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Flow-X─ Function Reference
4-161
Flow-X General functions - fxAPI_Table59E
fxAPI_Table59E
Description
Density (T) --> Density (20°C)
This function converts the density value at the observed temperature to the corresponding density at
20°C.
The temperature correction is according to API MPMS 11.2.4:2007 (GPA TP-27).
Compliance

API MPMS 11.2.4: Temperature Correction for the Volume of NGL and LPG Tables 23E, 24E,
53E, 54E, 59E & 60E, September 2007

GPA TP-27: Temperature Correction for the Volume of NGL and LPG Tables 23E, 24E, 53E,
54E, 59E & 60E, September 2007
Function inputs Remark EU SW tag Range Default
Name
Optional tag name, tag
description and tag group
Observed density Density at the observed
temperature kg/m3 0..750 0
Observed
temperature Temperature at which the
relative density is
observed °C -100..200 20
API rounding 0: Disabled
The calculations are
performed with full
precision and the
output values are not
rounded
1: Enabled
The input and output
values are rounded as
defined in the
standard
APIROUND 0
Function
outputs Remark EU SW tag Alarm Fallback
Status 0: Normal
1: Input argument out of range
2: Calculation error
3: No convergence - STS
FIOOR
CALCERR
NOCONV
Density at 20°C DENS20 0
CTL Volume correction factor for
temperature. - CTL 1
Calculation out
of range With respect to the standard the
input values are:
0: In Range
1: Out of Range - OOR 0
Calculations
The calculations are in either full or partial compliance with the standard, depending on the selected
type of API rounding.