US1 Units

US1 units are used for gas flow runs. The Units column shows the measurement units. The Realflo Display column shows how these units are displayed on the screen and in printed reports.

Parameters and Values Units Realflo Display
Pipe and Orifice Diameters inches inches
Static, Base and Atmospheric Pressure psi psi
Differential Pressure psi psi
Flowing and Base Temperature °F °F
Viscosity centipoise centipoise
Density lbm/ft3 lbm/ft3
Mass lbm lbm
Mass Flow Rate lbm/hr lbm/hr
Volume ft3 ft3
Volume Flow Rate ft3/hr ft3/hr
Heating Value BTU(60)/ft3 BTU/ft3
Energy BTU(60) BTU
Energy Flow Rate BTU(60)/hr BTU/hr
Flow Extension (Method 1) kg/m2s kg/m2s
Turbine Rate (volume) pulses/ft3 pulses/ft3
Turbine Rate (mass) pulses/lb pulses/lb
Altitude feet feet

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Geo SCADA Expert 2020