... normal operation or alarm state. 2. Program Control a. The carrier gas and reaction gas in the process of test, and whether to ... temperature, avoid overheating) Pressure of Reaction Gas: 0-10MPa Gas Control Carrier Gas: N2, Ar, He, H2 Reaction Gas: H2, NH3, CO, N2O, O2 ... Gasaccess: 3 roads for carrier gas and 3 roads for reaction gas Flow Control: Mass Flow Controller (MFC) Flow Range: 0 ...