1.8 Sweep frequency ratio: ≥ 1:1000

1.9 Sweeping time: 0.5S~20S

1.10 Working voltage: AC 220V ± 5% 50Hz ± 2Hz

1.11 Working environment

1.11.1 Temperature: 0 ℃～ 40 ℃

1.11.2 Humidity: no more than 90% RH

1.12 Overall dimension: 320mm × 360mm × 100mm

1.13 Weight: about 5Kg