Yokogawa EJX930A - Manual (Page 113)

<7. Operation of EJXMVTool> 7-20
IM 01C25R51-01E
Table 7.12 Symbol
#
Symbol Description
1 Qm Mass Flow
2 Qv Volume Flow
3 Qv_norm Normal·Standard Volume Flow
4 Nc Unit convert factor
5 Kfactor Basic flow Calculation factor
6 C Discharge Coefficient
7 ε Expansion Factor
8 β Diameter Ratio
9 d Diameter of orifice
10 ∆p Differential Pressure
(Transmitter Setting unit)
11 ρb Base Density on Tb, SPb Condition
12 ρnorm Density on Normal, Standard condition
13 Tb Reference temperature unit: K
14 T Temperature unit: K
15 SPb Reference static pressure unit: kPa abs
16 SP Static Pressure unit: kPa abs
17 Temp K1 The density rate of change per temperature 1degC of a density base value
(value which set 100% to 1)
For volume flow: set 0.
18 K Compressibility factor
(2) Liquid
Figure 7.20 Basic Mode Setup for Liquid
• Input Reference Temperature (Tb), Kfactor, Temp K1
• Input Reference static pressure to 0. (This factor is used for gas)
NOTE
Reter to IM01C25R01-01E for the calculation of these flow factors.