Electronics Verification
March 2016
Reference Manual
00809-0100-4772, Rev FA
158
Electronics Verification
Example 2
In this application, an input frequency of 400 Hz represents a flow rate of 19,271.2 lb/h.
Given
M = mass flow rate
F = frequency: 400 Hz
K = K-factor (compensated): 10.678 (via fieldbus configuration tool)
C
x
= C
17
C
17
= C
13
/ρ (from Table C-1 on page 156)
ρ = density: 1.078 lb/ft
3
Other conditions
Fluid = saturated steam
Line size = 3 in.
Line pressure = 500 psia
Operating temperature = 467 °F
Viscosity = 0.017 cP
Equation
Calculations
M
400
10.678 C
17
×
----------------------------
=
M
400
10.678 C
13
ρ
⁄()×
---------------------------------------
=
M
400
10.678 0.00207792 1.078⁄()×
---------------------------------------------------------------
=
M
400
10.678 0.0019276
×
-----------------------------------------
=
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