SUPMEA SUP-LDG - Page 41

Chapter 6 Operation
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Flow volume is regarded as zero if it is below the setting value Zero
means not removing.
1-5
Flow
direction
Option
User
Positive,
Negative
Positive
Used to change the direction of flow, when negative pole and positive
pole signal cable are reversely connected, or the sensor is reversely
installed, activate this function.
1-6
Mode
selection
Option
User
Positive,
Negative
bidirection
Set the direction of the flow measurement. Positive direction only
measures forward direction measurement flow, negative direction only
measures the reverse flow; bidirection indicates two-way flow
measurement.
1-7
Spike
suppressor
permission
Option
User
Y, N
N
Indicate whether to enable peak inhibition function, used for filtering
interference signals.
When it’s set to be N, 1-8, 1-9 configuration screens do not display.
When the range of signal pulse is greater than parameters set in1-8 and
lasts for a duration less than that set in 1-9, the system will consider it as
interference signal and will not display and measure .
1-8
Peak
inhibition
coefficient
Figure
User
0.01-0.8m/s
0.8
The peak amplitude (not shown when peak inhibition allows
configuration closing )
1-9
Peak
inhibition
time
Option
User
0-3s
1
The peak amplitude (not shown when peak inhibition allows
configuration
closing )
1-10
Flow
correction
permission
Option
Manufacturer
Y, N
N
Indicates whether start using flow nonlinear correction function.
In principle, used for small flow rate (less than 0.5 m/s) linear