Yokogawa 415 Steam and Gas - Manual (Page 5)

List of Symbols Used in this Manual
Symbol Description SI Units US Units
A Normalised signal from the
flowmeter which will be 0 at 4mA
and 1 at 20mA.
G Specific Gravity for Gas.
h
B
Specific Enthalpy at Reference
Conditions. kJ/kg kJ/kg
h
F
Specific Enthalpy at Flow
Conditions. kJ/kg kJ/kg
K
F
K-factor (pulses/unit) for a
frequency flowmeter. pulses/m 3 pulses/ft 3
N Timebase Constant with which the
flowrate is displayed and is:
1 for units/second
60 for units/minute
3600 for units/hour
86400 for units/day
ρ
B
Density at base conditions. kg/m 3 lbs/ft 3
ρ
F
Density at flow conditions. kg/m 3 lbs/ft 3
P
B
Pressure at base conditions. kPa (abs) psia
P
C
Critical pressure of gas. kPa (abs) psia