Thermo Scientific Sarasota SG901, User Manual

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Equations
E-2
Sarasota SG901 User Guide Thermo Fisher Scientific
If P = 0 or d'
0
or d'
0
< 0.8D0, then d'
0
= D0.
On first cycle, d'
0
= D0.
ρ
m
= measured line density in kg/m
3
[lb/ft
3
]
T0 = calibration constant of spool in
µ
sec
t'
0
= corrected calibration constant of spool in
µ
sec
D0 = calibration constant of spool in kg/m
3
[lb/ft
3
]
d'
0
= VOS corrected calibration constant of spool in kg/m
3
[lb/ft
3
]
K = calibration constant of spool in kg/m
3
/°C [lb/ft
3
/°F]
TEMPCO = temperature coefficient of spool in
µ
sec/°C [
µ
sec/°F]
PRESCO = pressure coefficient of the transducer in
µ
sec/bar [
µ
sec/psi]
VIBDIM = characteristics of vibrating element in mm (in)
ISENEX = isentropic exponent of gas
t = measured period in
µ
sec
T = measured/fixed line temperature in K [°R]
T
cal
= calibration temperature of densitometer, 288.15K [519.67°R]
P = measured/fixed line pressure in bar A [psi A]
P
cal
= calibration pressure of densitometer, 1.01325 bar A [14.696
psi A]
L = speed of sound factor, 100000 pa/bar (4633.05567 lbdw/ft
2
/psi)
R = VOS correction to density 1000 (10
6
/12).