Spirit flow-x, Справочник по функциям

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Flow-X─ Function Reference
4-285
Flow-X General functions - fxSolartron_Gas_M
correction is enabled and the
G value method is 'Use input G
value'
Specific gravity Value will be used when VOS
correction is enabled and the
G value method is 'Use ratio of
inputs' - SG 0..2 0
Ratio of specific
heats Value will be used when VOS
correction is enabled and the
G value method is 'Use ratio of
inputs' - CP_CV 0..10 0
Function outputs Remark EU SW tag Alarm Fallback
Status 0: Normal
1: Input argument out of
range
2: Calculation error STS
FIOOR
CALCERR
Corrected density Density corrected for
temperature and VOS kg/m3 CORDENS 0
Density corrected for
temperature Density corrected for
temperature kg/m3 TCORDENS 0
Uncorrected density Uncorrected (indicated
density kg/m3 UNCDENS 0
Calculations
The uncorrected density ρ
i
is calculated by
2
2 1 0
  
    
K K K
i
Where:
ρ
i
The uncorrected density kg/m3
K0 Obtained from the calibration certificate -
K1 Obtained from the calibration certificate -
K2 Obtained from the calibration certificate -
τ The time period in µs

s
The temperature corrected density ρt is calculated by
 
 
 
R R i t
t t K t t K
       
19 18 1
 
Where:
ρ
t
The density corrected for temperature kg/m3
K18 Obtained from the calibration certificate -
K19 Obtained from the calibration certificate -
t The line temperature °C
t
R
The reference temperature °C
The density value corrected for Velocity of Sound is calculated as follows: