Philips G5 M1019A Features The Philips G5 M1019A Anesthetic Gas Module measures the five most commonly used anesthetic gases, plus N2O and CO2. Oxygen is measured using a paramagnetic technique. The M1019A / M1026B AGM's display numerics, trends, real-time waveforms, and alarms on the patient monitor screen. Automatic identification of anesthetic agents:Halothane, Isoflurane, Enflurane, Sevoflurane and Desflurane Inspiration and expiration values for all gases Quick warm-up time. Low sample flow rate. Individual alarm limits for each parameter. Automatic zero calibration. Respiratory rate derived from CO2 waveform. Disposable, reusable water trap.