ABB SensyMaster FMT430 - Page 108

108 SensyMaster FMT430, FMT450 THERMAL MASS FLOWMETER | OI/FMT430/450-EN REV. B
… 9 Operation
… Parameter descriptions
Menu / parameter
Description
Device Setup / ...Application 1 /
...A1...Temp. meas.
...
Device Setup / ...Application 8 / ...A8...Temp. meas.
Tm Max
Set the maximum measuring medium temperature.
Tm Min
Set the minimum measuring medium temperature.
Damping Tm
Select the damping for temperature measurement.
The value set here relates to 1 τ (Tau). The data refers to the response time for an abrupt change in temperature. It affects
the instantaneous value in the display and at
the current output.
Default setting: 0.2 seconds
Device Setup / ...Application 1 /
...A1...Pipe type
...
Device Setup / ...Application 8 /
...A8...Pipe type
Shape and probe pos.
Select the piping form and sensor position.
•
A: Circular centric
•
B: Circular
• C: Rectangular
Inside diameter
Set the inside diameter of the piping.
Visible only when A and B selected.
Duct inner height
Set the inside height of the channel with rectangular cross
-section.
Visible only when C selected.
Insertion
depth
Set the insertion depth of the sensor.
Visible only when B and C selected.
Duct inner width
Set the inside width of the channel with rectangular cross
-section.
Visible only when C selected.
Device Setup / ...Application 1 /
...A1...Gas data
...
Device Setup / ...Application 8 / ...A8...Gas data
Mean Operating Temp.
Set the average measuring medium temperature.
Mean Operating Press
Set the average measuring medium pressure.
Gas Type 1
...
Gas Type 10
Select gas type for gas components 1
to 10 of a gas mix.
See table
Available gas types on page 97.
Concentr. Gas Type 1
...
Concentr.Gas Type 10
Set concentration in % for gas component
s 1 to 10 of a gas mix.
Device Setup / ...Application 1 /
...A1...Field Optim.
...
Device Setup / ...Application 8 /
...A8...Field Optim.
Offset Qm
Offset correction of the flow rate measured value.
Causes a parallel shift of the application.
Corr.Factor Qm
Correction factor for the flow measured value.
Causes a change in gradient over the measuring range of an application.