... of aerospace technology,uses ABS,up-down circle absorber,Ohmeda flow monitoring system, accurate and reliable. Main Features:Anesthesia ventilator:1) ... 200ml, manually monitor tidal volume and respiratory rate b) Ohmeda flow monitoring systemc) Respiratory rate: 6-40bpmd) I/E ratio: ... range is 0.2-5% VOL4) With function of flow and temperature compensationWriting board: 1) Pull-push style2) Easy ...