Volume constant, Pressure constant ventilation modes, can be applied to all levels of hospitals Pressure difference flow sensor, has more precise tidal volume and can realize tidal volume compensation Color wide TFT screen displays pressure, flow waveform and ventilation multi-parameter Double anesthesia vaporizers with large capability,high precision and broad scope, have the function of flow,pressure fluctuation and temperature automatic compensation High precision Six-tube flowmeter and low impedance breath loop, meet low-flow requirements Can be equipped with anesthesia information systems,multi-parameters monitors and AGSS system CE certificate