3
Compliance: Max. Voltage
Current at Max. Inductance
Range Full Range 50/60 400Hz*
1.0999A 4V 5mHy 125µHy
10.999A 4V 1mHy 30µHy
50A 0.4V 10µHy 4µHy
75A (Optional) 0.1V --------- ---------
Amplitude Instability: 20ppm per hour non cumulative.
50ppm per day non cumulative.
100ppm per month non cumulative.
Temp. Coefficient: ±(15ppm reading +2ppm range) per °C.
Line Voltage Sensitivity: 10ppm/percent line voltage change.
Frequency Output Characteristics
Frequency settings: 50, 60 and 400Hz
Accuracy: ±1%
Adjustment: Vernier adjustment typically ±10%
Synchronization: Can be synchronized to power line
frequency ±3%.
Power Output Characteristics
Power Factor Range: 0 Lag to 0 Lead; 0.1PF steps
Power Accuracy: Power Accuracy
Current Power (±% of V-A Setting)
Setting Factor 50/60Hz 400Hz
<=10.999A 1 0.05 0.12
0.8 to 0.9 0.08 0.16
0 to 0.7 0.12 0.22
>10.999A: 1 0.065 0.12
0.8 to 0.9 0.095 0.16
0 to 0.7 0.135 0.22
Temp. Coefficient: ±0.002% per °C, 50/60Hz.
±0.005% per °C, 400Hz.
Energy (Model 811A and 811AE only)
Range: To 24500 Kilowatt-seconds.
Typical Resolution: 10ppm at 100 Seconds.
Events Range: To 65535 events maximum.
Maximum Event Rate: 4000Hz.
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