| Calibrated Device | (1) Potential Transformer (2) AC High Voltage Divider, AC High Voltage Meter, AC High Voltage Source | 
|---|---|
| Range | 1 kV to 100 kV/60 Hz | 
| Uncertainty | (1) 82 μV/V (Relative), 60 μrad, 0.16 mV/V (2) 82 μV/V (Relative), 0.16 mV/V | 
