SUPERtrol II Flow Computer10711. Glossary of TermsAccess CodeA numeric password which is entered by a user attempting to gain entry to change setup parameters.AGA-3A empirical flow equation applicable to orifice and several other square law flowmeters.AGA-5A gas flow equation for computing the combustion heat flow from measured volume flow, temperature and pressure as well asstored gas properties.AGA-7A gas flow equation for pulse producing, volumetric flowmeters which computes the equivalent flow at reference conditionsfrom the measurements made at flowing line conditions.Assign UsageA menu selection during the setup of the instrument which selects the intended usage for the input/output.Barometric PressureAn entry of the average, local atmospheric pressure at the altitude or elevation of the installation. (typically 14.696 psia)BetaA important geometric ratio for a square law flowmeters.CalibrationAn order sequence of adjustments which must be performed in order for the equipment to operate properly.Calibration TemperatureThe temperature at which a flow sensor was calibrated on a test fluid.Combustion HeatThe energy released by a fluid fuel during combustion .DefaultA value to be assumed for manual inputs or in the event of a failure in a input sensor.Display DampingAn averaging filter constant used to smooth out display bounce.DP FactorA scaling constant for a square law flowmeter.Error LogA historical record which captures errors which have occurred.Flow EquationA recognized relationship between the process parameters for flow, temperature, pressure and density used in flowmeasurements.Galvanic IsolationInput and or output functions which do not share a conductive ground or common connection between them.Gas Cor. Vol Eq.An equation where the corrected volume flow of gas at STP is computer from measured volume flow, temperature andpressure as well as stored gas properties.Gas Comb. Heat Eq.An equation where the combustion heat flow of gas is computer from measured volume flow, temperature and pressure aswell as stored gas properties.Gas Mass Eq.An equation where the mass flow of gas is computer from measured volume flow, temperature and pressure as well as storedgas properties.Flowing Z-FactorThe mean Z-Factor under flowing conditions of temperature and pressure for a specific gas.