Yokogawa 415 Steam and Gas - Manual (Page 7)

Symbol Description SI Units US Units
S
VB
Span (Volumetric Flowrate at
20mA) and at base conditions. m 3 /day
m 3 /hr
m 3 /min
m 3 /sec
ft 3 /day
ft 3 /hr
ft 3 /min
ft 3 /sec
T
B
Temperature at base conditions. °K
(Kelvin)
°R
(Rankin)
T
C
Critical temperature of gas. °K °R
T
F
Temperature at flow conditions. °K °R
ν
B
Specific Weight of Steam at
Reference Conditions. dm 3 /kg dm 3 /kg
ν
F
Specific Weight of Steam at Flow
Conditions. dm 3 /kg dm 3 /kg
Z
b
Compressibility at base conditions.
Z
F
Compressibility at flow conditions.