M.W./ Gamma Step 1: Select device type for sizing   Thermal Mass Flow Pressure Control Coriolis Mass Flow Device Type Phase Inlet Pressure Operating Temp Fluid Name psi psf atm mmH2O inH2O ftH2O mmHg inHg mbar bar kPa kg/cm2 kg/m2 MPa °F °C °R °K Unknown Gas Gas Mixture 1,2,2-TRICHLORO-1,1,2-TRIFLUOROETHANE 1,2-DIBROMOTETRAFLUOROETHANE 1,2-DICHLORO-1,1,2,2-TETRAFLUOROETHANE 1-CHLORO-1,1-DIFLUOROETHANE 2-BROMO-2-CHLORO-1,1,1-TRIFLUOROETHANE 3,4-DICHLOROBUT-1-ENE ACETYLENE AIR AMMONIA ARGON ARSINE BORON TRICHLORIDE BORON TRIFLUORIDE Bromine Pentafluoride Bromine Trifluoride Bromotrifluoroethylene BUT-1-YNE BUTANE CARBON DIOXIDE CARBON DISULPHIDE CARBON MONOXIDE CARBON TETRACHLORIDE CARBON TETRAFLUORIDE Carbonyl Fluoride CARBONYL SULPHIDE CHLORINE Chlorine Dioxide Chlorine Trifluoride CHLORODIFLUOROMETHANE CHLOROETHANE CHLOROFORM CHLOROPENTAFLUOROETHANE CHLOROTRIFLUOROETHYLENE CHLOROTRIFLUOROMETHANE cis-BUT-2-ENE CYANOGEN Cyanogen Chloride CYCLOBUTANE CYCLOPROPANE DEUTERIUM (NORMAL) DIBORANE DIBROMODIFLUOROMETHANE DICHLORODIFLUOROMETHANE DICHLOROFLUOROMETHANE DICHLOROSILANE DIFLUOROMETHANE DIMETHYLAMINE Disilane ETHANE ETHANOL ETHYLENE ETHYLENE OXIDE FLUORINE FLUOROFORM GERMANIUM HYDRIDE Germanium Tetrachloride HELIUM-4 Hexafluoropropylene (HFP) Hexamethyldisilane (HMDS) HYDROGEN (NORMAL) HYDROGEN CHLORIDE Hydrogen Selenide HYDROGEN SULPHIDE Iodine Pentafluoride KRYPTON METHANE METHANOL Methyl Silane Methyl Trichlorosilane (MTS) Methyl Vinyl Ether Monoethylamine (CH3CH2NH2) NEON Nickel Carbonyl NITRIC OXIDE NITROGEN Nitrogen Trifluoride Nitrogen Trioxide Nitrosyl Chloride NITROUS OXIDE OXYGEN OZONE PENTAFLUOROETHANE Perchloryl Fluoride Perfluoro-2-Butene PERFLUOROETHANE PERFLUOROETHYLENE Perfluoromethyl-vinylether PMVE PHOSPHINE Phosphorous Pentafluoride Phosphorous Trifluoride PROP-2-ENE-1-OL PROPADIENE PROPANE PROPENE Rhenium Hexafluoride SILANE SILICON TETRACHLORIDE Silicon Tetrafluoride Sulfur Tetrafluoride Sulfuryl Fluoride SULPHUR DIOXIDE SULPHUR HEXAFLUORIDE Tetrafluorohydrazine TETRAMETHYLSILANE TRICHLOROFLUOROMETHANE Trimethyloxyborane (TMB) Tungsten Hexafluoride WATER XENON cP Poise lb·s/ft2 N·s/m2 mPa·s Pa·s cSt St ft2/s m2/s mm2/s SSU Viscosity M.W. S.G. lb/in3 lb/ft3 lb/gal GM/CC kg/m3 kg/dm3 Density Mass Flow Web Sizing App v4.5 Step 2: Determine fluid properties Sat T Sat P   Outlet Pressure abs gauge psi psf atm mmH2O inH2O ftH2O mmHg inHg mbar bar kPa kg/cm2 kg/m2 MPa Specific Heat J/g·°K kJ/kg·°K cal/g·°K Btu/lbm·°F Saturation Pres    abs gauge Use pressure and temperature dependent sensor factor