Display: 4 digits. LED display
Accuracy: 0.5% ±2 digits
Auxiliary power: AC 110V ± 10% 50/60HZ or 220V±
10% 50/60HZ
Input signal: AC 0-50V or 50-500V
Measuring range: 1.0-999.9HZ
Consumption: <3VA
Operating Environment: temperature 0°C~40°C humidity:<=70%
Voltage Testing: over 2000V
