100/180 mm PAPERLESS GRAPHIC RECORDER: USER GUIDE
User Guide
Page 117
HA028910
Issue 13 Sep 16
4.3.11 FUNCTION (Cont.)
ROOT MASS FLOW (Cont.)
CONFIGURABLE PARAMETERS
Figure 4.3.11e shows the relevant part of the confi guration menu for a maths channel with ‘Root Mass
Flow’ function selected.
Figure 4.3.11e Root mass fl ow menu
Delta Pressure
Allows the input channel measuring the differential pressure output from the orifi ce
plate to be entered
Temperature
Allows the input channel measuring the fl uid temperature (Kelvins) at the upstream
tapping to be entered
Absolute Pressure Allows the input channel measuring the absolute gas pressure (kPa(A)) to be entered
Scale o/p
Full scale output from the fl owmeter in fl owmeter units (S)
Ma
Full scale input range set for ‘Flow’ channel in fl owmeter units (mamax)
Gas Constant
The relevant gas constant in J/kg-K
Z
The compressibility factor described above.
Function
Delta Pressure
Temperature
Absolute Pressure
Scale o/p
Ma
Gas Constant
Z
Units
Maths Number
Value
Units
J/kg-K
Apply Discard
Root Mass Flow
0
0
0
0
Channel 1
Units
1) Math 1
123.4567
Channel 2
Channel 3