 100 to 200 A
Accuracy: 50 to 60 Hz, (2.2% rdg + 3 dgts);
60 Hz to 1 kHz, (2.5% rdg +4 dgts)
Range:
400 A , 200 to 400 A
Accuracy: 50 to 60 Hz, (4.0% rdg + 3 dgts);
60 Hz to 1 kHz, (5.0% rdg + 4 dgts)
Range:
40 Hz to 10 kHz
Accuracy: (0.5% rdg + 5 dgts)
Dc current
Range:
0 to 400 A dc
Range:
40 A
Accuracy: (1.0% rdg + 2 dgts)
Range:
400 A, 0 to 150 A
Accuracy: (1.0% rdg + 2 dgts)
Range:
400 A, 150 to 200 A
Accuracy: (2.2% + 2 dgts);
Range:
400 A, 200 to 400 A
Accuracy: (4.0% + 2 dgts)
4