Mains:AC 220V ±10% 50Hz
Pump Structure:Oil-Free self-lubricating pump
Air pumping efficiency: ≥20L/min
Negative pressure value: ≥0.090Mpa
Adjustment Range of Negative Pressure: 0.013MPa～0.090Mpa
Input Power:300VA
Liquid Vessel:2500ml x2
Noise level: ≤55dB
Work mode:Intermittent loading,Continuous operation