... , X-YTime Base: 0.2us/div to 0.5s/div, 20 rangeSweep expansion width:*10Accuracy: ±3%Triggering System:Triggering mode: NORM ... -Y Phase difference: ≤3o,DC--50KHzOthers:Calibration waveform: Frequency: 1KH 20%, Voltage: 0.5v1%Power supply: AC 220V/110V±10%, 50 ...