TB 9-6625-159-24
Table 1. Calibration Description - Continued.
Test instrument
Performance specifications
parameters
Model 380912
Ac Current
Range:
0 to 400 A @ 50/60 Hz
Range:
200 A, 400 A
Accuracy: (2.0% FS + 2 dgts)
Ac voltage
Range:
0 to 750 V ac @ 50/60 Hz
Accuracy: (1.0% rdg + 2 dgts)
Dc voltage
Range
0 to 1000 V dc
Accuracy: (0.8% rdg + 1 dgt)
Peak Hold: 3.0% FS
0 to 2 kΩ
Range
Accuracy: (1.0% rdg + 1 dgt)
Dc current
Range:
0 to 400 A dc
Range:
200 A, 400 A
Accuracy: (2.0% FS + 2 dgts)
Model 380920
Ac Current
Range:
0 to 2100 A @ 40 Hz to 1 kHz
Range:
400 A
Accuracy: 40 to 50 Hz, (2.0% + 5dgts);
50 to 60 Hz, (1.5% + 5 dgts);
60 Hz to 1 kHz, (2.0% + 5 dgts)
Range:
2100 A, 400 to 1000 A
Accuracy
40 to 50 Hz, (2.5% + 5 dgts);
50 to 60 Hz, (2.0% + 5 dgts);
60 Hz to 1 kHz, (2.5% + 5 dgts)
Range:
2100 A, 1000 to 2100 A
Accuracy: 40 to 50 Hz, (3.0% + 5 dgts);
50 to 60 Hz, (2.5% + 5 dgts);
60 Hz to 1 kHz, (3.0% + 5 dgts)
Ac voltage
Range:
0 to 600 V ac; 40 Hz to 1 kHz
Range:
400 mV
Accuracy: Not specified
Range:
4 to 600 V
Accuracy: 40 to 50 Hz (2.0% rdg + 5 dgts)
50 to 60 Hz (1.5% rdg + 5 dgts)
60 to 1 kHz (2.0% rdg + 5 dgts)
Dc voltage
Range:
0 to 600 V dc
Accuracy: (1.5% rdg + 3 dgts)
0 to 40 MΩ
Range:
Accuracy: (1.5% rdg + 3 dgts)
Range:
0 to 50 kHz
Accuracy: (0.5% rdg + 2 dgts)
Sensitivity: 500 mV rms
Dc current
Range:
0 to 2500 A dc
Range:
400 A
Accuracy: (1.5% rdg + 3 dgts);
Range:
2500 A, 400 to 2000 A
Accuracy: (1.5% rdg + 3 dgts);
Range:
2500 A, 2000 to 2500 A
Accuracy: (2% + 3 dgts)
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